Title:
【発明の名称】液圧により作動される剥ぎ取り装置
Document Type and Number:
Japanese Patent JP3094301
Kind Code:
B2
Abstract:
A stripping device for enlarging an opening in sheet material and possibly for initially forming and then enlarging the opening. A hydraulically operated cylinder has a cylinder housing around it. A piston in the cylinder is connected to move a shoe that is guided on the cylinder housing. A clamping jaw is attached to the cylinder housing. An axially displaceable stripping jaw is connected to the piston either by a rod on the piston or that jaw is attached on the shoe and moves with the shoe. The shoe may have a plurality of spaced attachment points for the stripping jaw. There may be an extension of the piston on which the stripping jaw is carried or on which an additional sripping jaw is carried. There may be an extension of the cylinder housing on which an additional clamping jaw is carried.
Inventors:
Vorfu Coolman
Dieter Hetse
Karl Kegel
Dieter Hetse
Karl Kegel
Application Number:
JP18441690A
Publication Date:
October 03, 2000
Filing Date:
July 13, 1990
Export Citation:
Assignee:
Lucas Hydrauritsk Gezershyaft Mitt Besilyenktel Haftung und Company Company Commande Gezershyaft
International Classes:
B23D31/00; A62B3/00; A62B99/00; B23B45/00; B23D9/00; B23P17/00; B25B33/00; B25F1/00; (IPC1-7): B23P17/00; A62B37/00; B25B33/00; B25F1/00
Foreign References:
| US3762688A | ||||
| US3304059A |
Other References:
【文献】米国特許3762688(US,A)
【文献】米国特許3304059(US,A)
【文献】米国特許4333330(US,A)
【文献】米国特許4122699(US,A)
【文献】西独国特許出願公開2621249(DE,A1)
【文献】仏国特許出願公開1578862(FR,A1)
【文献】米国特許3304059(US,A)
【文献】米国特許4333330(US,A)
【文献】米国特許4122699(US,A)
【文献】西独国特許出願公開2621249(DE,A1)
【文献】仏国特許出願公開1578862(FR,A1)
Attorney, Agent or Firm:
Osamu Nakahira