AT239614B - check valve - Google Patents

check valve

Info

Publication number
AT239614B
AT239614B AT758362A AT758362A AT239614B AT 239614 B AT239614 B AT 239614B AT 758362 A AT758362 A AT 758362A AT 758362 A AT758362 A AT 758362A AT 239614 B AT239614 B AT 239614B
Authority
AT
Austria
Prior art keywords
check valve
check
valve
Prior art date
Application number
AT758362A
Other languages
German (de)
Inventor
Theodor Knott
Original Assignee
Rheinisches Metallwerk Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE1962R0032114 external-priority patent/DE1292978B/en
Application filed by Rheinisches Metallwerk Gmbh filed Critical Rheinisches Metallwerk Gmbh
Application granted granted Critical
Publication of AT239614B publication Critical patent/AT239614B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/28—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with resilient valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • F16K41/103—Spindle sealings with diaphragm, e.g. shaped as bellows or tube the diaphragm and the closure member being integrated in one member
AT758362A 1961-11-11 1962-09-24 check valve AT239614B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DER0031447 1961-11-11
DE1962R0032114 DE1292978B (en) 1962-02-17 1962-02-17 Check valve with additional manual actuation

Publications (1)

Publication Number Publication Date
AT239614B true AT239614B (en) 1965-04-12

Family

ID=25991511

Family Applications (1)

Application Number Title Priority Date Filing Date
AT758362A AT239614B (en) 1961-11-11 1962-09-24 check valve

Country Status (5)

Country Link
AT (1) AT239614B (en)
CH (1) CH404321A (en)
GB (1) GB995929A (en)
LU (1) LU42402A1 (en)
NL (1) NL138982B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270727A (en) * 1978-11-13 1981-06-02 Torr Vacuum Products, Inc. Spring loaded plug valve
US4478243A (en) * 1978-12-20 1984-10-23 Copeland Corporation Valve assembly
US4450860A (en) * 1981-02-13 1984-05-29 Copeland Corporation Discharge valve guide
US4469126A (en) * 1981-11-04 1984-09-04 Copeland Corporation Discharge valve assembly for refrigeration compressors
US4543989A (en) * 1981-11-04 1985-10-01 Copeland Corporation Discharge valve assembly for refrigeration compressors
WO2003038321A2 (en) * 2001-10-29 2003-05-08 Bermad, Limited Partnership Roll diaphragm control valve
ITTO20020503A1 (en) * 2002-06-14 2003-12-15 Vincenzo Varriale METHOD FOR THE PRODUCTION OF A MULTILAYER SEAL AND MULTILAYER SEAL SO OBTAINED
CN112032402A (en) * 2020-09-15 2020-12-04 国网山东省电力公司平阴县供电公司 Gate valve rod protective sleeve

Also Published As

Publication number Publication date
NL138982B (en) 1973-05-15
CH404321A (en) 1965-12-15
GB995929A (en) 1965-06-23
LU42402A1 (en) 1962-11-22

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