Apparatus and method for forming and bonding a thermoplastic par

Details Apparatus and method for forming and bonding a thermoplastic par Apparatus and method for forming and bonding a thermoplastic par

1989-09-12

1992-03-17

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

52729, 1563082, 1563099, 156443, 1565831, 264241, 264248, 428174, B32B 3100

Patent

active

050965255

ABSTRACT:
An apparatus and a method for forming a thermoplastic part from thermoplastic blanks are disclosed. The apparatus includes first and second male dies, each having a shape defining the internal dimensions of first and second portions of the part, respectively. A female die has opposed first and second open ends, each being shaped to receive the first and second male dies, respectively, with predetermined clearances. Fixed to a stationary platform are springs for selectively resisting the movement of a support for the second male die toward the platform. The springs control the forming pressure between the first and second male dies in mating relation with the female die to form the part.

REFERENCES:
patent: 3001901 (1961-09-01), Barkley
patent: 3328931 (1967-07-01), Smith
patent: 3845544 (1974-11-01), Nurminen et al.
patent: 4123217 (1978-10-01), Fletcher et al.
patent: 4274276 (1981-06-01), Mettler
patent: 4969966 (1990-11-01), Norman

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