IT1077488B - Perfezionamento nelle valvola con elemento di otturazzione girevole - Google Patents

Perfezionamento nelle valvola con elemento di otturazzione girevole

Info

Publication number: IT1077488B
Authority: IT; Italy
Prior art keywords: improvement; valve; filling element; revolving; revolving filling
Prior art date: 1976-03-12

Application number

IT48445/77A

Other languages

English (en)

Original Assignee

Keystone Int

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.)

1976-03-12

Filing date

1977-03-11

Publication date

1985-05-04

1977-03-11 Application filed by Keystone Int filed Critical Keystone Int

1985-05-04 Application granted granted Critical

1985-05-04 Publication of IT1077488B publication Critical patent/IT1077488B/it

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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Lift Valve (AREA)

IT48445/77A 1976-03-12 1977-03-11 Perfezionamento nelle valvola con elemento di otturazzione girevole IT1077488B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US66419676A	1976-03-12	1976-03-12

Publications (1)

Publication Number	Publication Date
IT1077488B true IT1077488B (it)	1985-05-04

Family

ID=24664984

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48445/77A IT1077488B (it)	1976-03-12	1977-03-11	Perfezionamento nelle valvola con elemento di otturazzione girevole

Country Status (11)

Country	Link
JP (1)	JPS52135422A (it)
AU (1)	AU515047B2 (it)
BR (1)	BR7701510A (it)
CA (1)	CA1056791A (it)
DE (1)	DE2710104A1 (it)
FR (1)	FR2343947A1 (it)
GB (1)	GB1574216A (it)
IT (1)	IT1077488B (it)
MX (1)	MX144213A (it)
NL (1)	NL7702644A (it)
SE (1)	SE420860B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3967812A (en) *	1975-02-26	1976-07-06	Dresser Industries, Inc.	Shaft seal for corrosion resistant butterfly valve
US4483513A (en) *	1982-08-09	1984-11-20	General Signal Corporation	Pin connection of a shaft to closure member of a rotary valve
US4651763A (en) *	1986-03-05	1987-03-24	Keystone International, Inc.	Fire-safe ventilation valve
US4659064A (en) *	1986-08-01	1987-04-21	Keystone International, Inc.	Apparatus for fixing the position of a valve element shaft in a bore
US4711427A (en) *	1986-08-20	1987-12-08	Keystone International, Inc.	Apparatus for connecting a valve element to a valve stem
US4828221A (en) *	1987-11-06	1989-05-09	Keystone International, Inc.	Valve assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3345033A (en) *	1965-06-15	1967-10-03	Pratt Co Henry	Shaft seal for a butterfly valve
GB1135811A (en) *	1966-01-01	1968-12-04	David F Wiseman & Sons Ltd	Improvements in butterfly valves

1977
- 1977-03-02 CA CA272,997A patent/CA1056791A/en not_active Expired
- 1977-03-08 DE DE19772710104 patent/DE2710104A1/de not_active Withdrawn
- 1977-03-09 SE SE7702689A patent/SE420860B/xx unknown
- 1977-03-11 BR BR7701510A patent/BR7701510A/pt unknown
- 1977-03-11 NL NL7702644A patent/NL7702644A/xx not_active Application Discontinuation
- 1977-03-11 MX MX168336A patent/MX144213A/es unknown
- 1977-03-11 FR FR7707410A patent/FR2343947A1/fr active Granted
- 1977-03-11 AU AU23189/77A patent/AU515047B2/en not_active Expired
- 1977-03-11 IT IT48445/77A patent/IT1077488B/it active
- 1977-03-12 JP JP2661777A patent/JPS52135422A/ja active Pending
- 1977-03-14 GB GB10651/77A patent/GB1574216A/en not_active Expired

Also Published As

Publication number	Publication date
CA1056791A (en)	1979-06-19
BR7701510A (pt)	1978-01-03
FR2343947A1 (fr)	1977-10-07
AU2318977A (en)	1978-09-14
DE2710104A1 (de)	1977-09-15
AU515047B2 (en)	1981-03-12
NL7702644A (nl)	1977-09-14
MX144213A (es)	1981-09-10
JPS52135422A (en)	1977-11-12
SE7702689L (sv)	1977-09-13
GB1574216A (en)	1980-09-03
SE420860B (sv)	1981-11-02
FR2343947B1 (it)	1983-01-14

Publication	Publication Date	Title
IT1086644B (it)	1985-05-28	Perfezionamento nelle serrature
IT1032403B (it)	1979-05-30	Perfezionamento nelle sedie
IT1125187B (it)	1986-05-14	Perfezionamento nelle disposizioni di fissaggio per contenitori
IT1052631B (it)	1981-07-20	Perfezionamento nelle sedie
IT1079766B (it)	1985-05-13	Perfezionamento nelle minizioni con proiettile decalibrato
IT1057477B (it)	1982-03-10	Perfezionamento nelle fresse
IT1066565B (it)	1985-03-12	Perfezionamento nelle mietitrici
DD129974A5 (de)	1978-02-22	Enteisungsvorrichtung
IT1056131B (it)	1982-01-30	Perfezionemento nelle valvole
IT958158B (it)	1973-10-20	Perfezionamento nelle frese
IT1057998B (it)	1982-03-30	Perfezionamento nelle valvole di escusione di sicurezza
IT1083495B (it)	1985-05-21	Perfezionamento nelle biciclette
IT1078178B (it)	1985-05-08	Perfezionamento nelle valvole di controllo di flusso
SE432621B (sv)	1984-04-09	Tuftningsanordning
BR7506477A (pt)	1976-08-10	Aperfeicoamento em valvula de liquido
NL7515132A (nl)	1976-06-29	Op de 4-plaats beschermde hydroxycyclopent-2- -en-onen.
IT1058230B (it)	1982-04-10	Perfezionamento nelle mietitrici
IT969005B (it)	1974-03-30	Perfezionamento introdotto nelle frese
BE801110A (fr)	1973-12-19	1,2,3,4-tetrahydroanthraquinones alcoylees en position 2
TR18581A (tr)	1977-04-13	Suerguelue valflarda yapilan islahat
FI773661A7 (fi)	1978-06-11	Foerfarande foer framstaellning av pappersmassa
IT1077488B (it)	1985-05-04	Perfezionamento nelle valvola con elemento di otturazzione girevole
IT1073716B (it)	1985-04-17	Perfezionamento nelle valvole a saracinesca
IT991060B (it)	1975-07-30	Perfezionamenti introdotti nelle finestre
IT1057462B (it)	1982-03-10	Perfezionamento nelle valvole