Stock material or miscellaneous articles – Sheet facing and longitudinally noncoextensive with web or... – Sheet smaller in both length and width
Patent
1989-07-14
1992-08-18
Thomas, Alexander S.
Stock material or miscellaneous articles
Sheet facing and longitudinally noncoextensive with web or...
Sheet smaller in both length and width
428175, 428217, 428 63, 152367, 152370, 156 97, B29C 7300, B29C 7306
Patent
active
051398400
ABSTRACT:
A trapezoidally-shaped rubber patch for patching the sidewall of a radial-ply tire with broken or damaged cords. The rubber patch has a first layer of rubber containing radial metallic cords and at least one second layer of rubberized fabric with synthetic cords under the first layer. Beneath the second layer is at least one third layer of rubber. The patch has a knurled attachment surface for attaching it to a coresponding knurled tire attachment surface. The rubber patch also has a trapezoidally-shaped rubber plug extending outwardly from the attachment surface. The rubber plug fits into a window which is cut in the sidewall of the tire in the area of the broken or damaged cords. The first layer of rubber is raised with respect to the attachment surface. The first layer of rubber is as wide as the base of the plug in the area beneath it.
REFERENCES:
patent: 4285382 (1981-08-01), DiRocco et al.
patent: 4399854 (1983-08-01), Dirocco et al.
patent: 4836930 (1989-06-01), Hill
R.F.P. S.r.l. - Ricostruzione Fascia Prestampata
Thomas Alexander S.
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