The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 2007
Filed:
Sep. 29, 2003
Keiji Moriyama, Kobe, JP;
Takashi Sasaki, Kobe, JP;
Akira Kato, Kobe, JP;
Tsutomu Hirau, Kobe, JP;
Masaaki Kikuchi, Kobe, JP;
Keiji Moriyama, Kobe, JP;
Takashi Sasaki, Kobe, JP;
Akira Kato, Kobe, JP;
Tsutomu Hirau, Kobe, JP;
Masaaki Kikuchi, Kobe, JP;
SRI Sports Limited, Kobe, JP;
Abstract
A golf ball is provided which contains a core and a cover. In the forming of the cover, two half shells made from a thermoplastic resinous composition are used to cover the core, the composite is put in a spherical mold, then, the mold is clamped. Thereafter, the thermoplastic resin where it is heated and pressurized at a pressure of 5 kgf/cmto 50 kgf/cm, and the excess thermoplastic resin composition flows out of the spherical cavity. Subsequently, the thermoplastic resin composition is heated in the spherical cavity and is pressurized at a pressure of 70 kgf/cmor more whereby the cover is formed. The total volume of the two half shells is 105% to 120% of the volume of the cover.