Title:
JOINT MEMBER, PIPE CONNECTOR AND VALVE GEAR
Document Type and Number:
Japanese Patent JP2019173915
Kind Code:
A
Abstract:
To provide a joint member enabling both a pipe connector and a valve device to be easily manufactured and further enabling in particular a winding for a heating wire at a folding to be easily carried out.SOLUTION: A joint member 1 has a member main body 2 and a heating wire 3. The member main body includes a first helical groove 24 formed in a helical manner from one side toward the other side; a second helical groove 25 formed in a helical manner from one side toward the other side; and a folding part 26 for connecting the first helical groove and the second helical groove. The folding part comprises a hole part communicated with the first helical groove and the second helical groove, and a pin fitted in such a way that it can be pulled out or inserted against the hole part. The heating wire is wound along the first helical groove from one side of the member main body toward the other side, wound at an outer periphery of the pin member at the folding part, folded back toward the second helical groove, wound along the second helical groove from the other side toward one side and arranged to come to one side of the member main body.SELECTED DRAWING: Figure 2
Inventors:
NIWA HIROKAZU
Application Number:
JP2018064517A
Publication Date:
October 10, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
F16L47/03