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:
Nov. 10, 1998
Filed:
Feb. 27, 1997
Thomas H Grimm, Menlo Park, CA (US);
OddzOn Products, Inc., Campbell, CA (US);
Abstract
A method of forming a ball-shaped unit including (1) molding an inner core subunit from a high-resilience, polyurethane foam material, (2) lining the wall of a mold cavity which is larger than such a formed inner core subunit with a thin film of an outer, skin-forming material--preferably a water-based, pigmented, acrylic emulsion, barrier release coating for urethane foam, (3) suspending the inner core subunit generally centrally within and circumsurroundedly spaced from the lined mold cavity wall, (4) filling the space intermediate the inner core subunit and the lined mold cavity wall with a soft, slow-return, polyurethane material thus to form an outer core subunit which encases the inner core subunit and which is encased by the skin-forming material, and (5) removing from the mold cavity, in the form of the desired ball-shaped unit, the assembly including the inner and outer core subunits and the skin-forming material.