US 7,603,946 B2
Pressurization device
Vanni Zacche', Parma (Italy); Alessandro Gorbi, Parma (Italy); Massimiliano Dal Cielo, Parma (Italy); and Phuchakr Pringpuangkeo, Parma (Italy)
Assigned to Sidel S.p.A., Parma (Italy)
Appl. No. 10/492,957
PCT Filed Oct. 23, 2001, PCT No. PCT/IT01/00538
§ 371(c)(1), (2), (4) Date Nov. 22, 2004,
PCT Pub. No. WO03/035120, PCT Pub. Date May 01, 2003.
Prior Publication US 2005/0072319 A1, Apr. 07, 2005
Int. Cl. A61L 2/00 (2006.01); A23L 3/015 (2006.01)
U.S. Cl. 99—452  [99/460; 99/467; 422/295; 422/292] 19 Claims
OG exemplary drawing
 
1. Pressurization device for high hydrostatic pressure comprising a casing provided with a closure and housing a pressurization chamber, the device being provided with pressurization means for putting the pressurization chamber under pressure, characterized in that the pressurization chamber is sealed by means of a plurality of annular seals arranged in series on the lateral surface of the pressurization chamber at predetermined relative distances which are correlated with the coefficient of compressibility of the liquid filling the pressurization chamber.