Work holders – Holder inserted within work aperture – Expandable mandrel
Patent
1994-08-02
1996-03-19
Watson, Robert C.
Work holders
Holder inserted within work aperture
Expandable mandrel
269234, 269157, B23Q 314
Patent
active
054998018
ABSTRACT:
An end holder (5) has a main recess (8) and cavities (8a) to fit on an end of an extruded aluminum profile material (1) having a semi-hollow portions (1a). Each of chucks (6) can protrude into the semi-hollow portion placed in the cavity (8a) so as to chuck the inner surface of said portion (1a), so that the end of material (1) can be firmly held in place while it is being severed from a body of the material to thereby produce high quality slices of an improved precision in dimension and shape.
REFERENCES:
patent: 4518476 (1985-05-01), Delony et al.
Enomoto Masatoshi
Nakazawa Yasushi
Touma Kiyotaka
Honda Giken Kogyo Kabushiki Kaisha
Showa Aluminum Corporation
Watson Robert C.
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