Title:
【発明の名称】リブ付管用の結合
Document Type and Number:
Japanese Patent JPH06503148
Kind Code:
A
Abstract:
PCT No. PCT/CA91/00215 Sec. 371 Date Jul. 22, 1993 Sec. 102(e) Date Jul. 22, 1993 PCT Filed Jun. 14, 1991 PCT Pub. No. WO92/11485 PCT Pub. Date Jul. 9, 1992.Lengths of ribbed tube (10) having ribs which upstand appreciably from the main body of the tube may be coupled together using novel coupling ends (12, 112 and 14, 114, 214) of the tube. Alternatively, such ribbed tube may be coupled to plain walled tube (100). The lengths of tube are provided with first and second cuffed ends, the first end being a smooth walled cuff having a cuff having only shallow ribs reduced height and the second end being belled to couple with a first end of another tube or with plain walled tube smooth first end and the billed second end may be formed to respective outer and inner diameters for good sealing between them.
Inventors:
Ryupke, Stefan A.
Application Number:
JP51001491A
Publication Date:
April 07, 1994
Filing Date:
June 14, 1991
Export Citation:
Assignee:
Ryupke, Stefan A.
International Classes:
F16L47/06; F16L47/08; B29C48/09; B29C48/13; (IPC1-7): F16L47/06
Attorney, Agent or Firm:
Jiro Ohara (1 outside)