B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/109, 26/161
B29C 53/36 (2006.01) B29D 99/00 (2010.01) B29C 65/00 (2006.01) B29C 65/48 (2006.01) B29C 69/00 (2006.01) F16J 15/32 (2006.01)
Patent
CA 1108363
PAVANO 3.0-001 METHOD AND KIT APPARATUS FOR MAKING O-RINGS Inventor: Robert J. Pavano ABSTRACT OF THE DISCLOSURE A kit for making O-rings from cord stock material essentially includes a holding fixture for securing the material, a container of bonding liquid and a heating mold. The holding fixture allows the cord material to be cut diagonally in such a fashion that the magnitude of the angle is smaller for cord materials having a smaller diameter. Therefore, there is a larger bonding surface for smaller diameter materials. The O-ring heating mold includes two flat separable heat condutive blocks having a common flat interface. Apertures are located across the interface having cross-sectional diameters that are slightly less than the tube stock cross-sectional diameters. Since the central axis of each aperture is not located directly at the interface one portion will include more than 180° of arc whereas the other portion will correspondingly include less than 180°. With this structure it is possible to mate the two O-ring pieces in the heating mold where they will stay relatively immobile until locked in position by a locking screw. A heating control mechanism is associated with heating element in the heat mold. The kit can be employed to create custom sized O-rings in a relatively short period of time.
304947
P.e.p. Associates Inc.
Smart & Biggar
LandOfFree
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