Title:
HEATING HOSE FOR HOT MELT ADHESIVE COATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/187627
Kind Code:
A1
Abstract:
The present invention maintains, on the occasion of detachably providing an inner tube inside a main body tube, the inner tube and an end of the main body tube in a robust fixed state in order to prevent stretching/deformation of the inner tube. This heating hose for a hot melt adhesive coating device comprises a heater which is provided with an end fixing jig integrated with the end of the main body tube having both ends respectively connected to a supply source and a coating unit via connection metal fittings, and which supplies, to a coating unit, a hot melt adhesive that has been supplied from the supply source as a liquid (fluid body) by being heated and melted, while maintaining the liquid (fluid body), wherein the inner tube is inserted into the main body tube, an end extending part of the inner tube is positioned in the end fixing jig and a connection jig, and a cylindrical pipe is inserted into the end and the end extending part of the inner tube. The end fixing jig and the connection jig are detachable via a bag nut. An O-ring interposed between the end fixing jig and the connection jig is caused to protrude to the inside of the inner tube.
Inventors:
HIDAKA SHOJI (JP)
YAMAJI HIROYUKI (JP)
YAMAJI HIROYUKI (JP)
Application Number:
PCT/JP2021/014421
Publication Date:
September 23, 2021
Filing Date:
March 17, 2021
Export Citation:
Assignee:
SUN TOOL CORP (JP)
International Classes:
B05C11/10; F16L35/00; F16L53/38; F16L58/18
Foreign References:
| JP2019089056A | 2019-06-13 | |||
| JP2003011224A | 2003-01-15 | |||
| JP2017205716A | 2017-11-24 |
Attorney, Agent or Firm:
OKUMURA, Fumio (JP)
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