Contoured batt produced by a scarfing method using a contouring

Details Contoured batt produced by a scarfing method using a contouring Contoured batt produced by a scarfing method using a contouring

1987-02-18

1990-11-20

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428156, 428171, 428177, 428913, B32B 302

Patent

active

049718525

ABSTRACT:
A scarfing method and apparatus are disclosed for making a longitudinally and transversely contoured batt on a moving fibrous web. The apparatus comprises a scarfing roll disposed on one side of a foraminous belt and a contouring roll, having a nonuinform surface, disposed on the opposite side of the belt. As the contouring roll is rotated, it raises the belt and the fibrous web towards the scarfing roll, according to the shape of the nonuniform surface. Hence, a contour is provided in the direction of movement of the web. The transverse contour can be provided by the shape of the scarfing roll itself.

REFERENCES:
patent: 3017304 (1962-01-01), Burgeni
patent: 4675144 (1987-06-01), Hammond
patent: 4690853 (1987-09-01), Hammond

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