Device for gripping, pressing and depositing tire cores

Details Device for gripping, pressing and depositing tire cores Device for gripping, pressing and depositing tire cores

1976-04-14

1978-04-18

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156131, 269 20, B29H 1722

Patent

active

040849988

ABSTRACT:
A device for gripping, pressing and depositing a tire core upon a raw tire blank, has a supporting cylinder which is shiftable axially and which consists of two rings located side by side and having parallel annular troughs upon their inner side. The annular troughs are airtightly covered by separate rings consisting of polyesterurethane or similar tough elastic plastic material with a high E-modulus. These rings have crack zones located mirror-like symmetrically in several radial planes; they are rigid against change in shape and cross-sectionally they are adjustable as toggle joints relatively to each other. The ring zones located closest to the ring center are swingable inwardly tongs-like in radial planes by increased air pressure.

REFERENCES:
patent: 3078204 (1963-02-01), Appleby
patent: 3121653 (1964-02-01), Trevaskis
patent: 3224921 (1965-12-01), Frazier
patent: 3598673 (1971-08-01), Carutta
patent: 3721600 (1973-03-01), Cantarutti
patent: 3944456 (1976-03-01), Cantarutti

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