Billowed filling elements for packaging

Details Billowed filling elements for packaging Billowed filling elements for packaging

1982-10-28

1985-02-19

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

206814, 428218, 4283084, 428357, 428397, 428402, B32B 100, B32B 2700

Patent

active

045005869

ABSTRACT:
A plastified mass of thermoplastic material containing an expanding agent is extruded and sliced into pieces by shaped cutting edges to produce--on expanding--elements which are shaped in a billowed manner or a double-bubble manner. The billowed elements have an inturned peripheral edge which prevents nesting and interlocking together when used in a shipping container. Similarly, the double bubble elements preclude nesting and interlocking.

REFERENCES:
patent: 4027064 (1977-05-01), Bussey, Jr.
patent: 4104440 (1978-08-01), Collins
patent: 4169179 (1979-09-01), Bussey, Jr.
patent: 4234657 (1980-11-01), Bussey, Jr.

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