Bending machine

Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means...

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Details

72319, 264339, B29C 5304

Patent

active

051122103

ABSTRACT:
A bending machine for thermoplastic workpieces includes a first clamp assembly having first and second clamping jaws. A second clamp assembly is disposed along a first side of the first clamp assembly and includes third and fourth clamping jaws. The second clamp assembly is displaceable relative to the first clamp assembly, and the fourth clamping jaw is in planar alignment with the second clamping jaw. A heater assembly includes at least a first heating knife disposed along the first side of the first clamp assembly, and is displaceable relative to the first clamp assembly. A bending jaw is disposed along an opposite second side of the first clamp assembly and is pivotal between a first position in planar alignment with the second and fourth clamping jaws and a second position angularly disposed relative thereto.

REFERENCES:
patent: 2937689 (1960-05-01), Peterson
patent: 3149376 (1964-09-01), Lee
patent: 3888613 (1975-06-01), Fries et al.
patent: 3946588 (1976-03-01), Mayston
patent: 4557684 (1985-12-01), Romine et al.
patent: 4781787 (1988-11-01), Weissfloch et al.
patent: 4944176 (1990-07-01), Glorieux et al.

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