|Publication number||US2031851 A|
|Publication date||Feb 25, 1936|
|Filing date||Jan 27, 1934|
|Priority date||Jan 27, 1934|
|Publication number||US 2031851 A, US 2031851A, US-A-2031851, US2031851 A, US2031851A|
|Original Assignee||Moulded Pulp Corp|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (14), Classifications (8)|
|External Links: USPTO, USPTO Assignment, Espacenet|
P. PLITJNKETT 2,031,851
CONTAINER FOR THREAD BODI IES Filed Jan. 27, 19:54
Patented Feb. 25, 1936 UNITED STATES PATENT OFFICE ooN'rAmEn roa 'rrmmn BODIES Paul Plunkett, Port Chester, N. Y., assignor, by
mesne assi gnments, to Moulded Pulp Corpora- This invention relates to individual containers for thread bodies, and more especially for rayon thread bodies which are to be shipped from one point to another.
In the manufacture of rayon, it is often necessary to transport thread bodies for considerable distances when the thread is still in a damp condition. It is highly important that the moisture content of the thread body be maintained as nearly uniform andconstant as possible during such shipment. If, for example, the surface layers of a thread body are allowed to dry out while the inner layers are still moist, the uniformity of quality of the thread in the body is lost and considerable waste of thread results.
The present invention provides individual moisture-proof containers for rayon thread bodies, these containers being suitably shaped to receive a thread body and to hold the thread body centered therein so as to avoid contact of the yarn with the wall of the container. It isan object of the invention to provide a container which is light in-weight and can be made so inexpensively that itrcan be economically thrown away after being once used. This saves the trouble and expense of returning empty containers to the point of origin.
According to the invention, I provide containers of paper pulp molded to ultimate shape,- each container consisting of a receptacle and a cover which overlaps to enclose a space adapted to accommodate a thread body wound on a cop or other suitable core. The top and bottom of the container are centrally molded so as to form elements which frictionally engage and center the extremities of the cop on which the thread body is wound. The receptacle and cover are preferably impregnated with moisture-resistant materials so that a substantially moisture-proof package is obtained.
Various other advantageous details of structure will be apparent to one skilled in the art from the description of certain embodiments of the invention which follows and from the disclosure thereon on the drawing, of which Figure 1 is a sectional view of an embodimen of the invention.
Figures 2, 3, 4 and are similar views of various modified forms of the invention.
Figure '6 is a fragmentary sectional view of a further modification.
As shown in Figure l, the container may consist of a receptacle ||l which is comparatively shallow. A relatively deep cover II is provided for the receptacle 10, the lower marginal portion l2 of the cover being adapted to overlap the upper marginal portion l3 of the receptacle In. If desired, the portion l3 may be inwardly offset as at M so that the marginal portion |2 of the cover can-make a flush joint with the receptacle Ill. The bottom of thereceptacle is molded to form an upwardly projecting hollow boss 20, this boss being of suitable diameter to enter and fit frictionally within the lower end of a thread cop 2| on which may be wound a thread body 22. This centers the lower end of the thread body so that a thread body may readily be correctly located within a receptacle l0 so as to receive the cover thereover. As
shown, the cover may have its top molded to ring 25. In addition to frictional engagement between the faces of the overlapping portions l2 and I3, I may employ a suitable adhesive or fastening elements to 'hold the cover on the receptacle. To seal and strengthen the joint between the receptacle and its cover, I may pass a sealing strip 21 around the container so as to cover the joint. This sealing strip may be of paper or of any other suitable material and is preferably applied with an adhesive.
Figure 2 illustrates a slightly modified form of the invention. The receptacle member ID may be similar to that illustrated in Figure 1. The cover member 30 is, however, molded with a downwardly or inwardly projecting boss 3| adapted to enter the open top of a thread cop 2|,
thread cops of this type being frequently used for rayon thread bodies. In other respects, the container may be similar to that shown in Figure 1.
Figure 3 shows another form of cover for a container embodying the invention, this cover having a more deeply molded ring 35 than the ring 25 illustrated in Figure 1, and having a central dome 36 adapted to receive and center the upper end portion of a thread cop 31 of the type having a closed apex. In other respects, the container may be similar to that illustrated in Figure 1.
Figure 4 shows a container, the top of which is molded with a downward or inward projection 4|), this projection being provided with an aperture 4| through which the upper end portion of a thread cop 31 may project. In a container 'of this type, it is important that the edges of the aperture 4| fit tightly against the wall of the cop- 31 so as to prevent the escape of moisture at the line of junction. If desired, some waterjecting upwardly from the plane of the top of the cover. This boss, being hollow, may be shaped to receive and fit the upper end portion of a thread cop 2|. The receptacle may be molded with a central boss having a portion 5| adapted to receive the lower end portion of the cop 2| in fitted engagement, andan upper portion 52 which may be of lesser diameter so as to receive the top boss 5|] of a similar container in a stack. Figure 6 shows a receptacle having an inwardly dished circumferential ring 60 in the side wall thereof near the rim, 1. e. in the inner ofiset portion I3 of the side wall. The cover member also has an inwardly dished ring 6| near its lower. edge, adapted to fit into the groove formed by the ring 60, so that, when the cover is pushed down into place on the receptacle, the ring 6| snaps into the groove 60, and thus the cover is resiliently held in place'as well as by frictional engagement between the overlapping portions. If, desired, additional securing means, such as an adhesive, fastening elements or a sealing strip 2' may be employed to strengthen the joint. It is obvious that various other modifications and details of structure may be employed with-' ing the central portion of its top molded to en-' gage and to center the upper end portion of a cop seated on said boss.
2. A container for a thread body, comprising a shallow receptacle and a deep cover of paper pulp moldedto ultimate shape and moisture resistant, said receptacle and cover each having an inwardly projecting portion adapted to engage and to center a thread cop within the container and overlapping marginal portions forming a flush joint, and a sealing strip secured around the side wall of said container to cover said joint.
3. A container for a thread cop, comprising a shallow receptacle having a central boss projecting upwardly from the bottom thereof to receive and fit into the lower end of a conical thread cop, and a cover for said receptacle having its top shaped with a downwardly projecting central ring adapted to engage and fit over the upper end portion of a thread cop seated on said boss.
4. A container for a thread cop, comprising a shallow receptacle made of paper pulp molded to ultimate shape and provided with a central 2,os1,ap1
boss projecting upwardly from the bottom thereof to receive and frictionally fit the bottom portion of a thread cop, a molded paper pulp cover of substantially greater height than the receptac'le, aid cover having an upwardly conve ging side the lower portion of which overlaps the rim portion of the receptacle, said cover having a downwardly projecting ring formed in the top thereof to engage? and to center the upper end portion of a thread cop seated on said boss.
5. A container for a thread body, comprising a receptacle and a cover therefor, said receptacle being of paper pulp molded with a central raised boss adapted to fit frictionally into the lower end of a rayon cop, said cover being of paper pulp molded with a lower edge portion adapted to overlap the rim of said receptacle and a top molded to engage frictionally the upper end portion of a rayon cop when the cop is seated on said boss and the cover is in position on said receptacle.
6. A container for a thread body, comprising a. receptacle and cover of paper pulp molded to ultimate shape and moisture resistant, said receptacle having an upstanding sidewall and a raised central boss adapted to receive and frictionally fit into the lower end of a thread cop,
said cover having an upwardly converging side wall the marginal portion of which overlaps and fits snugly against the rim portion of said rereceptacle and cover of paper pulp molded to ultimate shape and treated with moisture-resistant material, said receptacle having a central boss adapted to receive and fit into'the lower end of a thread cop and a side wall with the rim portion thereof offset inwardly, said cover having an upwardly converging side wall of substantially greater height than that of the receptacle, the lower marginal portion of the cover being shaped to fit frictionally on the offset portion of the receptacle to form a flush joint therewith, said cover having its top shaped to engage and to center a thread cop seated on said boss, and a sealing strip secured about said container and covering said joint.
8. A container for a thread body, comprising a shallow receptacle and a deep cover of paper pulp molded to ultimate shape and moisture resistant, said receptacle and cover having overlapping marginal portions constructed for both frictional and resilient resistance to separating forces, said receptacle and cover having central inwardly projecting means for engaging and centering a thread cop'within said container.
9. A container for a thread body, comprising a shallow receptacle of molded paper pulp with a central hollow boss projecting upwardly and adapted to engage within the lower end of a thread cop, and a comparatively deep cover adapted to overlap the rimportion of the receptacle and to extend upwardly therefrom, said cover having a central molded boss in the top thereof projecting upwardly to receive the upper portion of a thread cop and to enter the bottom boss of a similar container stacked thereon.
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|U.S. Classification||206/389, 206/408, 206/509, 206/493|
|International Classification||B65D85/04, B65D85/02|