PatentVote.com: Vote on your favourite invention!

Next ten patents ordered by date:
Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh 

 

Title: Liquid transferring device

Abstract: This invention relates to improvements in a liquid transferring device, in particular for molten metals, of the type comprising an inverted U-shaped siphon connected with a crucible to form a hydraulic circuit having one or more liquid inlet openings and connectable to at least one source of vacuum and at least one source of pneumatic pressure in order to suck the liquid into the crucible and then push the same through the hydraulic circuit and prime the siphon. The improvement comprises a degassing chamber located at the siphon bight and maintained under a pre-established negative pressure during the transferring operation.


Do you think this is a good invention? Vote now:

 Votes so far: For:(0) Against:(0)
Other info:


Inventors: Colombani, Piero

Application Number: 876292
Filing Date: 1978-02-08
Publication_date: 1979-12-18
Assignee:
Primary Class(es): 222/590 164/63, 164/253, 222/595
Other Classes:
US Patent Ref:
2893860Jul, 1959Lorenz164/61.
3558121Jan, 1971Lenne164/437.
3776439Dec, 1973Settle164/437.
3834587Sep, 1974Bengt et al.222/595.
3921859Nov, 1975Colombani222/204.

Other Refs: 1001134
Aug, 1965GB

Primary Examiner: Scherbel, David A.
Assistant Examiner:
Attorney: Millen & White