Invention Grant
- Patent Title: Tire mold with air vent inserts
- Patent Title (中): 轮胎模具带排气孔
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Application No.: US517092Application Date: 1983-07-25
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Publication No.: US4447197APublication Date: 1984-05-08
- Inventor: Donald R. Bartley , James M. Haase
- Applicant: Donald R. Bartley , James M. Haase
- Applicant Address: OH Akron
- Assignee: The B. F. Goodrich Company
- Current Assignee: The B. F. Goodrich Company
- Current Assignee Address: OH Akron
- Main IPC: B29C33/10
- IPC: B29C33/10 ; B29H5/02
Abstract:
A tire mold having air venting passages or holes is provided with plastic inserts or plugs for the vent holes along the cavity side of the mold. The inserts are composed of a plastic material having a heat distortion temperature of no less than 275.degree. F. at 66 psi in accordance with ASTM D648 and a coefficient of thermal expansion less than 8.times.10.sup.-5 in/in/.degree.C.
Public/Granted literature
- US5663883A Rapid prototyping method Public/Granted day:1997-09-02
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