Title:
METHOD OF MAKING AN INNER BLADDER FOR SPORTS BALL
Document Type and Number:
WIPO Patent Application WO/2009/079918
Kind Code:
A1
Abstract:
A method of making an inner bladder (1) for sports ball includes the following steps: providing an inflated inner bladder (1), applying an adhesive (20) to a fiber, winding the fiber on the inner bladder (1) to form a first reinforcing layer (2), and providing a second reinforcing layer (4) on the said first reinforcing layer (2).
Inventors:
CHENG YUNG PUN (CN)
Application Number:
PCT/CN2008/001949
Publication Date:
July 02, 2009
Filing Date:
December 01, 2008
Export Citation:
Assignee:
CHENG YUNG PUN (CN)
International Classes:
A63B45/00; A63B41/02; B29D22/02
Foreign References:
US4191375A | 1980-03-04 | |||
CN2865784Y | 2007-02-07 | |||
CN1151910A | 1997-06-18 | |||
CN2415793Y | 2001-01-24 | |||
US20040053717A1 | 2004-03-18 | |||
CN1962075A | 2007-05-16 |
Attorney, Agent or Firm:
JEEKAI & PARTNERS (Jinyu TowerA129 West Xuan Wu Men Street, Beijing 1, CN)
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