PRESSURE TYPE VACUUM TANK WITH A PRESSURE AND VACUUM RESISTANCE

PURPOSE:To obtain a pressure type vacuum tank using packings serving both for pressure resistance and vacuum resistance by providing the packings in such a way that the facing directions of the rips of the packings become opposite to each other and by using one of them for pressure resistance and th...

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Bibliographic Details
Main Authors ENDO TSUTOMU, ABE KEIZO, HAYASHINAKA TOSHIO, YOSHIMOTO MITSUO, SATOMOTO TADAO, ITO KAN
Format Patent
LanguageEnglish
Published 26.02.1992
Subjects
APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BASIC ELECTRIC ELEMENTS
BLASTING
CABLES
CONDUCTORS
CYLINDERS
ELECTRICITY
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INSULATORS
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PISTONS
SEALINGS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SPRAYING OR ATOMISING IN GENERAL
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
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Summary:PURPOSE:To obtain a pressure type vacuum tank using packings serving both for pressure resistance and vacuum resistance by providing the packings in such a way that the facing directions of the rips of the packings become opposite to each other and by using one of them for pressure resistance and the other one for vacuum resistance. CONSTITUTION:A plurality of packing insertion grooves 13 are formed in the inner and outer peripheral surface of the upper section of a lower tank 12, which mates to the surface of an upper tank 11, and packings 8 and 9 with rips having squashing margins to this groove depth are fitted to the grooves 13. These packings 8 and 9 have the rips 8a and 9a provided with recesses 8b and 9b at the upper faces protruded upward in the oblique direction in the right or left side. The upper faces of these rips 8a and 9a are formed so as to be higher than the depth of the grooves 13. The upper tank 11 is placed on these rips 8a and 9a, which are easily squashed by fastening bolt.nuts 14. In this case, by facing rips 8a and/or 9a inward and/or outward, one side and the other side sufficiently displays pressure resistance performance and vacuum resistance respectively.
Bibliography:Application Number: JP19900167417