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.

Date of Patent:
Jul. 11, 2017

Filed:

Dec. 10, 2012
Applicant:

Preciflex SA, Biel, CH;

Inventor:

Lucien Vouillamoz, Feusisberg, CH;

Assignee:

Preciflex SA, Neuchâtel, CH;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 1/26 (2006.01); F04B 53/14 (2006.01);
U.S. Cl.
CPC ...
G04B 1/265 (2013.01); F04B 53/14 (2013.01);
Abstract

A bellows is provided for fluid storage and displacement used in precise fluid indication in a capillary tube. The bellows is made of a housing made of flexible, watertight material. The housing is made up of an upper portion, a lower portion, and an outer accordion formed portion. The accordion formed portion has a length/and is sealingly connected along a periphery between the upper and lower portions. At least one entry/exit port is formed on at least one of the portions thereof. At least one of the upper and lower portions extends from a periphery of the accordion formed portion substantially within the housing so as to reduce the storage volume.


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