Firestone Automatic Curing Molds

Firestone Automatic Curing Molds Advertising


Stock #: 469474
Type: Postcard
Era: Linen
Publisher: R. R. Donnelley & Sons
Size: 3.5" x 5.5" (9 x 14 cm)
Additional Details:
After all the component parts of the tire have been assembled - high stretch gum-dipped cords - plies - beads - two extra gum-dipped cord plies under the tread - and the tread rubber itself - the tire is placed in a gigantic curing mold. In this final important operation, the tire is forced by 43 tons pressure into the Firestone non-skid tread pattern engraved in the steel mold ad vulcanized by steam at 270 deg. F.

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