EP 0912224 A4 19990901 - ROLLED THREADED FILTER BOWL
Title (en)
ROLLED THREADED FILTER BOWL
Title (de)
GEROLLTER SCHRAUBFILTERTROG
Title (fr)
CUVE DE FILTRE A FILETAGE ROULE
Publication
Application
Priority
- US 9700027 W 19970103
- US 1672496 P 19960502
Abstract (en)
[origin: WO9740911A1] A filter bowl (8) is disclosed. The filter bowl (8) includes an elongated canister having an open end (16), a closed end and a wall having an exterior surface (26), the exterior surface (26) having a plurality of rolled threads (24). The exterior surface (26) includes an unthreaded portion (28) disposed between the open end (16) and the plurality of rolled threads (24). The filter bowl (8) is preferably made of steel and is produced in a process including the steps of: 1) deep drawing the elongated canister, and 2) rolling threads onto the exterior surface of the canister.
IPC 1-7
IPC 8 full level
B01D 27/08 (2006.01); B01D 35/30 (2006.01)
CPC (source: EP KR)
B01D 27/08 (2013.01 - KR); B01D 35/30 (2013.01 - EP KR)
Citation (search report)
- [XY] US 3000506 A 19610919 - HULTGREN WILLIAM H
- [XY] US 3256989 A 19660621 - HULTGREN WILLIAM H
- [XY] US 3913770 A 19751021 - TARRO RICHARD E
- [XY] US 5293765 A 19940315 - NUSSBAUM-POGACNIK THOMAS E [CH]
- [Y] GB 2121696 A 19840104 - CHARLTON WILLIAM SYDNEY
- See references of WO 9740911A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 9740911 A1 19971106; AU 1357397 A 19971119; BR 9709173 A 20000111; CA 2253360 A1 19971106; CN 1080132 C 20020306; CN 1216935 A 19990519; EP 0912224 A1 19990506; EP 0912224 A4 19990901; HK 1020021 A1 20000310; JP 2000503590 A 20000328; JP 3274473 B2 20020415; KR 20000065161 A 20001106; TW 344668 B 19981111
DOCDB simple family (application)
US 9700027 W 19970103; AU 1357397 A 19970103; BR 9709173 A 19970103; CA 2253360 A 19970103; CN 97194320 A 19970103; EP 97900859 A 19970103; HK 99105265 A 19991115; JP 53885097 A 19970103; KR 19980708780 A 19981030; TW 86105866 A 19970502