EP 0167947 A3 19870204 - DEVICE FOR MAKING FOAM
Title (en)
DEVICE FOR MAKING FOAM
Publication
Application
Priority
DE 3425078 A 19840707
Abstract (en)
[origin: EP0167947A2] 1. Apparatus for producing foam from liquid and gaseous components, such as water, air and foaming agents, as well as optionally active substances with an elongated, tubular foam generator (16, 16a) with an inlet chamber (39), at least one foam generating device (38) and an outlet (44) ; supply means (18, 19, 20) for supplying the components to the inlet chamber (39) ; and an outlet section (45), which terminates in at least one outlet port (17) and is connected to outlet (44), the foam generator (16, 16a) having several foam generating chambers (38, 39, 40) arranged successively in the flow direction (57), whose separating elements (37, 37a, 37b, 59) define numerous foam-generating openings (56), characterized in that the area and/or number of the openings (56) increase in the flow direction (57).
IPC 1-7
IPC 8 full level
CPC (source: EP)
B01F 23/235 (2022.01); B01F 25/45242 (2022.01)
Citation (search report)
- [X] US 3604630 A 19710914 - CONTI NICK
- [A] EP 0011381 A1 19800528 - UNION CARBIDE CORP [US]
- [A] GB 2060420 A 19810507 - HAMPTONNS AERCRETE LTD
- [A] GB 1306020 A 19730207
- [A] US 3827888 A 19740806 - TINNEY J, et al
- [A] US 3270966 A 19660906 - ACKLEY JOHN W
- [A] US 4231520 A 19801104 - WALDRUM JOHN E
- [A] US 3128048 A 19640407 - DENURE JESSE V
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0167947 A2 19860115; EP 0167947 A3 19870204; EP 0167947 B1 19900314; AT E50924 T1 19900315; DE 3425078 A1 19860206; DE 3576463 D1 19900419
DOCDB simple family (application)
EP 85108068 A 19850628; AT 85108068 T 19850628; DE 3425078 A 19840707; DE 3576463 T 19850628