EP 0259376 A4 19900627 - CEMENT BOARD HAVING REINFORCED EDGES.
Title (en)
CEMENT BOARD HAVING REINFORCED EDGES.
Title (de)
ZEMENTPLATTE MIT VERSTÄRKTEN KANTEN.
Title (fr)
PLAQUE EN CIMENT AYANT DES BORDS RENFORCES.
Publication
Application
Priority
- US 8700155 W 19870128
- US 83170686 A 19860220
Abstract (en)
[origin: WO8704976A1] A cement board having bare surfaces and a woven mesh of reinforcing fibers (16) underlying the top, bottom, and longitudinal edge surfaces is made continuously on an improved apparatus which comprises a pair of edger rails (34) which slidably rest on a conveyor belt (12) and define the path of the cement board being made on the conveyor belt and a means (44a) for folding and pressing outer margins of the bottom mesh into the edge surfaces and the top surface.
IPC 1-7
IPC 8 full level
B32B 3/04 (2006.01); B28B 1/30 (2006.01); B28B 1/52 (2006.01); B28B 23/00 (2006.01); B28B 23/02 (2006.01); B32B 13/02 (2006.01); E04C 2/04 (2006.01); E04C 2/06 (2006.01); E04F 13/14 (2006.01)
CPC (source: EP)
B28B 23/0006 (2013.01); E04C 2/06 (2013.01)
Citation (search report)
- [A] US 1330413 A 19200210 - UTZMAN CLARENCE W
- [AD] DE 3012293 A1 19811001 - KNAUF WESTDEUTSCHE GIPS [DE]
- [A] FR 2016351 A1 19700508 - NAT GYPSUM CO
- [A] US 1654024 A 19271227 - TURNER JOHN J
- [A] EP 0154094 A2 19850911 - GEORGIA PACIFIC CORP [US]
- See references of WO 8704976A1
Designated contracting state (EPC)
AT BE DE FR IT NL SE
DOCDB simple family (publication)
WO 8704976 A1 19870827; AU 5866090 A 19901011; AU 601968 B2 19900927; AU 628187 B2 19920910; AU 7021587 A 19870909; CA 1290587 C 19911015; DE 3789744 D1 19940609; DE 3789744 T2 19941208; DE 3789744 T3 19990311; DK 164579 B 19920720; DK 164579 C 19921207; DK 544487 A 19871019; DK 544487 D0 19871019; EP 0259376 A1 19880316; EP 0259376 A4 19900627; EP 0259376 B1 19940504; EP 0259376 B2 19980715; FI 874590 A0 19871019; FI 874590 A 19871019; FI 92167 B 19940630; FI 92167 C 19941010; GB 2188271 A 19870930; GB 2188271 B 19891129; GB 8704039 D0 19870325; JP 2673927 B2 19971105; JP H0580326 B2 19931108; JP H07102677 A 19950418; JP S63502975 A 19881102; MX 168743 B 19930607
DOCDB simple family (application)
US 8700155 W 19870128; AU 5866090 A 19900703; AU 7021587 A 19870128; CA 528059 A 19870123; DE 3789744 T 19870128; DK 544487 A 19871019; EP 87901221 A 19870128; FI 874590 A 19871019; GB 8704039 A 19870220; JP 50122287 A 19870128; JP 6456993 A 19870128; MX 527987 A 19870219