Mold for the covering and trimming of products of plastics mater

Details Mold for the covering and trimming of products of plastics mater Mold for the covering and trimming of products of plastics mater

1986-03-21

1987-09-08

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Cutter guided by or cooperating with peripheral edge of...

264163, 425301, 425306, 425423, B29C 5132

Patent

active

046921087

ABSTRACT:
This invention relates to a mold for the covering and trimming of plastics products, particularly of panels for the inside upholstery of motor vehicles. The object of the invention is to avoid that the covering material (4), spread over a heated sheet of plastics material intended to constitute the product (3) to be covered, may be pinched between two side knives (8) associated with two substantially rectilinear sides of the outline of the product (3) and converging to each other toward a preferably rounded corner of said product (3). To achieve this object, at the angle between the two side knives (8) associated with the converging substantially rectilinear sides, there is arranged a knife (8') which is shaped correspondingly to said corner, and the ends of which slidably engage the outer planar surfaces of tapered end extensions (108) of the side knives (8). Means (9, 9', 10, 10') are provided for displacing simultaneously the side knives (8) and interposed shaped knife (8'). The sliding surfaces between the extensions (108) of the side knives (8) and interposed shaped knife (8') are at such an angle to the directions of movement of either the two side knives (8) and the interposed shaped knife (8') as to always remain in contact with each other during the movement of said knives.

REFERENCES:
patent: 3546740 (1970-12-01), Johnson
patent: 3663522 (1972-05-01), Butcher
patent: 3699201 (1972-10-01), Turner
patent: 3755522 (1973-08-01), Jope et al.
patent: 3918871 (1975-11-01), Anderson et al.
patent: 3989581 (1976-11-01), Kober et al.
patent: 4104349 (1978-08-01), Hillgenberg
patent: 4243456 (1981-01-01), Cesano

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