Patent · US Expired

Device for sheathing a filiform material with a molten substance

US5571326A · kind A · utility

18Cited by
11References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1993
Grant dateNov 5, 1996
Priority date
Expiry dateNov 30, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S118/18
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a device for coating a thread with a thermoplastic organic material. This device, which is mounted in the manner of a cross head at the end of an extruder, comprises an inlet aperture followed by a hollow punch, of which the conduit opens into a central duct, the said duct being connected to the extruder by way of a supply chamber, part of this device being movable or removable, and displacement of the said part enabling the said device to be opened and closed along its entire height, from its periphery to its axis. Application to the production of composite products.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.