EP 0004604 B1 19810812 - STAIR TREAD AND METHOD FOR ITS MANUFACTURE
Title (en)
STAIR TREAD AND METHOD FOR ITS MANUFACTURE
Publication
Application
Priority
- DE 2845699 A 19781020
- DE 7809575 U 19780331
Abstract (en)
[origin: US4226065A] Stair construction and process for producing same are provided wherein at least one wooden plate is provided to form a wooden shell which constitutes the stair outer surface. A reinforcement member and filler material are disposed within the interior stair space, and a resin sealing layer is provided between the wooden plate and the filler material to seal and protect the wood from the filler composition.
IPC 1-7
IPC 8 full level
B28B 19/00 (2006.01); E04F 11/116 (2006.01); E04F 11/16 (2006.01)
CPC (source: EP US)
B28B 19/0053 (2013.01 - EP US); E04F 11/116 (2013.01 - EP US); E04F 11/16 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0004604 A1 19791017; EP 0004604 B1 19810812; AT 373331 B 19840110; AT A197479 A 19830515; US 4226065 A 19801007
DOCDB simple family (application)
EP 79100869 A 19790322; AT 197479 A 19790315; US 2472979 A 19790328