Title:
METHOD OF FORMING AN INTERNAL TUBE BEADLOCK
Document Type and Number:
WIPO Patent Application WO/2012/092477
Kind Code:
A3
Abstract:
A unique tube punch forming die assembly and process is disclosed for forming a bead lock on a malleable fluid conveyance tube (20) which provides for the attachment of a fluid connector (30) to the tube. The fluid connector is held in the tube punch forming die (40) constituting a die assembly where a forming groove is machined in the internal cavity of the fluid connector for forming a bead lock within the inside the fluid connector when the punch forming die is compressed into the tube. The tube is first inserted into the punch forming die, then the die is punched to buckle the tube to form a bead lock in the tube inside the fluid connector as the end of the tube held in a cylindrical support ring.
Inventors:
ARN MICHAEL GARY (US)
Application Number:
PCT/US2011/067820
Publication Date:
August 23, 2012
Filing Date:
December 29, 2011
Export Citation:
Assignee:
EATON CORP (US)
ARN MICHAEL GARY (US)
ARN MICHAEL GARY (US)
International Classes:
B21D17/02; F16L13/14
Foreign References:
| US3778090A | 1973-12-11 | |||
| US4805945A | 1989-02-21 | |||
| US2477676A | 1949-08-02 | |||
| GB2024973A | 1980-01-16 | |||
| US4104902A | 1978-08-08 |
Attorney, Agent or Firm:
UTHOFF, Loren, H. et al. (Fishman & Grauer PLLC39533 Woodward Avenue, Suite 14, Bloomfield Hills MI, US)
Download PDF: