Manufacture and use of cushiony packaging

Details Manufacture and use of cushiony packaging Manufacture and use of cushiony packaging

1987-08-06

1990-08-21

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

427245, 427373, 428195, 4283044, 4283155, 4283173, B32B 326

Patent

active

049505238

ABSTRACT:
Plastic foam is applied by pushing it through or spreading it with notched spreader onto support to which it adheres and sets, forming a foam cushion in stripes that can be very close together or quite far apart. Stripes can be straight or wavy and support can be paper or plastic film such as polyethylene terephthalate. Foam can contain or be coated with antistat and/or volatile corrosion inhibitor and can be made of heat-sealable plastic or can be cold sealed by adhesives such as cohesive-nonadhesive top coatings.

REFERENCES:
patent: 3345245 (1967-10-01), Hanusa
patent: 4086384 (1978-04-01), Adelman et al.
patent: 4119749 (1978-10-01), Roth et al.
patent: 4150850 (1979-04-01), Doerfling
patent: 4263360 (1981-04-01), Adelman
patent: 4423103 (1983-12-01), Bogdany

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