Title:
PROGRESSIVE DEEP-DRAWING MACHINE
Document Type and Number:
WIPO Patent Application WO/1998/039116
Kind Code:
A1
Abstract:
A progressive deep-drawing machine comprising a feeder which pitch-feeds a hoop-like long object intermittently in a longitudinal direction, a plurality of punching die sets which are arranged in the feeding direction of the object and by which at least the object is successively subjected to deep-drawing, and an annealer through which the object can pass and which is provided at the intermediate point of the punching die sets to subject the object to an intermediate annealing treatment.
Inventors:
FUTAMURA SHOJI (JP)
MURATA TSUTOMU (JP)
MURATA TSUTOMU (JP)
Application Number:
PCT/JP1998/000730
Publication Date:
September 11, 1998
Filing Date:
February 24, 1998
Export Citation:
Assignee:
INST TECH PRECISION ENG (JP)
FUTAMURA SHOJI (JP)
MURATA TSUTOMU (JP)
FUTAMURA SHOJI (JP)
MURATA TSUTOMU (JP)
International Classes:
B21D22/20; B30B13/00; C21D1/26; B21D24/00; (IPC1-7): B21D22/20; B21D24/00; B30B13/00
Foreign References:
| JPH05104296A | 1993-04-27 | |||
| JPS58122128A | 1983-07-20 |
Other References:
See also references of EP 0916427A4
Attorney, Agent or Firm:
Morita, Hiroshi (Sankyo Central Plaza Building 5F 11-8,
Nishi-Nippori 5-chom, Arakawa-ku Tokyo, JP)
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