Chucking device

A chucking device of the present invention includes an annular elastic member (3) sandwiched between an upper (1) and a lower member (2). A rod (5) is slidable up and down in a bore formed in the upper (1) and lower members (2) and is partly positioned in the elastic member (3). The rod (5) presses...

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Bibliographic Details
Main Authors TERAYAMA, MASAYUKI, FURUYA, KENJI, YAMAGUCHI, YOSHIHIRO, TATEJIMA, SHOJI, OHKAWA, AKIRA
Format Patent
LanguageEnglish
French
German
Published 10.04.2002
Edition7
Subjects
APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BORING
CHAMBERS PROVIDED WITH MANIPULATION DEVICES
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HAND TOOLS
HOLOGRAPHY
MACHINE TOOLS
MAGNETOGRAPHY
MANIPULATORS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PHOTOGRAPHY
PHYSICS
PORTABLE POWER-DRIVEN TOOLS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
TURNING
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Summary:A chucking device of the present invention includes an annular elastic member (3) sandwiched between an upper (1) and a lower member (2). A rod (5) is slidable up and down in a bore formed in the upper (1) and lower members (2) and is partly positioned in the elastic member (3). The rod (5) presses the elastic member (3) radially outward when raised or lowered, thereby causing the chucking device to chuck a hollow, cylindrical base. The elastic member (3) contacts the inner periphery of the base over a minimum of area and surely, closely contacts it for thereby implementing desirable sealing. The chucking device can therefore form a uniform film on the outer periphery of the base.
Bibliography:Application Number: EP20010123299