Multi-layered, needle punched, felt-like cushioning material and

Details Multi-layered, needle punched, felt-like cushioning material and Multi-layered, needle punched, felt-like cushioning material and

1980-01-28

1981-08-18

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

28103, 28107, 28112, 428246, 428252, 428280, 428282, 428284, 428287, 428300, B32B 502

Patent

active

042846803

ABSTRACT:
The specification describes a multi-layered, needle-punched, felt-like cushioning material for a hot-pressing machine. The cushioning material is made of at least two fibrous batts and at least one foundation fabric interposed between the batts and needle-punched with the batts. The specification also describes a method for producing the above cushioning material. The cushioning materials according to this invention have a high density and can maintain high elasticity and excellent cushioning properties over a relatively long period of hot-pressing operation.

REFERENCES:
patent: 3166823 (1965-01-01), Bernard
patent: 3570085 (1971-03-01), Heinemann
patent: 3856602 (1974-12-01), Colyn et al.
patent: 3952121 (1976-04-01), Dilo
patent: 3994759 (1976-11-01), Stotler
patent: 4113535 (1978-09-01), Lefkowitz et al.
patent: 4199635 (1980-04-01), Parker
patent: 4205113 (1980-05-01), Hermannson

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