Clamping tool for carrying out a chemical vapor infiltration of

Details Clamping tool for carrying out a chemical vapor infiltration of Clamping tool for carrying out a chemical vapor infiltration of

1990-07-09

1991-09-17

Watson, Robert C.

Work holders

Relatively movable jaws

Means to actuate jaw

269286, B25B 110

Patent

active

050488074

ABSTRACT:
The clamping tool comprises two plates (1,2) held together by sets of nuts and bolts (4,5) with a precise spacing therebetween determined by spacers (6). In order to obviate the need to machine the tool elements after each infiltration operation due to deposit of infiltrating material on the exposed surfaces, the plate is provided with channels (9) extending along a contour of the contact zones of the spacers. The width of the channels is such that irrespective of a tolerance in the positioning of said blocking elements resulting from some play in assembling the elements forming the clamping tool, the edges delimiting the contacting surfaces of the spacers are always located entirely between an inner edge and an outer edge of their corresponding channel portion.

REFERENCES:
patent: 1878850 (1932-09-01), Hilgers
patent: 2542719 (1951-02-01), Sprague
patent: 2684525 (1954-07-01), Dominguez
patent: 3991248 (1976-11-01), Bauer
patent: 4824066 (1989-04-01), Smith

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