Tubular ferrule

Details Tubular ferrule Tubular ferrule

1973-06-04

1977-07-12

Askin, Laramie E.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

16108, 140 76, 174 87, H01R 510

Patent

active

040355772

ABSTRACT:
An improved tubular ferrule which may be employed in a wire connector or the like comprises a helical coil of closely wound turns of generally elongate tubular form with each of the turns of the coil being bonded to an adjacent turn to form a crimpable tubular structure having an undulating interior surface and readily adaptable for use as an electrical connector or the like. The individual turns of the coil may be bonded to one another either by the selective application of a bonding material to the coil or by pre-coating the wire with a preferably heat responsive fusible material and subjecting the coil to a heating operation to fuse the turns together. Wire having a circular, rectangular, or other suitable cross section may be employed and selectively oriented to provide a variety of selective interior and exterior surface configurations. The wire may be pre-worked, prior to winding, to provide sharp protrusions thereon to enhance the engagement between the ferrule and external parts joined thereto.

REFERENCES:
patent: 9369 (1852-11-01), Richards
patent: 254559 (1882-03-01), Lothrop
patent: 2093810 (1957-09-01), Karmazin
patent: 3110755 (1963-11-01), Esser
patent: 3497607 (1970-02-01), Swanson
patent: 3616532 (1971-11-01), Beck

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