Invention Grant
- Patent Title: Manufacture of polyurethane foam ball
- Patent Title (中): 聚氨酯泡沫球的制造
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Application No.: US12174208Application Date: 2008-07-16
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Publication No.: US07985779B2Publication Date: 2011-07-26
- Inventor: Johannes C. Vleghert
- Applicant: Johannes C. Vleghert
- Applicant Address: US DE Wilmington
- Assignee: Invista North America S.A.R.L.
- Current Assignee: Invista North America S.A.R.L.
- Current Assignee Address: US DE Wilmington
- Main IPC: C08G18/38
- IPC: C08G18/38
Abstract:
The present invention relates to a novel method for manufacturing a cellular elastomeric polyurethane foam ball. The product polyurethane foam ball may be used as a core for a tennis ball which meets ITF specifications for tennis balls, including weight, diameter, bound, forward deformation and return deformation.
Public/Granted literature
- US20090023525A1 MANUFACTURE OF POLYURETHANE FOAM BALL Public/Granted day:2009-01-22
Information query
