Method of retreading a tire including tire diameter foreshorteni

Details Method of retreading a tire including tire diameter foreshorteni Method of retreading a tire including tire diameter foreshorteni

1978-06-27

1979-10-30

Flint, Jr., J. Howard

Plastic and nonmetallic article shaping or treating: processes

Repairing or restoring consumer used articles for reuse

425 21, 425 58, 425 23, 264315, B29H 504

Patent

active

041728688

ABSTRACT:
This disclosure relates to a method of retreading a tire by inserting a tire and an annular bladder between a pair of open matrices with marginal portions of the bladder projecting beyond beads of the tire and resting upon peripheral edge portions of axially opposed bead aligner wheels; the annular bladder being disposed within the tire; inflating the bladder to form an annular vacuum gap between an annular terminal edge of each bladder marginal portion, an annular outboard portion of each bladder and opposing annular portions of the bead aligner wheel peripheral edge portions; radially foreshortening the tire by moving the bead aligner wheels away from each other while the tire is held thereon by the bladder, and thereafter closing the matrices, and further inflating the bladder to urge the tire into intimate conformity with the matrices.

REFERENCES:
patent: 2407806 (1946-09-01), Arnold et al.
patent: 2475579 (1949-07-01), Napier
patent: 2712156 (1955-07-01), Potter et al.
patent: 2723425 (1955-11-01), Mattox et al.
patent: 2835921 (1958-05-01), White
patent: 2915783 (1959-12-01), Fassero et al.
patent: 3184794 (1965-05-01), Sherkin
patent: 3701615 (1972-10-01), Johnson
patent: 3729358 (1973-04-01), Barefoot
patent: 3770858 (1973-11-01), Ireland et al.
patent: 3793420 (1974-02-01), Fredricks et al.

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