EP 3688358 A1 20200805 - TUBE FOR AIR DISTRIBUTION SYSTEMS
Title (en)
TUBE FOR AIR DISTRIBUTION SYSTEMS
Title (de)
ROHR FÜR LUFTVERTEILUNGSSYSTEME
Title (fr)
TUYAU POUR SYSTÈMES DE DISTRIBUTION D'AIR
Publication
Application
Priority
- CH 11712017 A 20170925
- IB 2018057389 W 20180925
Abstract (en)
[origin: WO2020095086A1] The invention relates to a tube (1), in particular for an air distribution system in buildings or parts thereof, comprising an inner wall (2), an outer wall (4) surrounding the inner wall and an intermediate space (3) between the inner wall (2) and the outer wall (4). The intermediate space (3) is filled at least in partial regions with a sound-absorbing material (5).
IPC 8 full level
F16L 9/00 (2006.01); F16L 9/128 (2006.01); F16L 9/18 (2006.01); F16L 9/21 (2006.01); F16L 11/11 (2006.01); F16L 11/112 (2006.01); F16L 11/15 (2006.01); F16L 11/20 (2006.01); F16L 11/26 (2006.01)
CPC (source: EA EP)
A47G 29/1201 (2013.01 - EA EP); A47G 29/122 (2013.01 - EA EP); A47G 29/1225 (2013.01 - EA EP); A47G 29/141 (2013.01 - EA EP); F16L 9/003 (2013.01 - EA EP); F16L 9/128 (2013.01 - EA EP); F16L 9/18 (2013.01 - EA EP); F16L 9/21 (2013.01 - EA EP); F16L 11/111 (2013.01 - EA EP); F16L 11/112 (2013.01 - EA EP); F16L 11/15 (2013.01 - EA EP); F16L 11/20 (2013.01 - EA EP); F16L 11/26 (2013.01 - EA EP); A47G 2029/1228 (2013.01 - EA EP); A47G 2029/146 (2013.01 - EA EP); A47G 2029/148 (2013.01 - EA EP); A47G 2029/149 (2013.01 - EA EP)
Citation (search report)
See references of WO 2020095086A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020095086 A1 20200514; EA 202090840 A1 20200826; EP 3688358 A1 20200805
DOCDB simple family (application)
IB 2018057389 W 20180925; EA 202090840 A 20180925; EP 18786404 A 20180925