Work holders – With fluid means – With safety means
Patent
1984-03-29
1986-01-28
Meister, James M.
Work holders
With fluid means
With safety means
83 71, 83 72, 83176, 83360, 83380, 83 54, 72 26, 72304, B23D 4704
Patent
active
045666792
ABSTRACT:
An apparatus and method of clamping tube-like members on a clamping support, for cutting off portions of the tube-like members are provided. Clamping forces are applied to the tubes alternately in horizontal and vertical directions in such a way that the clamping forces generated are higher than clamping forces which are applied only in a horizontal direction, without however causing permanent deformation of the tube-like members. The apparatus comprises a horizontal clamping mechanism and a vertically displaceable clamping member. A measuring device is associated with the horizontal clamping mechanism and the vertically displaceable clamping member, for measuring the geometrical deformation of the tube-like members which occurs during a clamping operation. The measuring device produces a signal to stop the clamping operation before the degree of deformation of the tube-like members reaches an inadmissible value.
REFERENCES:
patent: 2769224 (1956-11-01), Hake
patent: 2781573 (1957-02-01), Espari et al.
patent: 2925005 (1960-02-01), Hensley
patent: 3570349 (1971-03-01), Behrendt
patent: 3660883 (1972-05-01), Hoeckele
patent: 3709075 (1973-03-01), Goellner
Ehm Karl H.
Orendi Roderich R.
Meister James M.
Tremag Trennmaschinen-Gesellschaft mbH
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