Title:
管への溝形成用ローラ工具
Document Type and Number:
Japanese Patent JP2007530288
Kind Code:
A
Abstract:
A method for connecting pipe elements together end to end. The method includes providing a coupling having a plurality of segments with at least one camming surface, the segments being joined end to end by a plurality of adjustably tightenable fasteners, positioning a first and a second of the pipe elements in end to end relation, positioning the segments surrounding the ends of the pipe elements, engaging the camming surfaces on the segments with grooves on the pipe elements and tightening the fasteners so as to draw the segments toward one another. The camming surfaces slide into the grooves and move the first and second pipe elements away from one another.
Inventors:
Dole, Douglas Earl.
Application Number:
JP2007505261A
Publication Date:
November 01, 2007
Filing Date:
March 28, 2005
Export Citation:
Assignee:
Victor company
International Classes:
B21D17/04; F16L17/00; F16L17/025; F16L21/06; F16L23/08; F16L23/16; F16L35/00; F16L43/00
Domestic Patent References:
| JPH11207411A | 1999-08-03 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda