Tube and die interface for liquid flow sensing through the tube

Details Tube and die interface for liquid flow sensing through the tube Tube and die interface for liquid flow sensing through the tube

2007-07-31

2007-07-31

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Volume or rate of flow

Thermal type

Reexamination Certificate

active

11185035

ABSTRACT:
A thermal sensor includes a die having a surface formed to accept the outer surface of tubing; a molded plastic part located on the die surface, said molded plastic part including flexible portions having a surface adapted to engage the bottom half of the circumference of standard tubing when the tubing is fully placed in the molded plastic part; conductive material selectively patterned on the surface of the flexible portions that engages the die surface; and retaining hardware adapted to secure the tubing against the molded plastic part and flexible portions when the retaining hardware is secured to the molded plastic part.

REFERENCES:
patent: 4333354 (1982-06-01), Feller
patent: 4358947 (1982-11-01), Greene et al.
patent: 4399696 (1983-08-01), Feller
patent: 4559483 (1985-12-01), Jundt et al.
patent: 4612806 (1986-09-01), Feller
patent: 4649756 (1987-03-01), Feller
patent: 4890499 (1990-01-01), Feller
patent: 2002/0073772 (2002-06-01), Bonne et al.

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