Coreless twist-ties

Details Coreless twist-ties Coreless twist-ties

1990-10-05

1992-10-13

Sakran, Victor N.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428402, 428435, 24 305P, 24 305T, B32B 2700, B65D 7710

Patent

active

051549646

ABSTRACT:
A non-metallic coreless twist-tie is formed by melting polymeric material, extruding the material in an elongated form, cooling the material, than drawing the material at a rate of more than about 2.5 times. The tie can include glass beads. The polymer is preferably formed from polymeric resin having a degree of crystallization of about 10% to 60% at a crystallized temperature range of about 100.degree. C. to 250.degree. C. and can also include a quantity of fine glass beads. The resulting tie can be twisted and untwisted many times without breakage, is suitable for use in microwave ovens and is simpler to construct than multicomponent ties.

REFERENCES:
patent: 3290854 (1966-12-01), MacMurray
patent: 3535746 (1970-10-01), Thomas, Jr.
patent: 3604066 (1971-09-01), Moon
patent: 3857139 (1974-12-01), Turner
patent: 3945086 (1976-03-01), Hoard
patent: 3962524 (1976-06-01), Miyamoto et al.
patent: 4113915 (1978-09-01), Schott
patent: 4797313 (1989-01-01), Stolk et al.

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