Title:
引抜き加工のために管端部を準備する装置
Document Type and Number:
Japanese Patent JP6726353
Kind Code:
B2
Abstract:
An apparatus for preparing a tube end for rod drawing with a floating mandrel has a releasable holder for the tube end centered on an axis, a frustoconical and spreadable floating mandrel, and a device for inserting the mandrel into the tube end and spreading the mandrel to flare the tube end. The apparatus further has a feed mechanism for inserting the floating mandrel into the tube end and/or a deforming device for making at least one indentation in the tube for holding the floating mandrel.
Inventors:
Hardy Jungen
Thomas winterfeld
Thomas winterfeld
Application Number:
JP2019503326A
Publication Date:
July 22, 2020
Filing Date:
July 21, 2017
Export Citation:
Assignee:
SMS Group Gezelshaft Mito Beschlenktel Haftung
International Classes:
B21C1/34; B21C1/24; B21D39/00; B21D39/20; B21D41/02
Domestic Patent References:
| JP2030339A | ||||
| JP61219418A | ||||
| JP48020983B1 |
Foreign References:
| US1982544 | ||||
| DE19756293A1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Morita Taku
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima