Machine and method for producing footwear

Details Machine and method for producing footwear Machine and method for producing footwear

1984-05-22

1985-10-01

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

2643289, 26432814, 264334, 425547, 425556, 425564, 425438, 425444, B29C 500, B29C 700, B29F 100

Patent

active

045445192

ABSTRACT:
A molding machine for producing footwear soles includes a frame carrying a pair of extruders for thermoplastic material at one end; a pair of bottom molds mounted on hot runner systems on the other end of the frame; a pair of vertically movable top molds mounted above and cooperating with the bottom molds to define mold cavities for receiving the thermoplastic material from the hot runner systems; a swing out system for swinging each top mold from a horizontal molding position to an unloading position; gripper jaws for gripping the soles and removing them from the top molds; and swing arm assemblies carrying the gripper jaws for carrying the soles away from the molds to conveyor or packaging locations.

REFERENCES:
patent: 2770011 (1956-11-01), Kelly
patent: 3444590 (1969-05-01), Ludwig
patent: 3732055 (1973-05-01), Hujik
patent: 4123493 (1978-10-01), Shilke et al.
patent: 4204824 (1980-05-01), Paradis
patent: 4257755 (1981-03-01), Lemelson
patent: 4302169 (1981-11-01), DeOliveria
patent: 4465448 (1984-08-01), Aldridge

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