Global Patent Index - EP 1321554 A1

EP 1321554 A1 2003-06-25 - Insulation material

Title (en)

Insulation material

Title (de)

Isolations-Material

Title (fr)

Materiau d'isolation

Publication

EP 1321554 A1 (DE)

Application

EP 02022994 A

Priority

DE 10163576 A

Abstract (en)

An insulation material for sound wave absorption and for thermal insulation containing thermoplastic staple fibers as matrix fibers and thermoplastic adhesive melt fibers containing a mechanically and thermally strengthened nonwoven, where the nonwoven has a ratio Vair to Vfiber exceeding 40:1, where V = volume, a weight related flexural stiffness of less than 0.5, and a separating strength of at least 3N/5 cm.

Abstract (de)

Isolations-Material zur Absorption von Schallwellen und zur thermischen Isolierung aus thermoplastische Stapelfasern enthaltendem mechanisch und thermisch verfestigtem Vliesstoff. Der Vliesstoff des Isolations-Materials hat ein Volumen-Verhältnis von größer 40 : 1 zwischen Luft und Faserstoff, besitzt ein gewichtsbezogenes Biegesteifigkeitsverhältnis von kleiner 0,5 und hat eine Trennfestigkeit von mindestens 3N/5cm.

IPC 1-7 (main, further and additional classification)

D04H 1/54; D04H 1/42; D04H 1/44; D04H 1/46; E04B 1/74; E04B 1/78

IPC 8 full level (invention and additional information)

D04H 1/46 (2012.01); D04H 1/54 (2012.01); D04H 1/55 (2012.01); E04B 1/88 (2006.01); E04B 1/76 (2006.01)

CPC (invention and additional information)

D04H 1/55 (2013.01); D04H 1/46 (2013.01); D04H 1/54 (2013.01); E04B 1/88 (2013.01); E04B 2001/7687 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

DOCDB simple family

EP 1321554 A1 20030625; EP 1321554 B1 20110629; AT 514808 T 20110715; DE 10163576 A1 20030717; DE 10163576 B4 20060720