Seam for work fabric and method of manufacture thereof

Details Seam for work fabric and method of manufacture thereof Seam for work fabric and method of manufacture thereof

1990-03-19

1991-05-14

Britts, Ramon S.

Endless belt power transmission systems or components

Friction drive belt

Including particular means connecting opposite ends to form...

474253, 474255, 474261, 474268, F16G 300, B65G 1530

Patent

active

050152203

ABSTRACT:
An endless work fabric having a loop seam construction and a method of manufacture thereof is disclosed, wherein the fabric is used as a papermaker felt, a papermaker dryer fabric, a forming wire, or filter fabric. An endless belt formed of a preselected material preferably having longitudinally extending yarns included therein is collapsed upon itself to form folded ends that are stripped to expose end loops. The loops as formed in the ends of the fabric are intermeshed to define a transversely extending channel through which a pintle member is extended for joining the two ends of the folded fabric to define the endless work fabric. An alternate construction includes forming the fabric of nonwoven materials and interconnecting the ends of the collapsed fabric by a hinge-like construction through which a pintle member is extended.
In another alternate form of the invention, the endless work fabric is formed by the weaving of cross yarns with the longitudinally extending yarns, the cross yarns including certain specified cross yarns or cords, at least one of the specified cross yarns being spaced from its corresponding end of the work fabric, the specified cross yarns being removed to form transverse openings in the work fabric for receiving a pintle member for joining the two ends of the folded work fabric, the cross sectional dimension of the specified cross yarns determining the dimension of openings that are formed in the longitudinally extending yarns for receiving the pintle member therein after the specified yarns are removed from the work fabric.

REFERENCES:
patent: 3324991 (1967-06-01), Voss
patent: 4574435 (1986-03-01), Luciano et al.
patent: 4601785 (1986-07-01), Lilja et al.
patent: 4695498 (1987-09-01), Sarrazin et al.
patent: 4737241 (1988-04-01), Gulya
patent: 4865083 (1989-09-01), Cunnane
patent: 4896702 (1990-01-01), Crook

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