To provide a cushion simplifying a manufacturing process, preventing air leakage from air passages and blockage of the air passages and eliminating the use of a large quantity of solvent when forming the air passage.
This cushion includes a plurality of communicating tubes PA and a plurality of joint members 100 connected to the axial ends of the communicating tubes, each joint member 100 is inserted into each bottom member 30 of a base member 10 from circumferential, the communicating tube PA is inserted into a communicating tube connecting portion 102 of the joint member 100 in the substantially horizontal direction, and each axial end of the communicating tube PA is connected to the joint member 100 to easily dispose the each communicating tube PA along the lower surface of the base member 10. The communicating tube PA is connected to the joint member 100 and the joint member 100 is inserted into the bottom member 30 of the base member 10 from below to surely form each air passage for supplying air to each air cell 40.
| JP2008054874A | 2008-03-13 | |||
| JP2007159981A | 2007-06-28 | |||
| JPH0648640U | 1994-07-05 | |||
| JP2002315796A | 2002-10-29 | |||
| JP2005087747A | 2005-04-07 |
Yukio Nagauchi
Junichiro Yanagi
Next Patent: INSOLE AND USAGE THEREOF