Title:
CONNECTOR FOR DOUBLE-LAYER TUBE
Document Type and Number:
Japanese Patent JP3280695
Kind Code:
B2
Abstract:
PURPOSE: To simply clean the inside of tube and repair tube after constructing tubes as well as simplify the construction of tubes by a connector for double- layer tube consisting of an inner tube having a drin passage and an outer tube covering the inner tube, having an air passage between the inner and outer tubes.
CONSTITUTION: The lower end of a double tube on the upstream side is connected with the upper end of double tube on the downstream side through a given interval by connecting the ends of the inner tubes 1 of these double tubes by inner couplers 3 and 5 which can be moved toward the axial direction of tube and can also be separated toward the diametral direction. The ends of the outer tubes can also be connected by using outer couplers 4 and 6 which can be moved toward the axial direction of tube and can also be separated to the diametral direction.
Inventors:
Yoshiro Koyama
Hiroshi Nishino
Sadao Sasaki
Katsuji Asano
Hiroshi Nishino
Sadao Sasaki
Katsuji Asano
Application Number:
JP9310592A
Publication Date:
May 13, 2002
Filing Date:
April 13, 1992
Export Citation:
Assignee:
Mitsubishi Plastics Co., Ltd.
International Classes:
E03C1/122; F16L39/00; (IPC1-7): E03C1/122; F16L39/00
Domestic Patent References:
| JP62185933A | ||||
| JP5012016Y1 |