Composite lid

Details Composite lid Composite lid

1976-07-30

1978-06-27

Van Balen, William J.

Bottles and jars

Closures

Cap type

215324, 428 66, 428 81, 428157, B65D 4118

Patent

active

040969630

ABSTRACT:
A composite product and a method of making the product, the product being a central panel of flexible sheet material having a peripheral molding of plastics bonded to the margin of the panel, the arrangement being such that the margin of the panel is deformed to define two marginal parts displaced out of the plane of the central part of the panel, the moulding extending across the junction of the two marginal parts with each other but stopping short of the junction of the inner marginal part with the central part so that the blank at that junction is free to unwind, i.e. return to the flat and any bowing of the blank, which being uniform as to direction, is substantially less than would be the case were the moulding to cover both junctions.

REFERENCES:
patent: 3655493 (1972-04-01), Campbell
patent: 3808084 (1974-04-01), Doty
patent: 3821061 (1974-06-01), Schier
patent: 3973689 (1976-08-01), Sutch

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