US3156210A - Planking construction for boats and the like - Google Patents

Planking construction for boats and the like Download PDF

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US3156210A
US3156210A US159967A US15996761A US3156210A US 3156210 A US3156210 A US 3156210A US 159967 A US159967 A US 159967A US 15996761 A US15996761 A US 15996761A US 3156210 A US3156210 A US 3156210A
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planks
plank
channel
edge portion
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Lyman R Lyon
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/16—Shells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49888—Subsequently coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49954—Fastener deformed after application
    • Y10T29/49956—Riveting
    • Y10T29/49957—At least one part nonmetallic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49972—Method of mechanical manufacture with separating, localizing, or eliminating of as-cast defects from a metal casting [e.g., anti-pipe]

Definitions

  • the present invention is directed to a novel extruded aluminum planking construction that is relatively easy to assemble and seal and is inherently impervious to the forms of deterioration characteristic of wood and plastic hulls.
  • the planks transmit lateral stress to one another independently of the vector of the stress and are rotatable relative to one another so that any desired hull configuration can be planked.
  • the herein disclosed planking construction is adaptable for use with developable, non-developable, lapstrake or conventional smooth hull constructions.
  • one object of the present invention is an improved boat construction.
  • Another object is a hull construction for a boat that is impervious to deterioration.
  • Another object is a planked aluminum hull construction.
  • Another object is a planked aluminum hull construction that is relatively easily assembled.
  • Another object is a planked aluminum hull construction that is relatively easily sealed.
  • Another object is a planked aluminum hull construction wherein stress is transmitted laterally between adjacent planks.
  • Another object is a planked aluminum hull construction wherein the planks are rotatable relative to one another about an axis extending between and generally parallel to the planks.
  • FIGURE 1 is a front view of the boat hull utilizing the 1 planked aluminum construction of the instant invention
  • FIG. 2 is a cross-sectional view taken substantially within the circle 2 of FIGURE 1;
  • FIG. 3 is a fragmentary cross-sectional view of the interlocking edge portions of a pair of planks at an initial stage of assembly
  • FIG. 4 is a cross-sectional view similar to FIGURE 3 showing the planks at an intermediate stage of assembly.
  • FIG. 5 is a cross-sectional view similar to FIGURE 4 a planks 24 having like upper edge portions 26 and like lower edge portions 28, respectively.
  • the upper and lower edge portions 26, 28 of the planks 24 are interlocked with one another to form a relatively rotatable, easily scalable, stress transmitting junction, as will be described.
  • each plank 24 is of generally circular cross-sectional configuration defined by a pair of generally arcuate lips 30 and 32 acceptable in a complementary circular channel portion 34 in the lower edge 28 of the next adjacent plank 24.
  • the circular channel 34 in the lower edge 23 of each plank 24 is defined by a circular finger portion 36, a lower end 38 of which is accepted between the arcuate lower lip 32 and a generally concentrically and radially spaced locking projection 40 on the upper edge portion 26 ot' the plank 24.
  • each plank 24 has a central longitudinally extending recess 42 between the lips 30 and 32 thereof that communicates with the channel 34 in the lower edge portion 28 of the next adjacent plank 24 for the acceptance of a sealing compound 44, for example, a Thiokol based sealant.
  • the sealing compound 44 is injected longitudinally of the channel 34 and recess 42 as by a pressure applicator (not shown).
  • the sealing compound 44 may be injected through apertures drilled laterally through the finger portion 36 of the lower edge 21$ of each plank 24.
  • a blind rivet 46 can be driven through an aperture and a complementary aperture 48 in a rib 50 thereby to rigidly hold the assembled planks 24 against the rib 50.
  • each plank 24 is engaged with a downwardly depending generally pointed edge portion 52 on the lower edge 28 of the next adjacent plank 24-, the lower lip 32 engaging the terminal end portion 33 of the finger 36 on the lower edge 23 of the next adjacent plank 24.
  • the locking portion 40 on the upper edge 26 of each plank 24 serves to pin the end portion 38 of the finger as on the next adjacent plank 24 against the lower lip 32 on the upper edge 25 thereby precluding bending or distortion under load.
  • the sealing compound 44 extends between sealing surfaces within the channel 34 and recess 42 in the lower and upper ends 28 and 26, respectively, of each plank 24.
  • the sealant 44 is disposed on the outboard side of all possible passages between the planks 24.
  • no through-the hull apertures are required to be sealed to effect sealing between adjacent planks 24.
  • the hull 22 is assembled by first placing the upper lip 30 of one plank as into the circular channel 34 of a next adjacent plank 24.
  • the planks 2 are then rotated relative to one another, the lowermost plank, as seen in FIGURE 3 of the drawing, rocking about the point 52 on the edge port-ion 23 of the upper plank 24.
  • the planks 24 are rotated relative to one another until the lower lip 32 of the lowermost plank 24 snaps past the terminal end portion 38 of the finger 36 of the uppermost plank 24.
  • Therethe two 'mo-st plank 24 and a desired angular orientation is effected corresponding to a desired hull contour.
  • the sealant id is then injected longitudinally of the channel Maud recess 42 to effect a seal therebetween. In this manner a stress transmitting, water-tight junction is obtained between adjacent planks 24.
  • planks 24 may be inverted if desired.
  • a planking construction for a boat hull comprising a plurality of elongated aluminum planks, one of said planks having a longitudinally extending edge portion with a generally circular channel therein, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be rotatably acceptable therein in directly engaged universal lateral stress transmitting relationship, said planks being rotatable relative to one another and said stress-transmitting relationship being maintained upon such rotation, the periphery of the circular edge portion on said another being relieved to facilitate assembly of said planks and whereby the juncture of the edge portions of said planks defines a closed longitudinal-1y extending recess between and communicating with the edge portions of each said planks, and means in said channel communicating with the edge portions of said planks for effecting a seal therebetween.
  • a planking construction for a boat hull comprising a plurality of elongated aluminum planks, one of said planks having a longitudinally extending edge portion with a channel therein of circular cross section, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be acceptable therein in directly engaged universal lateral stress transmitting relationship, the juncture of the edge portion of said planks defining a closed longitudinally extending recess between and communicating with each of the edge portions of said planks, respectively, and a sealing compound in said channel communicating with the edge portions of said planks, respectively, to effect a seal therebetween.
  • a planking construction for a boat hull comprising a plurality of elongated aluminum planks, one of said planks having a longitudinally extending edge portion with a channel therein of circular cross section, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be acceptable therein, the circular edge portion on said another plank being defined by a pair of oppositely directed circumferentially extending lips, said planks being directly engageable and rotatable with respect to one another about the central axis of the channel in the edge portion of said one plank, the juncture of the edge portion of said planks defining a longitudinally extending recess between and communicating with each of the edge portions of said planks, respectively, and a sealing compound in said channel communicating with the edge portions of said planks, respectively, to effect a seal therebetween.
  • a planking construction for a beat hull comprising a plurality of elongated aluminum planks having a generally planar outer surface, one of said planks having a longitudinally extending edge portion with a channel of circular cross section, the periphery of the channel being generally tangentially related to the planar outer surface of the plank, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be acceptable therein in intimate universal lateral stress transmitting relationship, the circular edge portion of said another plank being generally tangentially related to the planar outer surface thereof, the circular cross section of said another plank being relieved at a point diametrically related to the planar surface thereof to facilitate asembly and whereby the edge portions of said planks define a closed longitudinally extending recess between and communicating with each of the edge portions of said planks, respectively, said planks being rotatable relative to one another in the assembled condition to orientate the outer planar surfaces thereof at a
  • a planking construction for a boat hull comprising a pair of elongated extruded planks having generally fiat outer surfaces, respectively, one of said planks having a substantially tangentially related arcuate longitudinally extending finger along one edge thereof defining a channel of circular transverse cross section, the other of said planks having a longitudinally extending edge portion of circular cross section generally tangentially related to the outer surface thereof and complementary to the channel in said one plank so as to be acceptable therein in closely interlocked lateral stress transmitting relation, the finger on said one plank being interrupted for the accep tance of the circular edge portion of said other plank, the circular edge portion of said other plank being radially inwardly relieved generally diametrically opposed to the outer surface thereof to facilitate assembly of said planks, said planks being rotatable with respect to one another about the central axis of the channel in the edge portion of said one plank when in the assembled condition, said other plank having a locking projection extending generally concentrically

Description

Nov. 10, 1964 Filed Dec. 18. 1961 INVENTOR. 4 271471 K aw United States Patent 3,156,216 PLANKING (IGNSTRUCTTGN FOR BOATS AND TEE LIKE Lyman R. Lyon, 1731 llassett Road, Royal Gait, Mitliil. Filed Dec. 13, 1961, Ser. No. 159,%7 8 Claims. (Cl. 114-84) This invention relates generally to boats, and more particularly to a novel aluminum planking construction for boat hulls.
The relatively high cost of manufacturing and maintaining planked wooden boats has created a need for a boat construction that eliminates these problems. Various plastic boat constructions have been proposed to solve this problem and to some extent do reduce maintenance problems. However, such plastic boats, at the present state of art, are subject to cracking, checking and surface deterioration and have proved to be generally unsatis factory in some environments.
The present invention is directed to a novel extruded aluminum planking construction that is relatively easy to assemble and seal and is inherently impervious to the forms of deterioration characteristic of wood and plastic hulls. The planks transmit lateral stress to one another independently of the vector of the stress and are rotatable relative to one another so that any desired hull configuration can be planked. The herein disclosed planking construction is adaptable for use with developable, non-developable, lapstrake or conventional smooth hull constructions.
Accordingly, one object of the present invention is an improved boat construction.
Another object is a hull construction for a boat that is impervious to deterioration.
Another object is a planked aluminum hull construction.
Another object is a planked aluminum hull construction that is relatively easily assembled.
Another object is a planked aluminum hull construction that is relatively easily sealed.
Another object is a planked aluminum hull construction wherein stress is transmitted laterally between adjacent planks.
Another object is a planked aluminum hull construction wherein the planks are rotatable relative to one another about an axis extending between and generally parallel to the planks.
Other objects and advantages of the present invention will be apparent from the following specification, claims anddrawings wherein:
FIGURE 1 is a front view of the boat hull utilizing the 1 planked aluminum construction of the instant invention; FIG. 2 is a cross-sectional view taken substantially within the circle 2 of FIGURE 1;
FIG. 3 is a fragmentary cross-sectional view of the interlocking edge portions of a pair of planks at an initial stage of assembly;
FIG. 4 is a cross-sectional view similar to FIGURE 3 showing the planks at an intermediate stage of assembly; and
FIG. 5 is a cross-sectional view similar to FIGURE 4 a planks 24 having like upper edge portions 26 and like lower edge portions 28, respectively. The upper and lower edge portions 26, 28 of the planks 24 are interlocked with one another to form a relatively rotatable, easily scalable, stress transmitting junction, as will be described.
The upper edge portion 26 of each plank 24 is of generally circular cross-sectional configuration defined by a pair of generally arcuate lips 30 and 32 acceptable in a complementary circular channel portion 34 in the lower edge 28 of the next adjacent plank 24. The circular channel 34 in the lower edge 23 of each plank 24 is defined by a circular finger portion 36, a lower end 38 of which is accepted between the arcuate lower lip 32 and a generally concentrically and radially spaced locking projection 40 on the upper edge portion 26 ot' the plank 24. The upper edge portion 26 of each plank 24 has a central longitudinally extending recess 42 between the lips 30 and 32 thereof that communicates with the channel 34 in the lower edge portion 28 of the next adjacent plank 24 for the acceptance of a sealing compound 44, for example, a Thiokol based sealant. The sealing compound 44 is injected longitudinally of the channel 34 and recess 42 as by a pressure applicator (not shown). Alternatively, the sealing compound 44 may be injected through apertures drilled laterally through the finger portion 36 of the lower edge 21$ of each plank 24. If desired, a blind rivet 46 can be driven through an aperture and a complementary aperture 48 in a rib 50 thereby to rigidly hold the assembled planks 24 against the rib 50. It is to be noted that the upper lip 3% on the edge 26 of each plank 24 is engaged with a downwardly depending generally pointed edge portion 52 on the lower edge 28 of the next adjacent plank 24-, the lower lip 32 engaging the terminal end portion 33 of the finger 36 on the lower edge 23 of the next adjacent plank 24. Thus, after assembly of. the planks 24 the junction therebetween is capable of transmitting lateral stress along any vector. The locking portion 40 on the upper edge 26 of each plank 24 serves to pin the end portion 38 of the finger as on the next adjacent plank 24 against the lower lip 32 on the upper edge 25 thereby precluding bending or distortion under load.
' It is also to be noted that the sealing compound 44 extends between sealing surfaces within the channel 34 and recess 42 in the lower and upper ends 28 and 26, respectively, of each plank 24. In other words, the sealant 44 is disposed on the outboard side of all possible passages between the planks 24. Thus, no through-the hull apertures are required to be sealed to effect sealing between adjacent planks 24. Further, there are no pressure-sealed surfaces to be parted upon working of the boat hull.
As best seen in FiGURES 3, 4 and 5 the hull 22 is assembled by first placing the upper lip 30 of one plank as into the circular channel 34 of a next adjacent plank 24. The planks 2 are then rotated relative to one another, the lowermost plank, as seen in FIGURE 3 of the drawing, rocking about the point 52 on the edge port-ion 23 of the upper plank 24. The planks 24 are rotated relative to one another until the lower lip 32 of the lowermost plank 24 snaps past the terminal end portion 38 of the finger 36 of the uppermost plank 24. Therethe two 'mo-st plank 24 and a desired angular orientation is effected corresponding to a desired hull contour. The sealant id is then injected longitudinally of the channel Maud recess 42 to effect a seal therebetween. In this manner a stress transmitting, water-tight junction is obtained between adjacent planks 24.
It is to be understood that the terms upper and lower are for the purpose of description only and that the planks 24 may be inverted if desired.
It is to be understood that the specific construction of the improved planking construction for boats and the like herein disclosed and described is presented for the purpose of explanation and illustration and is not intended to indicate limits of the invention, the scope of which is defined by the fol-lowing claims.
What is claimed is:
1. A planking construction for a boat hull comprising a plurality of elongated aluminum planks, one of said planks having a longitudinally extending edge portion with a generally circular channel therein, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be rotatably acceptable therein in directly engaged universal lateral stress transmitting relationship, said planks being rotatable relative to one another and said stress-transmitting relationship being maintained upon such rotation, the periphery of the circular edge portion on said another being relieved to facilitate assembly of said planks and whereby the juncture of the edge portions of said planks defines a closed longitudinal-1y extending recess between and communicating with the edge portions of each said planks, and means in said channel communicating with the edge portions of said planks for effecting a seal therebetween.
2. A planking construction for a boat hull comprising a plurality of elongated aluminum planks, one of said planks having a longitudinally extending edge portion with a channel therein of circular cross section, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be acceptable therein in directly engaged universal lateral stress transmitting relationship, the juncture of the edge portion of said planks defining a closed longitudinally extending recess between and communicating with each of the edge portions of said planks, respectively, and a sealing compound in said channel communicating with the edge portions of said planks, respectively, to effect a seal therebetween.
3. A planking construction for a boat hull comprising a plurality of elongated aluminum planks, one of said planks having a longitudinally extending edge portion with a channel therein of circular cross section, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be acceptable therein, the circular edge portion on said another plank being defined by a pair of oppositely directed circumferentially extending lips, said planks being directly engageable and rotatable with respect to one another about the central axis of the channel in the edge portion of said one plank, the juncture of the edge portion of said planks defining a longitudinally extending recess between and communicating with each of the edge portions of said planks, respectively, and a sealing compound in said channel communicating with the edge portions of said planks, respectively, to effect a seal therebetween.
4. A planking construction for a beat hull comprising a plurality of elongated aluminum planks having a generally planar outer surface, one of said planks having a longitudinally extending edge portion with a channel of circular cross section, the periphery of the channel being generally tangentially related to the planar outer surface of the plank, another of said planks having a longitudinally extending edge portion of circular cross section complementary to the channel in said one plank so as to be acceptable therein in intimate universal lateral stress transmitting relationship, the circular edge portion of said another plank being generally tangentially related to the planar outer surface thereof, the circular cross section of said another plank being relieved at a point diametrically related to the planar surface thereof to facilitate asembly and whereby the edge portions of said planks define a closed longitudinally extending recess between and communicating with each of the edge portions of said planks, respectively, said planks being rotatable relative to one another in the assembled condition to orientate the outer planar surfaces thereof at a desired angular relationship, and means in said channel communicating with the edge portions of said planks, respectively, for effecting a seal therebetween.
5. A method of planking a boat hull with a plurality of elongated aluminum planks each having a longitudinally extending edge portion with a channel of generally circular cross section and an opposite longitudinally extending edge portion of generally circular cross section complementary to the channel, the opposite edge portions of said planks being defined by a pair of arcuate oppositely directed circumferentially extending lips having a recess therebetween, said method comprising the steps of inserting the one of the lips on the opposite edge portion of one of said planks into the channel portion of an adjacent plank, rotating said planks relative to one another about an axis extending generally parallel to said planks and spaced from the central axis of the circular channel in said adjacent plank to engage the other one of the lips on said one plank in the channel of said adjacent plank, and rotating said planks relative to one another about the central axis of the channel in said adjacent plank thereby to effect a stress transmitting junction between said planks.
6. A method of planking a boat hull with a pair of elongated extruded planks one of which has a longitudinally extending edge portion with an arcuate finger defining an interrupted channel of generally circular cross section and the other of which has a longitudinally extending edge portion of generally circular cross section complementary to the channel in said one plank, the edge portion of other plank having a locking projection extending concentrically to and radially spaced from the circular portion thereof, said method comprising the steps of inserting one side of the circular edge portion of said other plank into the channel portion of said one plank, rotating said planks relative to one another about an axis extending generally parallel to said planks and spaced from the central axis of the circular channel in said one plank to engage the other side of the circular edge portion of said other plank in the channel of said one plank, rotating said blanks relative to one another about the central axis of the channel in said one plank, and engaging the finger on said oneplank between the circular edge portion and locking projection on said other plank.
7. A method of planking a boat hull with a pair of elongated extruded planks one of which has a longitudinally extending edge portion with an arcuate finger defining an interrupted channel of generally circular cross section and the other of which has a longitudinally extending edge portion of generally circular cross section complementary to the channel in said one plank, said planks having generally fiat outer surfaces, said method comprising, the steps of inserting one side of the circular edge portion of said other planks into the channel portion of said one plank with the flat surface thereof orientated at an angle of less than degrees, rotating said planks relative to one another about an axis extending generally parallel to said planks and spaced from the central axis of the circular channel in said one plank to engage the other side of the circular edge portion of said other plank in the channel of said one plank, and rotating said planks relative to one another about the central axis of the channel in said one plank.
8. A planking construction for a boat hull comprising a pair of elongated extruded planks having generally fiat outer surfaces, respectively, one of said planks having a substantially tangentially related arcuate longitudinally extending finger along one edge thereof defining a channel of circular transverse cross section, the other of said planks having a longitudinally extending edge portion of circular cross section generally tangentially related to the outer surface thereof and complementary to the channel in said one plank so as to be acceptable therein in closely interlocked lateral stress transmitting relation, the finger on said one plank being interrupted for the accep tance of the circular edge portion of said other plank, the circular edge portion of said other plank being radially inwardly relieved generally diametrically opposed to the outer surface thereof to facilitate assembly of said planks, said planks being rotatable with respect to one another about the central axis of the channel in the edge portion of said one plank when in the assembled condition, said other plank having a locking projection extending generally concentrically to and radially spaced from the circular edge portion thereof, the finger of said one plank being accepted between the locking projection and circular edge portion of said other plank in stress transmitting relation, the juncture of the edge portions of said planks defining a longitudinally extending channel between and communicating with the edge portions thereof, respectively, and sealing means in said channel communicating with the edge portions of said planks, respectively, for effecting a seal therebetween.
References Cited in the file of this patent UNITED STATES PATENTS 225,172 Smith Mar. 2, 1880 2,322,160 Schlagel June 15, 1943 2,572,623 Hoppenstand ct. 23, 1951 2,786,556 Constance Mar. 26, 1957 2,918,996 Brown Dec. 29, 1959 3,029,052 Early et a1. Apr. 10, 1962 3,093,847 Strecker June 18, 1963 FOREIGN PATENTS 113,476 Great Britain Feb. 20, 1918 1,016,004 Germany Sept. 19, 1957 615,818 Canada Mar. 7, 1961 615,819 Canada Mar. 7, 1961 615,820 Canada Mar. 7, 1961 616,268 Canada Mar. 14, 1961 616,693 Canada Mar. 21, 1961

Claims (1)

1. A PLANKING CONSTRUCTION FOR A BOAT HULL COMPRISING A PLURALITY OF ELONGATED ALUMINUM PLANKS, ONE OF SAID PLANKS HAVING A LONGITUDINALLY EXTENDING EDGE PORTION WITH A GENERALLY CIRCULAR CHANNEL THEREIN, ANOTHER OF SAID PLANKS HAVING A LONGITUDINALLY EXTENDING EDGE PORTION OF CIRCULAR CROSS SECTION COMPLEMENTARY TO THE CHANNEL IN SAID ONE PLANK SO AS TO BE ROTATABLY ACCEPTABLE THEREIN IN DIRECTLY ENGAGED UNIVERSAL LATERAL STRESS TRANSMITTING RELATIONSHIP, SAID PLANKS BEING ROTATABLE RELATIVE TO ONE ANOTHER AND SAID STRESS-TRANSMITTING RELATIONSHIP BEING MAINTAINED UPON SUCH ROTATION, THE PERIPHERY OF THE CIRCULAR EDGE PORTION ON SAID ANOTHER BEING RELIEVED TO FACILITATE ASSEMBLY OF SAID PLANKS AND WHEREBY THE JUNCTURE OF THE
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Cited By (16)

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US3992846A (en) * 1974-03-21 1976-11-23 Rohr Industries, Inc. Compound filled key interlock joint
US4004392A (en) * 1975-06-02 1977-01-25 Rohr Industries, Inc. Molded plastic key molded joint and method of forming same
US4031677A (en) * 1976-04-21 1977-06-28 Rhor Industries, Inc. Floor slab to side wall joint structure for transit vehicle
US4201024A (en) * 1977-01-17 1980-05-06 Lockheed Corporation Plastic/composite structural panel
US4211179A (en) * 1977-06-15 1980-07-08 Saunders Louie G Columnar structure
US4373304A (en) * 1980-03-18 1983-02-15 Howitt Ronald W Prefabricated building units
US4457249A (en) * 1980-07-11 1984-07-03 K B Weecan Marine Method of fabricating an integral shell formed body and the body formed thereby
US4532973A (en) * 1983-06-15 1985-08-06 Defalco Ralph Overhead door construction
US4552085A (en) * 1983-01-24 1985-11-12 Theodor Eder Planking assembly and method of making same
US4565146A (en) * 1980-10-13 1986-01-21 Austria Metall Ag Boat hull and method of making same
US4744320A (en) * 1987-02-12 1988-05-17 Johnston Daniel D Boat hull and method of fabrication
US5601130A (en) * 1994-05-18 1997-02-11 Werner Co. Shutter blade, assembly and method
US6058865A (en) * 1997-02-18 2000-05-09 Thibeault; Sylvio Extrusion-sections for boats
US20100163191A1 (en) * 2008-12-22 2010-07-01 Alex Homery Protective shutter assembly for a door or window
US20100236727A1 (en) * 2009-02-10 2010-09-23 Hall Christopher J Method and apparatus for reinforcing roll up, roll down shutters and doors using self-forming structural shapes
US10717472B2 (en) 2018-03-28 2020-07-21 Knapheide Manufacturing Company Extruded component floor structure

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