Tape scraper and process for producing same

Metal working – Method of mechanical manufacture – With testing or indicating

Patent

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Details

152565, 29558, 51161, 51281R, B23P 1700

Patent

active

050778811

ABSTRACT:
A tape scraper is made of a block of material having first and second planar internal surfaces disposed at an angle relative to each other. An external surface of the block is ground by a grindstone, while the block is rotated about an axis. The axis is located in a plane bisecting the angle between the planar internal surfaces. Grinding is continued until a groove between the two planar surfaces is opened to form facing knife edges. Rigid alignment of the knife edges is maintained by portions of the material which remain after grinding that connect the separated portions together.

REFERENCES:
patent: 1949515 (1934-03-01), Norton
patent: 3602940 (1971-09-01), Barbeau
patent: 4839959 (1989-06-01), Mersing
patent: 4897907 (1990-02-01), Kopiel et al.

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