Method for manufacturing a panel

Details Method for manufacturing a panel Method for manufacturing a panel

1987-07-21

1989-07-18

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

156213, 156252, 428 71, 428140, 428159, 428198, B32B 310

Patent

active

048492779

ABSTRACT:
The invention relates to a method for manufacturing a panel (1, 21, 70, 71), for example an automobile panel such as a reclining backrest, loading floor, roof, door, engine hood, trunk lid and the like, which is characterized in that a prefabricated filling (5, 45) of foam plastic is placed in a mold cavity (59) between two layers (3, 4; 63, 64) of reinforced plastic, and that in a pressing process using heat and pressure said two layers of reinforced plastic are fused to each other while they enclose the foam plastic; and preferably the filling (5, 45) of foam plastic has at least one passage (10, 30, 31, 68), and that during the pressing process both the layers (3, 4; 63, 64) of reinforced plastic are fused to each other at the location of the passage (10, 30, 31, 68).
And further the invention relates to a panel manufactured under application of the method.

REFERENCES:
patent: 3003576 (1961-10-01), Dodge
patent: 3528866 (1970-09-01), Stevens
patent: 3684633 (1972-08-01), Haase
patent: 3795722 (1974-03-01), Sassaman
patent: 4432822 (1984-02-01), Adams et al.

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