Ring forming machine

Details Ring forming machine Ring forming machine

1975-01-27

1976-11-30

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156112, 156122, 156140, 156217, 156244, 156258, 156304, 156443, 156499, 156500, 156503, 156507, 264295, 425392, B29H 1100

Patent

active

039947670

ABSTRACT:
Apparatus for forming annular articles from elongated workpieces of thermoplastic material is provided with clamps for grasping the ends of the workpiece, and a heating plate with two opposed surfaces; the clamps apply the ends of the workpiece to the plate to heat them and then bring the ends together.

REFERENCES:
patent: 1622546 (1927-03-01), Seiberling
patent: 2340267 (1944-01-01), Haase
patent: 2384014 (1945-09-01), Cutler
patent: 2497461 (1950-02-01), McChesney
patent: 2647555 (1953-08-01), Hinman
patent: 2971224 (1961-02-01), Overholser
patent: 3121655 (1964-02-01), Dickison
patent: 3417434 (1968-12-01), Hafner

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