Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Patent
1992-06-24
1994-02-22
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
156116, 1564216, 2643283, 264DIG46, 264259, 425543, 425DIG13, B29C 4516, B29D 3072
Patent
active
052884490
ABSTRACT:
A device for producing raised lettering on elastomeric tires is provided. The device includes a mold member sized and shaped to receive at least a portion of the sidewall of an elastomeric tire. A channel is disposed along the interior surface of the mold member. A plurality of insert members for positioning in the channel are provided with each insert member having a face engraved with the mirror image of a pre-selected alpha-numeric symbol to form a female alpha-numeric mold therein. A tracking mechanism is positioned along the channel to align and positionally maintain the insert members therein to form a series of symbols into a preselected legend or marking. Finally, a mechanism is provided for injecting heated vulcanizing rubber into the symbol molds as the sidewall of the elastomeric tire is in contact with the faces of the insert members and to fuse the injected rubber to the sidewall to produce raised alpha-numeric lettering of a preselected pattern on the sidewall of the tire.
REFERENCES:
patent: 4041652 (1977-08-01), Graven et al.
patent: 4139592 (1979-02-01), Gallizia
patent: 4317479 (1982-03-01), McDonald
patent: 4318436 (1982-03-01), Shurman
patent: 4604256 (1986-08-01), Greenwood et al.
Isaac John L.
Thurlow Jeffery
Vargot Mathieu
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