Vibration or shock absorbing member

Details Vibration or shock absorbing member Vibration or shock absorbing member

1992-02-10

1994-08-02

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Longitudinal or transverse tubular cavity or cell

428167, 428178, 248632, 248634, B32B 320

Patent

active

053344340

ABSTRACT:
A vibration or shock absorbing member which is composed of a material capable of effecting injection molding such as plastics, rubber, ceramics, metallic powder mixed and kneaded with a specified binder, or glass powder mixed and kneaded with a specified binder, and includes an integral structure, a plurality of protrusions formed at least on one main flat surface of the integral structure, and a plurality of independent hollow portions provided symmetrically or in an aligned state within the integral structure through intersecting partition walls. Such integral structure is molded as one unit by one-shot molding (molding at one time) or by a single molding die for expanding the range of selection for materials and spring constants so as to achieve freedom in the choice of shapes and reduction in weight.

REFERENCES:
patent: 2998214 (1961-08-01), Peterman
patent: 3941157 (1976-03-01), Barnett
patent: 4136412 (1979-01-01), Wilhelm
patent: 4435463 (1984-03-01), Roellchen
patent: 4478889 (1984-10-01), Mayumi et al.
patent: 5023128 (1991-06-01), Fatoul

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