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United States Patent 5,793,015
Walczyk Aug. 11, 1998
Apparatus for rapidly forming laminated dies
Abstract

An improved apparatus for forming profiled edge lamination (PEL) dies rapidly and accurately is disclosed.

Inventors: Walczyk; Daniel (Somerville, MA).
Assignee: MIT (Massachusetts Inst. of Technology) (Cambridge, MA).
Appl. No.: 472,972
Filed: Jun. 7, 1995

Related U.S. Application Data
Continuation-in-part of Ser No. 123,742, Sept. 20, 1993, abandoned.
Intl. Cl. : B23K 26/00, B21K 5/20
Current U.S. Cl.: 219/121.67; 219/121.82; 76/4; 83/177; 83/418; 83/92
Field of Search: 219/121.67, 121.72, 121.82; 76/4, 107.1; 83/92, 446, 614, 644, 418, 177; 271/3.24
References Cited | [Referenced By]
U.S. Patent Documents
3,375,568Apr., 1968Kelsey
3,932,923Jan., 1976DiMatteo 29/407.05
5,031,483Jul., 1991Weaver 76/107.1
5,071,503Dec., 1991Berman 156/250
5,247,861Sept., 1993Jahn 76/107.1
5,354,414Oct., 1994Feygin 219/121.65
5,367,929Nov., 1994Burch et al. 83/177

Foreign Patent Documents
0454620Oct., 1991EP 219/121.67
2743544Mar., 1979DE 219/121.67
6-99296Apr., 1994JP 219/121.67
Primary Examiner: Evans; Geoffrey S.
Assistant Examiner: Mills; Gregory L.
Attorney, Agent or Firm: Jacobs; Bruce F.
29 Claims, 17 Drawing Figures

U.S. GOVERNMENT RIGHTS

The U.S. government has rights to this invention by virtue of the National Science Foundation Grant Number DDM-9202362.

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