Title:
FORMING DEVICE
Document Type and Number:
Japanese Patent JP2700382
Kind Code:
B2
Abstract:
PURPOSE: To provide a forming device by which wrinkles are not generated on a wall formed on the side wall at the time of forming a vessel like object by working a sheet like object.
CONSTITUTION: This forming device is composed of a lst die member and a 2nd die member. The 1st die member is made of a cylindrical body, a 1st step groove is formed on the upper wall thereof and connected to a 2nd step groove formed on the internal wall thereof. The 2nd die member is composed of a pestle like push bar 1 including a circular-column body 7. At the end of the pestle like push bar 1, plural plate like members 3 are attached freely rotatably around a ring 33, and plural receiving grooves 5 for receiving the plate like members 3 are formed on the circumferential wall of the circular-column body 7 in its axial direction.
Inventors:
Kensaku Kadowaki
Masahiro Nozu
Masahiro Nozu
Application Number:
JP20244994A
Publication Date:
January 21, 1998
Filing Date:
August 26, 1994
Export Citation:
Assignee:
Kadowaki Paper Industry Co., Ltd.
Toyo Aluminum Foil Products Co., Ltd.
Toyo Aluminum Foil Products Co., Ltd.
International Classes:
B21D22/26; B21D33/00; B21D51/18; (IPC1-7): B21D33/00; B21D51/18
Domestic Patent References:
| JP5216469A | ||||
| JP58117919U | ||||
| JP61127836U |
Attorney, Agent or Firm:
Fukami Hisaro (3 outside)