Spring file

Details Spring file Spring file

1988-09-13

1990-06-26

Terrell, William E.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51392, 51394, 29 78, 29 80, 76 241, 761011, B24D 1504, B23F 2123, B23D 7106

Patent

active

049360558

ABSTRACT:
A spring file comprises a coiled spring, the outer flattened periphery of which is coated with abrasive particles so as to form a file face and the method of manufacturing the same. In a first arrangement of the spring file, the coiled spring has the file face coated with the abrasive particles and is joined to the tip of a hand grip. In a second arrangement, the coiled spring has the file face coated with the abrasive particles and is of considerable length and thus used portions thereof can be removed by cutting off.

REFERENCES:
patent: 289879 (1883-12-01), Almond
patent: 563651 (1896-07-01), Brooks
patent: 2687561 (1954-08-01), Anderson
patent: 3861087 (1975-01-01), Martin
patent: 3956858 (1976-05-01), Catlin et al.

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