Expandable plastics granular material having at least one orific

Details Expandable plastics granular material having at least one orific Expandable plastics granular material having at least one orific

1986-01-28

1986-11-04

Van Balen, William J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

206523, 206584, 206814, 428398, 428402, B65D 8102, B65D 8530

Patent

active

046210229

ABSTRACT:
The invention relates to a plastics granular material of foamable particles which are derived from a star-shaped basic body with at least three limbs lying in a plane, the particles having at least one orifice. Preferably, these granular material particles are provided with three limbs and each limb is provided with an orifice.
Furthermore, the invention has as its subject a packaging material which is obtained by foaming of the said plastics granular material. This packaging material displays a lower bulk density, improved pourability with simultaneously improved packing effect (good packaging properties, large void volume).

REFERENCES:
patent: 3400037 (1968-09-01), Sare et al.
patent: 3855053 (1974-12-01), Fuss
patent: 3961000 (1976-06-01), Ropiequet
patent: 4269895 (1981-05-01), Borchert et al.
patent: 4500586 (1985-02-01), Bussey, Jr.

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