B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
217/43
B65D 81/26 (2006.01) A61J 1/03 (2006.01) B29C 65/00 (2006.01) B29C 65/08 (2006.01) B29C 65/78 (2006.01) B65B 7/28 (2006.01) B65D 51/30 (2006.01) B65D 77/20 (2006.01) B65D 85/50 (2006.01)
Patent
CA 1328853
CONTAINER FOR BULK MATERIAL AND METHOD OF FABRICATION THEREOF ABSTRACT OF THE DISCLOSURE A container for material such as desiccant, adsorbent, absorbent or the like, including a molded shell made of high density polyethylene having a cylindrical side wall and an end wall and an open end, and a permeable membrane closing the open end by extending over onto the edge of the side wall and being deformed therewith and fused thereto into a frusto- conical shape. A method of attaching a membrane across an opening of an annular deformable wall including the steps of placing a disc across the opening with the disc extending outwardly beyond the wall, and deforming the outer edge of the disc and the wall simultaneously by applying heat and pressure thereto to fuse the outer edge of the disc onto the wall. A container having a shell of the above-described type wherein the permeable membrane is secured to the end of the cylindrical side wall, and the overhanging portion of the membrane is sealed to the adjacent edge of the side wall which is deformed into a frustoconical shape.
610858
Boczkowski Frederick A.
Cullen John S.
Incorvia Samuel A.
Nigon Christopher S.
Gowling Lafleur Henderson Llp
Multisorb Technologies Inc.
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