Scott M Richardson

US Patent:

7165467, Jan 23, 2007

Filed:

Mar 14, 2005

Appl. No.:

11/078347

Inventors:

Daniel T. Klees - Greenwood IN, US
Ola J. Wesstrom - Greenwood IN, US
Scott A. Richardson - Franklin IN, US

Assignee:

Endress + Hauser Inc. - Greenwood IN

International Classification:

G01D 3/08
G01K 1/08
G01L 19/06
B65D 60/02
B65D 37/00

US Classification:

738665, 73706, 73756, 374209, 383118, 428 99

Abstract:

In order to provide means for allowing a time and cost effective use of measurement instruments () in industrial applications where high standard of hygiene need to be fulfilled, a disposable sterilizable liner () for a level, pressure or temperature measurement instrument () for measuring level, pressure or temperature of a product () in a container (), for use in combination with a disposable container liner () covering an interior of the container (), is described, wherein the measurement instrument () comprises: a sensing element () for sensing a physical quantity, and a process connector () for mounting the sensing element () on a counter connector () on the container (), wherein the liner () for the measurement instrument () is one integral element made out of an elastic material has a shape that exactly follows outer contours of the sensing element () and the process connector (), such that it forms a removable single use hygienic liner for closely covering all surfaces of the measurement instrument () exposed to the product () during measurement operation, and comprises a mounting section (), which in operation is clamped between the process connector () and the counter connector ().