EP 0041699 A3 19820526 - CLEANING BODIES FOR THE INTERNAL CLEANING OF TUBE HEAT EXCHANGERS
Title (en)
CLEANING BODIES FOR THE INTERNAL CLEANING OF TUBE HEAT EXCHANGERS
Publication
Application
Priority
DE 3021699 A 19800610
Abstract (en)
[origin: EP0041699A2] Cleaning bodies made of sponge rubber elements for the internal cleaning of tubes, in particular steam power station condensers, in which the sponge rubber element is constructed as a sponge rubber cylinder having a length to diameter ratio in the range from 1.1 to 1.5. <IMAGE>
IPC 1-7
IPC 8 full level
B08B 9/04 (2006.01); B08B 9/053 (2006.01); F28G 1/12 (2006.01)
CPC (source: EP)
B08B 9/0552 (2013.01); B08B 9/0553 (2013.01); F28G 1/12 (2013.01)
Citation (search report)
- [X] DE 2448608 A1 19760422 - OIL STATES RUBBER CO
- [Y] US 3403418 A 19681001 - KNAPP MARY M, et al
- [Y] US 3204274 A 19650907 - KNAPP MARY M
- [A] FR 2343979 A1 19771007 - KOPP IND PIPELINE SERVICE [DE]
- [A] DE 2059083 A1 19720622 - GIRARD HARRY J
Designated contracting state (EPC)
FR GB IT
DOCDB simple family (publication)
EP 0041699 A2 19811216; EP 0041699 A3 19820526; DE 3021699 A1 19820128; DE 3021699 C2 19821014; JP S5726398 A 19820212
DOCDB simple family (application)
EP 81104313 A 19810604; DE 3021699 A 19800610; JP 8796981 A 19810608