Dispenser or vial pump and a tube and valve assembly used in...

Details Dispenser or vial pump and a tube and valve assembly used in... Dispenser or vial pump and a tube and valve assembly used in...

2004-08-11

2011-12-13

Nicolas, Frederick C. (Department: 3754)

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

C222S321700, C222S321900, C222S402100, C222S464100

Reexamination Certificate

active

08074846

ABSTRACT:
Dispenser or vial pump, including a valve assembly (3) and a tube (4) that is fixed with one extremity to a nipple (6) of the valve assembly (3). The nipple (6) and tube (4) are in contact with each other with their respective contact surfaces (7, 8), at least one of the contact surfaces (7, 8) is provided with a roughness (9) in order to decrease the friction between the nipple (6) and the tube (4) during assembly.

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