Preparation of dunnage material

Details Preparation of dunnage material Preparation of dunnage material

1972-09-05

1976-01-20

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

206523, 260 25B, 260 25E, 264 459, 264 461, 264 51, 264129, 264151, 264174, 264343, 428369, 428394, 428398, 428399, B29D 2700, B65D 6544

Patent

active

039339599

ABSTRACT:
Generally linear foamable strandular particles which are asymmetrical about a plane generally containing the longitudinal axis provide a desired curled dunnage material when heated to cause foaming. A wide variety of methods may be used to introduce the desired asymmetry.

REFERENCES:
patent: 3066382 (1962-12-01), Zweigle et al.
patent: 3121132 (1964-02-01), Del Bene
patent: 3147321 (1964-09-01), Oswald et al.
patent: 3244785 (1966-04-01), Hollandsworth
patent: 3251728 (1966-05-01), Humbert et al.
patent: 3262625 (1966-07-01), Russell et al.
patent: 3275720 (1966-09-01), Ohsol
patent: 3435103 (1969-03-01), Medhurst
patent: 3461197 (1969-08-01), Lemelson
patent: 3582418 (1971-06-01), Schuur
patent: 3594459 (1971-07-01), Keuchel

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