Injection-molded article having high-quality appearance

Details Injection-molded article having high-quality appearance Injection-molded article having high-quality appearance

1992-12-01

1995-04-04

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428167, 428188, 428212, 428213, B32B 300

Patent

active

054036470

ABSTRACT:
An injection-molded article of a thermoplastic resin having a base body defining an outer shape of the injection-molded article, a thick-wall portion rising from the base body, and a foot portion formed on the base body and at a foot of the thick-wall portion, the foot portion rising from the base portion, having a thickness which gradually increases toward the thick-wall portion, and having a (maximum thickness of the foot portion)/(width extending from the thick-wall portion to an end of the foot portion) ratio of 1/40 to 1/2, at least the thick-wall portion having a hollow portion.

REFERENCES:
patent: 4923666 (1990-05-01), Yamazaki et al.
Patent Abstracts of Japan, vol. 016, No. 290 (M-1272) Jun. 26, 1992 (Abstract of JP-A-04078511).
Plastics Engineering, vol. 45, No. 7, pp. 35-38 (1989).
Patent Abstracts of Japan, vol. 016, No. 127 (M-1227) Mar. 31, 1992 (Abstract of JP-A-03290216.
B. Klotz et al., Kunststoffe German Plastics, vol. 79, No. 11, pp. 1102-1104 (1989) with English Translation.
C. Haroschek, Malterdingen, Kunststoffe German Plastics vol. 80, No. 8, pp. 873-876 (1990) with English Translation.
Ed Galli, Plastics Design Forum, pp. 35, 36, 41 and 42 (1990).

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