Papermakers' felt

Details Papermakers' felt Papermakers' felt

1984-10-19

1986-01-21

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

28107, 1563082, 1563096, 428235, 428236, 428286, 428287, 428288, 428296, 428300, 428301, B32B 702

Patent

active

045657351

ABSTRACT:
A papermaker's felt is formed by needling a compressible batt layer onto one or both sides of a base layer woven fabric. The batt layer is formed from a mixture of at least two types of fibers. A first type is present in much smaller quantities than the remainder and has a melting point at a temperature below the melting point of the remainder. The felt is heated to a temperature between the melting point of the first type of fibers and the remainder, so as to melt the first type such that it bonds the remainder together and to the base fabric. The felt is then formed into an endless belt.

REFERENCES:
patent: 2336797 (1943-12-01), Maxwell
patent: 2418904 (1947-01-01), Rugeley
patent: 2528129 (1950-10-01), Francis
patent: 3324609 (1967-06-01), Stein
patent: 3329554 (1967-07-01), Hencken
patent: 3613258 (1971-10-01), Jamieson
patent: 3616160 (1971-10-01), Wincklhofer
patent: 3928699 (1975-12-01), Fekete
patent: 4107367 (1978-08-01), Fekete
patent: 4119753 (1978-10-01), Smart
patent: 4151323 (1979-04-01), Christie
patent: 4382987 (1983-05-01), Smart

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