System for working leather and like flexible sheet material

Details System for working leather and like flexible sheet material System for working leather and like flexible sheet material

1978-06-19

1980-08-26

Lawson, Patrick D.

Leather manufactures

Processes

Skiving or splitting

69 20, C14B 1900

Patent

active

042189012

ABSTRACT:
A system, including apparatus and method for cutting leather and like flexible sheet material into straps and/or strips and for sequentially sizing and shaping the straps and/or strips uniformly, the apparatus comprising a cylindrical bar with shaping and sizing circumferential grooves in the surface thereof, a pivotable biased holder carrying a cutting edge disposed at a narrow acute angle across one or both of the mentioned grooves in the cylindrical bar so that undesired portions of the straps or strips are cut off to size and shape the strap or strip as it is forceably drawn between the groove and the mentioned cutting edge. The cylindrical bar also comprises a slot and one or more spacers to hold one or more blades parallel to each other and perpendicular to the body so that a sheet of rawhide, leather or like flexible material may be selectively and simultaneously cut into uniform strips by drawing the sheet through the parallel blades. The shaping and sizing grooves may each have variable depths and shapes, depending upon the circumferential or rotational orientation of the cylindrical bar in respect to the first mentioned blade. Thus, strips of various thicknesses, sizes and shapes may be obtained. The apparatus at a given setting produces uniform straps and strips.

REFERENCES:
Encyclopedia of Rawhide & Leather Braiding, Bruce Grant, Cornell Press, 1972, pp. 3, 14, 21 & 23.

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