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Publication numberUS1628090 A
Publication typeGrant
Publication dateMay 10, 1927
Filing dateSep 26, 1924
Priority dateSep 26, 1924
Publication numberUS 1628090 A, US 1628090A, US-A-1628090, US1628090 A, US1628090A
InventorsJohannes Weiss
Original AssigneeJohannes Weiss
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Sound-insulating plate, sheet, or slab
US 1628090 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

May 10, 1927. I I J. wElss sown msum'rme PLATE, SHEET, on SLAB Patented -May 10, 1927.

UNITED STATES Jomimms warss, or LEIrzIe, GERMANY.

. SOUND-INSULATING PLATE, SHEET, ,OR SLAB.

I Application filed September 26, 1824; Serial No. 740,148.

It is a common practice' to use elastic sheets, slabs or plates in the foundat ons of machinery and engines, and also in buildings and so on, for the purpose of reducing vibration and insulating sound, various substances and fabrics being used for making such sheets, slabs or plates, for example felt,

cotton and woollen fabrics, cork, paper, peat,

rubber, feathers and so on'. Such sheets, may for example be placed between'a ma chine and the floor or foundation on which it stands, or may be placed under a bed or foundation plate.

lVith the methods. hitherto used it has been found that to obta n complete, or practically complete insulation of sound an absorption of vibration the sheets must be made of a thickness which in practice isgenerally quite out of the uestion.

According to my invention this difficulty is overcome by so constructing a sheet, slab or plate of elastic material, for the purpose stated, that the load bearing or resting thereon not only compresses the mater al, or POI: tions thereof, but imposes primarily a bending stress; that isto say the formation of the sheet is such that a load rest ng thereon does not merely tend to flatten it out, or condense the material but bends over certain portions of the sheet, which may be ribs, bosses, webs orthe like, as Wlll be explained hereinafter.

The invention is illustrated in the accompanying drawings, showing several examples.

Figs. 1 to 5 are cross sections, each showing one example embodying the novel feature and Figs. 6 to 9 are plan views showing other examples. I

Referring first to Fig. 1 it will be seen that there are parallel, inclined ribs a on the upper surface of the plate I) forming the body or base of the sheet. The sheet may be of rubber or any other elastic material or composition which lends itself to the making of a sheet of this kind, and 1s of adequate strength and durability for the purpose. dicate the manner in which the elastic ribs are bent over to one side by a load resting on the sheet.

Broken lines in the drawing 'in- According to Fi 2 the body or web 5 of the sheet has inc ined ribs (1 on its upper surface, and ribs inclined in the same direction on its under side.

In the modification shown in Fig. 3 the web I) has on its upper side ribs (1 inclined towards the right, and on itsunder side ribs (1 inclined towards the left.

The ribs are not necessarily in one piece with the web, and they need not be oi the same material as the web. In use, the load may rest directly upon the ribs, or a cover of wood, concrete, or any other suitable materlal may be interposed between the ribs and the load which the sheet is to hear. I

It will beapparent' that the bendin of the ribs by the load imposes on the. ri s a ben'dingstress which greatly impedes transmission or vibration. Of course the load,

acting on the web or body ofthe sheet throughthe ribs, also compresses the mater'al and the compressed material assists in absorbing or damping vibration, but the absorption of vibration by acompressed elastic body is very much less than the absorption by a body of the same material under bending stress, and I have found that a good insulatin effect is obtainable with plates of this kind of a thickness which would be practically useless .for insulating purposes with a plain, smooth plate.

In the modification shown in Fig. 4; the sheet 0? plate is built up of strips 0 and 0 of elastic material joined to each other side by side, the strips 0 alternating with the strips 0 and being wider than they, so that a series of parallel ribs is formed on the sheet. In shape this sheet is similar to that shown in Fig. 1, the only difference being that it is not made in one piece.

Accordin to Fig. 5 the sheet ismadeon the sheet. The channels may be straight.

or curved. In this modification the top and bottom surfaces of the sheet are smooth.

In the example shown in Fig. 6 the'ribs a) extend in straight lines parallel with two edges of the sheet, whereas in Fig. 7 the ribs a are zigzag.

In Fig. 8 inclined bosses a are-substituted for ribs.

to secure by Letters Patent of the United States is A slab or plate for the purpose'set forth comprising a sheet of elastic material and slab or ,plate an elastic members horizontally apart and each making onone side an acute angle with the plane of said on the opposite side an obtuse angle with said plane.

In witness whereof I specification.

J OHANNES WEISS.

joined to said sheet, spaced l0 have signed this 15

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2459121 *Sep 17, 1943Jan 11, 1949United States Gypsum CoAcoustical tile
US2534137 *Mar 25, 1946Dec 12, 1950M B Mfg Company IncVibration isolator pad
US2543963 *Oct 12, 1946Mar 6, 1951A P Smith Mfg CompanyGasketed joint
US2550918 *Sep 27, 1946May 1, 1951Sears Roebuck & CoEscalator rail guard
US2671522 *Mar 31, 1950Mar 9, 1954Charles BourgeoisSound-absorbing panel
US2700329 *May 18, 1946Jan 25, 1955Carter John EElastomeric strip for vertical pavement joints
US2779429 *Jul 17, 1953Jan 29, 1957Mazer Rosenberg EdnaSound absorbing structure
US2859486 *Aug 17, 1953Nov 11, 1958Rovich Danss DBuilding spacer
US2862255 *Dec 3, 1953Dec 2, 1958Nelson Sexton DFloor construction
US2920884 *Nov 4, 1955Jan 12, 1960Rockwell Standard CoLeaf spring insert
US2989087 *Dec 27, 1956Jun 20, 1961Higgins Edward FPlastic protector for externally threaded pipe ends
US2999431 *Oct 17, 1957Sep 12, 1961Robert L MitchellResilient mat construction
US3026224 *May 1, 1959Mar 20, 1962Fabreeka Products CoVibration absorbing pad
US3087570 *Mar 23, 1959Apr 30, 1963Bolt Beranek & NewmanPanel and the like of high acoustic transmission loss
US3107377 *Sep 18, 1959Oct 22, 1963Hamilton Kent Mfg CompanyBridge pad and its use
US3114940 *Apr 21, 1958Dec 24, 1963Howard E HigginbothamFloor pad
US3189279 *Sep 24, 1962Jun 15, 1965Kins Developments LtdMounting means for rails
US3235439 *Sep 7, 1961Feb 15, 1966Union Carbide CorpRibbed structural board
US4273213 *Nov 7, 1978Jun 16, 1981Erich MunzElement for sonic and vibratory absorption
US4463074 *Feb 9, 1983Jul 31, 1984Eastman Kodak CompanySupport with walls to interrupt radiation and form pattern of shadow and impingement
US5660426 *Nov 4, 1996Aug 26, 1997Toyota Jidosha Kabushiki KaishaStructure of absorbing impact energy using interior material of automobile
US5749787 *Jan 12, 1995May 12, 1998Werner A. JankFloor cover, especially sports field cover
US5762392 *Jul 10, 1996Jun 9, 1998Toyota Jidosha Kabushiki KaishaCollision energy absorbing structure by vehicle interior trim material
US5836641 *Apr 17, 1997Nov 17, 1998Toyota Jidosha Kabushiki KaishaStructure of absorbing impact energy using interior material of automobile
US7300032 *Jan 25, 2005Nov 27, 2007Atire Terchnologies, Inc.Vibration and noise abatement pad
DE2318649A1 *Apr 13, 1973Oct 31, 1974Rudolfwalter Dipl I SteinmeierLagerplatte fuer fugen in bauwerken
DE19824445A1 *May 30, 1998Dec 9, 1999Calenberg Ingenieure PlanmaesiElastomer plate as a support bed for brickwork and construction structures
DE19824445B4 *May 30, 1998Feb 16, 2006Calenberg Ingenieure, planmäßig elastisch lagern GmbHElastomerlager
DE19824446A1 *May 30, 1998Dec 9, 1999Calenberg Ingenieure PlanmaesiElastomer support bed for construction structures
DE19824446B4 *May 30, 1998Mar 2, 2006Calenberg Ingenieure Planmässig Elastisch Lagern GmbhElastomerlager
EP0913524A1 *Oct 30, 1998May 6, 1999Mondo S.p.A.Flooring having differential flexibility
Classifications
U.S. Classification428/169, 217/53, D05/53, 404/32, 267/141, D25/157
International ClassificationE04B1/84, E04B1/86
Cooperative ClassificationE04B2001/849, E04B1/86, E04B2001/8476
European ClassificationE04B1/86