Method of making ventilative insole

Details Method of making ventilative insole Method of making ventilative insole

2007-01-02

2007-01-02

Lee, Edmund H. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

C264S138000

Reexamination Certificate

active

10859117

ABSTRACT:
A method of making an insole has the steps: a) Prepare a mold with a cavity therein. The mold has a plurality of protrusions at a portion of a sidewall of the cavity. b) Inject a foaming material into the cavity of the mold. c) Strip the mold to get a piece material with a plurality of pores at a predetermined portion thereof. The piece material has a skin layer on a surface thereof and sidewalls of the pores and the pores form a symmetrical pattern on the piece material. d) Cut a layer of a side of the piece material off to expose ends of the pores. d) Cut the piece material to get the insole.

REFERENCES:
patent: 2287282 (1942-06-01), Tousley
patent: 3303250 (1967-02-01), Bingham, Jr.
patent: 4287143 (1981-09-01), Sears et al.
patent: 4731139 (1988-03-01), Feyerabend et al.
patent: 5141578 (1992-08-01), Yang
patent: 5308420 (1994-05-01), Yang
patent: 5318645 (1994-06-01), Yang
patent: 5350544 (1994-09-01), Bambara et al.
patent: 5560877 (1996-10-01), Yung et al.
patent: 5814254 (1998-09-01), Bisconti
patent: 5972257 (1999-10-01), Liu

Affiliated with

Also associated with

Rating

Method of making ventilative insole does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making ventilative insole, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making ventilative insole will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3794771