Device for producing filaments

Details Device for producing filaments Device for producing filaments

2007-01-02

2007-01-02

Del Sole, Joseph S. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S464000, C425S466000, C425S382200

Reexamination Certificate

active

10866641

ABSTRACT:
A device for producing filaments, in particular, from a thermoplastic polymer, wherein the filaments emerge from the spinneret openings of a spinneret plate. A distribution device is provided for distributing the molten polymer being supplied over a preliminary spinning width. At least one exchangeable distribution plate with several distribution openings that are distributed over the spinning width is arranged downstream of the distribution device. The exchangeable spinneret plate is arranged downstream of the distribution plate, wherein said spinneret plate contains spinneret channels that are distributed over the final spinning width. The spinning width defined by the distribution openings is smaller or larger than the preliminary spinning width, and the preliminary spinning width can be reduced or enlarged to the final spinning width with the aid of the distribution plate. The desired final spinning width can be adjusted by exchanging the distribution plate.

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patent: 5344297 (1994-09-01), Hills
patent: 5397227 (1995-03-01), Hodan et al.
patent: 5935291 (1999-08-01), Kim et al.
patent: 0 677 600 (1995-10-01), None
patent: 1 304 401 (2003-04-01), None
patent: 0 626 471 (2004-11-01), None

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