Device for applying an elastomeric filler on the bead core of a

Details Device for applying an elastomeric filler on the bead core of a Device for applying an elastomeric filler on the bead core of a

1989-05-16

1991-02-05

Schor, Kenneth M.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156136, 156460, 156422, B29D 3048

Patent

active

049902121

ABSTRACT:
The described device includes a bearing element positioned to engage a bead core and subjected to the action of a friction wheel acting in such a way as to make the bead core rotate around its own axis. Two pressure discs arranged specularly with respect to the lying median plane of the bead core act on opposite sides of a filler to apply the same on the outer peripheral chafer of the bead core while this latter is rotating. The pressure discs lie according to respective planes convergent toward the bead core and divergent in the sense of rotation of the bead core to favor the release of the filler from the pressure discs. The pressure discs are thrust on the filler through a pneumatic cylinder which exerts a constant force on an oscillating support according to an axis parallel to the bead core axis and bearing the discs themselves.

REFERENCES:
patent: 1476807 (1923-12-01), Evans et al.
patent: 1890952 (1932-12-01), Shively
patent: 3477895 (1969-11-01), Sauer
patent: 4196036 (1980-04-01), Allen et al.
patent: 4354892 (1982-10-01), Tarantola et al.
patent: 4795522 (1989-01-01), Orendorf et al.

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