Valves and valve actuation – Tube compressors – Perpendicularly reciprocating tube contacting element
Reexamination Certificate
2004-05-12
2008-12-30
Kramer, Devon (Department: 3746)
Valves and valve actuation
Tube compressors
Perpendicularly reciprocating tube contacting element
C251S004000
Reexamination Certificate
active
07469874
ABSTRACT:
A tube valve1of the present invention includes a tube6defining a flow path therein through which a fluid flows, the tube6being arranged so that a part of the tube6forms at least one curved portion; and an opening/closing mechanism which closes the flow path by folding the tube6at the at least one curved portion and opens the flow path by releasing the fold of the tube6.The curved portion has a bendable part (bending portion)64where the tube6can be bent, and the tube6is folded by bending the bendable part64.Further, a tube valve apparatus may include the tube valve1of the present invention. Furthermore, a head cleaning apparatus for cleaning a head of a printer of the present invention may has one or more tube valve1or tube valve apparatus.
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Communication from European Patent Office re: corresponding application No. 04010653.6.
Dwivedi Vikansha
Harness & Dickey & Pierce P.L.C.
Kramer Devon
Seiko Epson Corporation
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