Title:
TABLE TENNIS BALL WITH SEAMLESS WHOLE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2010/111920
Kind Code:
A1
Abstract:
A table tennis ball includes a hollow and sealed spherical shell (1) formed in one piece, and is provided with a continuous interior surface (3). The spherical shell (1) is a seamless whole and provided with a substantively uniform thickness of wall. The method for manufacturing the table tennis ball is formed in one piece by rotational moulding.
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Inventors:
ZHANG HUILUN (CN)
Application Number:
PCT/CN2010/071260
Publication Date:
October 07, 2010
Filing Date:
March 24, 2010
Export Citation:
Assignee:
ZHANG HUILUN (CN)
International Classes:
A63B39/00; A63B45/00; B29C41/06; B29D22/04; B29L31/54
Foreign References:
| CN101585224A | 2009-11-25 | |||
| JPS56130328A | 1981-10-13 |
Other References:
ZHANG, HUIXI. ET AL.: "Rotational Moulding Of Plastics Products: Rotational Moulding.", CHINA PACKAGING., vol. 18, no. 05, October 1998 (1998-10-01), pages 94 - 96
"The PC of the Rotomolding Committee of China Plastics Processing Industry.", DEVELOPMENT OF OTATIONAL MOULDING TECHNOLOGY AT HOME AND ABROAD WORLD PLASTICS., vol. 22, no. 12, December 2004 (2004-12-01), pages 34 - 36
"The PC of the Rotomolding Committee of China Plastics Processing Industry.", DEVELOPMENT OF OTATIONAL MOULDING TECHNOLOGY AT HOME AND ABROAD WORLD PLASTICS., vol. 22, no. 12, December 2004 (2004-12-01), pages 34 - 36
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (Corporate SquareNo.35 Jinrong Street, Beijing 3, CN)
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