E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/57, 277/57
E06B 7/23 (2006.01) B29D 99/00 (2010.01) B29C 43/02 (2006.01) B29C 43/18 (2006.01) B29C 45/14 (2006.01) B29C 70/74 (2006.01) E06B 7/16 (2006.01) F16J 15/02 (2006.01) F16J 15/10 (2006.01)
Patent
CA 1144427
ABSTRACT A sealing device comprises a door or gasket of rigid material curved in one direction and straight in another, as in the form of a portion of a cylinder, and having convex and concave surfaces. Either or both such surfaces has a circumferentially continuous groove across the straight and curved portions that contains a molded in-place packing of resilient material. The packing has a portion projec- ting from the groove and has a recess extending into the groove. The sides of the recess are parallel to a tranverse access divided by the intersection of the surfaces; the direction of the access corresponds to the direction of travel of the mold members relative to each other when separating so that there is no undercut in the packing material into which portions of the mold would project and prevent separation of the mold members after the molding operation without damaging the packing.
353636
Parker Michael James
Ridout & Maybee Llp
LandOfFree
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