The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 29, 1999

Filed:

Jan. 13, 1998
Applicant:
Inventors:

Scott D Welsh, Gibsonia, PA (US);

Daniel G Lukas, Pittsburgh, PA (US);

Vaughn H Martin, Gibsonia, PA (US);

Assignee:

Vamco International, Inc., Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B / ; B26D / ;
U.S. Cl.
CPC ...
100 35 ; 72448 ; 83 13 ; 83530 ; 100 45 ; 100257 ;
Abstract

A method for compensating for the variation in shut height of a press during stamping and forming as it is starting and stopping comprising user input of the minimum press speed at which feeding of feed material to the press should commence, monitoring of the actual press speed, and feeding of the feed material only when a minimum press speed representing a desired press shut height has been achieved. A method for inputting a desired shut height range, monitoring actual shut height and feeding feed material only when the actual shut height is within the desired shut height range is also disclosed.


Find Patent Forward Citations

Loading…