Title:
パイプ溝切デバイス
Document Type and Number:
Japanese Patent JP7013583
Kind Code:
B2
Abstract:
A device for forming a circumferential groove in a pipe element, said device comprising: a pinion fixed against rotation about a pinion axis arranged coaxially with said pinion; a carriage surrounding said pinion, said carriage being rotatable about said pinion axis and defining an opening arranged coaxially with said pinion axis for receiving said pipe element; a plurality of gears mounted on said carriage, each said gear being rotatable relatively to said carriage about a respective gear axis, each said gear engaging with said pinion; a plurality of cam bodies, each said cam body mounted on a respective one of said gears; a plurality of first cam surfaces, each one of said first cam surfaces extending around a respective one of said cam bodies and engageable with said pipe element received within said opening, each one of said first cam surfaces comprising a region of increasing radius, each one of said first cam surfaces comprising a first discontinuity of said first cam surface.
Inventors:
Doll, Douglas Earl.
Application Number:
JP2020533187A
Publication Date:
January 31, 2022
Filing Date:
December 12, 2018
Export Citation:
Assignee:
Victor Rick Company
International Classes:
B21D41/00; F16H1/06; F16H25/14; F16H53/00; F16H55/08
Domestic Patent References:
| JP4339527A | ||||
| JP48031825B1 |
Foreign References:
| US20170151596 | ||||
| US4043161 | ||||
| US4143535 |
Attorney, Agent or Firm:
Shusaku Yamamoto
Morishita Natsuki
Morishita Natsuki