Jig and method for processing cylinder block

Details Jig and method for processing cylinder block Jig and method for processing cylinder block

2007-10-03

2011-10-11

Thomas, David B (Department: 3723)

Work holders

Plural holders to hold workpieces relative to each other

Fixed work-contacting portions for each holder

Reexamination Certificate

active

08033534

ABSTRACT:
In a dummy head (a jig for processing a cylinder block) having a dummy head body deforming a cylinder bore by assembling into a mounting surface of the cylinder block by bolt fastening, during the finish processing of the cylinder bore, a boss having a contact surface contacting a peripheral portion of the cylinder bore on the head mounting surface is provided on a mounting surface side for the cylinder block of the dummy head body, and at least the dummy head body has a higher rigidity than the cylinder block.

REFERENCES:
patent: 5804043 (1998-09-01), Ikegaya
patent: 56-134169 (1981-10-01), None
patent: 59-7448 (1984-01-01), None
patent: 62-287965 (1987-12-01), None
patent: 2004-243514 (1994-09-01), None
patent: 2000-52228 (2000-02-01), None
patent: 2004-36511 (2004-02-01), None
patent: 2005-199378 (2005-07-01), None

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