초록 ▼

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 cor

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°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 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.

대표청구항 ▼

A kit for making O-rings from flexible, elastic O-ring cord stock material, said kit comprising: a continuously adjustable holding means for clamping and locking two portions of a continuous piece of said flexible, elastic O-ring cord stock material in side-by-side relationship so that said continuo

A kit for making O-rings from flexible, elastic O-ring cord stock material, said kit comprising: a continuously adjustable holding means for clamping and locking two portions of a continuous piece of said flexible, elastic O-ring cord stock material in side-by-side relationship so that said continuous piece of cord material can be simultaneously cut at two different locations into a predetermined length having two diagonally cut and exactly complementary matching free butt ends, said holding means further including means for making the angle of said cut more perpendicular to the length of said cord stock material for cord stock materials of larger diameter than for cord stock materials of smaller diameter; a bonding liquid for application to said two free butt ends; and, a mold means for completely surrounding said two free butt ends by 360°and for heating said two free butt ends and causing said butt ends to bond to each other, said mold means including means for temporarily holding said two free butt ends prior to complete surrounding and heating of said two free butt ends in said mold means.