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IT1233893B - Looped filament matting mfg. - Google Patents

Looped filament matting mfg.

Info

Publication number
IT1233893B
IT1233893B IT8967426A IT6742689A IT1233893B IT 1233893 B IT1233893 B IT 1233893B IT 8967426 A IT8967426 A IT 8967426A IT 6742689 A IT6742689 A IT 6742689A IT 1233893 B IT1233893 B IT 1233893B
Authority
IT
Italy
Prior art keywords
filament
filaments
speed
sinks
looped
Prior art date
Application number
IT8967426A
Other languages
Italian (it)
Other versions
IT8967426A0 (en
Inventor
Yamanaka Minoru
Amawa Tetsuo
Original Assignee
Risuron Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Risuron Kk filed Critical Risuron Kk
Priority to IT8967426A priority Critical patent/IT1233893B/en
Publication of IT8967426A0 publication Critical patent/IT8967426A0/en
Application granted granted Critical
Publication of IT1233893B publication Critical patent/IT1233893B/en

Links

Landscapes

  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

The matting of looped filaments is developed from an initial filament looping build-up (A) with a low density of a number of extruded filaments (2a) of thermoplastic material, from a spinarette (1). The jet openings are displaced from each other longitudinally and laterally, and filaments are held on the surface of boiling water to keep the filament temp. close to the melting temp. The filament bundle (2a) drops vertically to the water and then sinks at a controlled speed less than the extrusion speed. At the same time, a further thermoplastic layer (B) of a higher density is fed by a conveyor (4) at a speed matching the sinking speed of the first filament supply. At the end of the conveyor (4), the second feed (B) sinks in the cooling water on the outer side of the other looped filaments (A) so that they bond together at their contact surfaces.
IT8967426A 1989-05-31 1989-05-31 Looped filament matting mfg. IT1233893B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8967426A IT1233893B (en) 1989-05-31 1989-05-31 Looped filament matting mfg.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8967426A IT1233893B (en) 1989-05-31 1989-05-31 Looped filament matting mfg.

Publications (2)

Publication Number Publication Date
IT8967426A0 IT8967426A0 (en) 1989-05-31
IT1233893B true IT1233893B (en) 1992-04-21

Family

ID=11302289

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8967426A IT1233893B (en) 1989-05-31 1989-05-31 Looped filament matting mfg.

Country Status (1)

Country Link
IT (1) IT1233893B (en)

Also Published As

Publication number Publication date
IT8967426A0 (en) 1989-05-31

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940526