BOWLING PIN AND MANUFACTURING METHOD THEREOF
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 8, 2010
app pub date -
May 8, 2007
filing date -
May 9, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
is formed by filling a synthetic resin softer than a synthetic resin for forming the core material into the circumferential groove, an upper cap is mounted on the upper hollow portion and a lower cap is mounted on the lower hollow portion, a projecting portion of the upper cap is inserted into a recessed portion of an upper mold thus forming an upper engaging portion, a pin of a lower mold is inserted into a recessed portion of the lower cap thus forming a lower engaging portion, the core material is vertically fixed to the inside of the cavity while maintaining a gap around the core material, and a molten resin is injected into the gap through a gate thus covering the upper and lower caps, the resilient strip and the core material with the skin portion.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully