Mandrel for fabricating an air spring

Details Mandrel for fabricating an air spring Mandrel for fabricating an air spring

1976-08-24

1977-11-08

Abercrombie, Willie G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

242 72B, 279 2A, B23B 3140, B29H 1722

Patent

active

040574547

ABSTRACT:
Two embodiments of a mandrel for fabricating an air spring are disclosed. Each has a fixed diameter cylindrical portion and a portion variable in diameter to provide an extension of the cylindrical surface expandable to conic form. An array of fingers are pivotally secured to swing in radial planes to provide the variable diameter portions and are actuated by inflatable sleeves. The fingers are notched to provide a locating groove for the wire ring at the end of the air spring. Ply endings are folded about the wire ring by a second inflatable sleeve or bladder.

REFERENCES:
patent: 2882061 (1959-04-01), Johnson
patent: 2971562 (1961-02-01), Hollis
patent: 3018518 (1962-01-01), Jefferys
patent: 3173821 (1965-03-01), Trevaskis

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