Apparatus for the production of pocketed coil springs

Details Apparatus for the production of pocketed coil springs Apparatus for the production of pocketed coil springs

2005-08-02

2005-08-02

Rosenbaum, Irene Cuda (Department: 3726)

Metal working

Method of mechanical manufacture

Spring making

C029S03300H, C029S03300H

Reexamination Certificate

active

06922895

ABSTRACT:
An apparatus for the production of pocketed coil springs is disclosed. The apparatus includes a coiling section in which a coil is formed from wire fed to the coiling section, the coiling section including coiling elements, whose position and/or orientation determines the form of the coil, and an encapsulation section in which the coil is inserted between juxtaposed sheets of material and in which the sheets of material are joined together to form a pocket enclosing the coil. The apparatus further includes programmable control means operably linked to the coiling elements in such a way as to control the position and/or orientation of the coiling elements.

REFERENCES:
patent: 4112721 (1978-09-01), Takase et al.
patent: 4439977 (1984-04-01), Stumpf
patent: 5444905 (1995-08-01), St. Clair
patent: 5452598 (1995-09-01), Cheng

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