Automatic bending machine for manufacturing of steel rule...

Details Automatic bending machine for manufacturing of steel rule... Automatic bending machine for manufacturing of steel rule...

2005-08-11

2008-09-23

Crane, Daniel C (Department: 3725)

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Plural or complex apparatus

Reexamination Certificate

active

07426846

ABSTRACT:
A setup method for preventing a “two-leaf cutting” by only operating a machine without using fingers in cutting an end of a strip blade material having an enclosed rectangular geometry. The steps include: the strip blade material being once advanced to a position, where “two-leaf cutting” will not occur; then a cutting tool being lowered; a cutting tool tip of a cutting tool component being lowered to a level of the same as or under that of a top edge of the strip blade material; then the strip blade material being retracted; and finally, the strip blade material being retracted by the same amount as that of the advance from the desired position.

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patent: 6308551 (2001-10-01), Park
patent: 6629442 (2003-10-01), Park
patent: 2006/0260377 (2006-11-01), Kane et al.
patent: 62-181835 (1987-08-01), None
patent: 11-347828 (1999-12-01), None
patent: 2001-314932 (2001-11-01), None

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