Coiling process and apparatus by radially winding a filament

Winding – tensioning – or guiding – Coil holder or support – Spool or core

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Details

156172, 156446, 242 4R, 242 714, 242 721, B65H 8104

Patent

active

043736807

ABSTRACT:
The invention discloses a process and an apparatus for coiling a member by radially winding a continuous filament on to a mandrel. It also discloses the member obtained by this process. The apparatus for coiling the filament or thread (36) consists of a fixed frame (1), a shaft (4) rotating about an axis A which is fixed with respect to the frame (1), a device for rotating shaft (4) and a rotary assembly (2) integral with shaft (4). The rotary assembly (2) consists of a chassis (8) fixed to shaft (4) and supporting structure for rotating the mandrel (10) about an axis B attached to assembly (2) and orthogonal to axis A. The shaft of axis A rotates at a higher speed compared with mandrel (10) about axis B.

REFERENCES:
patent: 3128056 (1964-04-01), Fohrbach
patent: 3963185 (1976-06-01), Quirk

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