Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to form or reshape preform
Patent
1997-04-22
1998-09-29
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
And means to form or reshape preform
425113, 4251311, 264107, 26417716, 264252, B29C 4706
Patent
active
058143521
ABSTRACT:
For extruding an automotive weather strip which includes an elongate major portion and an elongate lip portion which is integrally formed on the major portion, an extruding device is provided, which comprises a material extruder for feeding a first material for the major portion; an additional material extruder for feeding a second material for the lip portion; a fixed shaping die formed with a main extruding opening from which the first material from the material extruder is extruded for formation of the major portion; a movable shaping die formed with an auxiliary extruding opening from which the second material from the additional material extruder is extruded for formation of the lip portion. The movable shaping die is movable relative to the fixed shaping die. The movable shaping die is located in front of the fixed shaping die and spaced from the same by a given distance.
REFERENCES:
patent: 3067455 (1962-12-01), Reid
patent: 4510715 (1985-04-01), Giguere
patent: 5137675 (1992-08-01), Rabe
patent: 5424019 (1995-06-01), Miyakawa et al.
patent: 5507994 (1996-04-01), Cornils et al.
patent: 5645785 (1997-07-01), Cornils et al.
Patent Abstracts of Japan, Tadanobu et al., vol. 14, No. 266 (1990)--02 076716 A (published Mar. 1990).
Ichinohe Sumito
Imura Hiroyoshi
Davis Robert
Kinugawa Rubber Ind. Co. Ltd.
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