EU: Spun Yarn From Staple Fibres Patented

Pub. Number WO 2004033773
Appl. Data NL 03000686 2003 10 10
Applicant DSM IP ASSETS B.V.
S.A. Schappe
Inventor(s) VEILLAT, Cyril, David
DIRKS, Christiaan, Henri, Peter
BONTEMPS, Guy
GUEVEL, Jean

<b>Title: Spun yarn from staple fibres</b>


The invention relates to a spun yarn made from staple fibres, which yarn consists of a single strand comprising at least 30 mass% of staple fibres that have been obtained from a precursor continuous multifilament yarn having a tensile strength of at least 16 cN/dtex; a tensile modulus of at least 700 cN/dtex; and a denier per filament of fibre of at most 18 dpf; which staple fibres have an average fibre length of between 40 and 180 mm; and essentially no crimp; and which spun yarn has a twist level characterised by an &#x3B1; twist coefficent (Koechlin law) of 60 -100 t. m -1 .(m/g) -1/2.

The invention further relates to a process for making said single-strand spun yarn, to the use of said spun yarn for making various semi-finished and end-use products, and to such products comprising the spun yarn.

Source: Micropatent LLC

April 29, 2004

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Added: April 29, 2004
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