The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7096774 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 29, 2006

Filed:

Nov. 07, 2001
Applicant:

Keijo Hellgren, Västerås, SE;

Inventor:

Keijo Hellgren, Västerås, SE;

Assignee:

Avure Technologies AB, Vasteras, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B 1/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A high pressure press for treatment of substances such as food includes a floating piston in a pressure chamber, with seals. The floating piston has drainage system for collecting any pressure fluid that leaks past a seal of the floating piston. The drainage system includes a pressure reducer arranged inside the floating piston. The drainage system also includes an elastometic pad which is so arranged as to supply an underpressure to a space where pressure fluid leaking past a seal may collect. Collected pressure fluid is returned to the pressure chamber later in the cycle.


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Hellgren, Keijo. (2006). High pressure press, method for operating a high pressure press and use of such a press (U.S. Patent No. 7096774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7096774

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