Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Means joining flexible indefinite length or endless bodies...
Patent
1977-06-24
1980-06-10
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Means joining flexible indefinite length or endless bodies...
30290, 83762, 83828, 156158, 156159, 1563042, 156228, 1563045, 156510, 1565831, 269 9, 269 90, 269288, B29C 2706, B65H 6902, B65H 6906
Patent
active
042071356
ABSTRACT:
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 conductive 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.degree. of arc whereas the other portion will correspondingly include less than 180.degree.. 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 a heating element in the heat mold. The kit can be employed to create custom sized O-rings in a relatively short period of time.
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P.E.P. Associates
Wityshyn Michael G.
Woodbridge Richard C.
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