CA2348344C - Clapet a bille a siege convexe - Google Patents

Clapet a bille a siege convexe Download PDF

Info

Publication number: CA2348344C
Authority: CA; Canada
Prior art keywords: valve; seat; ball; valve ball; convex
Prior art date: 2000-03-31
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

CA002348344A

Other languages

English (en)

Other versions

CA2348344A1 (fr

Inventor

James A. Cunningham

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

2000-03-31

Filing date

2001-05-23

Publication date

2008-07-08

2000-02-28 Priority to US09/514,892 priority Critical patent/US6293517B1/en

2000-03-31 Priority claimed from US09/541,892 external-priority patent/US6289825B1/en

2001-05-23 Application filed by Individual filed Critical Individual

2001-05-23 Priority to CA002348344A priority patent/CA2348344C/fr

2001-05-25 Priority to GB0112820A priority patent/GB2375806B/en

2001-05-25 Priority claimed from GB0112820A external-priority patent/GB2375806B/en

2002-11-23 Publication of CA2348344A1 publication Critical patent/CA2348344A1/fr

2008-07-08 Application granted granted Critical

2008-07-08 Publication of CA2348344C publication Critical patent/CA2348344C/fr

2021-05-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910052751 metal Inorganic materials 0.000 claims abstract description 39
239000002184 metal Substances 0.000 claims abstract description 39
239000000463 material Substances 0.000 claims abstract description 13
229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 7
229910001347 Stellite Inorganic materials 0.000 claims abstract description 5
AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical group C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 claims abstract description 5
235000019589 hardness Nutrition 0.000 claims abstract 17
238000007789 sealing Methods 0.000 claims description 20
150000002739 metals Chemical class 0.000 claims description 7
238000000034 method Methods 0.000 claims description 4
239000010935 stainless steel Substances 0.000 claims description 3
229910001220 stainless steel Inorganic materials 0.000 claims description 3
230000000903 blocking effect Effects 0.000 claims 12
239000012530 fluid Substances 0.000 claims 12
238000011144 upstream manufacturing Methods 0.000 claims 2
229910000831 Steel Inorganic materials 0.000 claims 1
229910001092 metal group alloy Inorganic materials 0.000 claims 1
239000010959 steel Substances 0.000 claims 1
229910001256 stainless steel alloy Inorganic materials 0.000 abstract 1
238000003466 welding Methods 0.000 description 7
238000003754 machining Methods 0.000 description 5
238000010438 heat treatment Methods 0.000 description 3
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000007689 inspection Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000003825 pressing Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
238000007664 blowing Methods 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
238000007667 floating Methods 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
239000000203 mixture Substances 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/12—Tables with tops of variable height with flexible height-adjusting means, e.g. rope, chain
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/04—Tables with tops of variable height with vertical spindle
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0011—Underframes
- A47B2200/002—Legs
- A47B2200/0026—Desks with C-shaped leg

Landscapes

Taps Or Cocks (AREA)
Lift Valve (AREA)

CA002348344A 2000-02-28 2001-05-23 Clapet a bille a siege convexe Expired - Lifetime CA2348344C (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
US09/514,892 US6293517B1 (en)	2000-02-28	2000-02-28	Ball valve having convex seat
CA002348344A CA2348344C (fr)	2000-03-31	2001-05-23	Clapet a bille a siege convexe
GB0112820A GB2375806B (en)	2000-02-28	2001-05-25	Ball valve having convex seat

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US09/541,892 US6289825B1 (en)	2000-03-31	2000-03-31	Adjustment mechanism for workstation
CA002348344A CA2348344C (fr)	2000-03-31	2001-05-23	Clapet a bille a siege convexe
GB0112820A GB2375806B (en)	2000-02-28	2001-05-25	Ball valve having convex seat

Publications (2)

Publication Number	Publication Date
CA2348344A1 CA2348344A1 (fr)	2002-11-23
CA2348344C true CA2348344C (fr)	2008-07-08

Family

ID=27171544

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002348344A Expired - Lifetime CA2348344C (fr)	2000-02-28	2001-05-23	Clapet a bille a siege convexe

Country Status (1)

Country	Link
CA (1)	CA2348344C (fr)

2001
- 2001-05-23 CA CA002348344A patent/CA2348344C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2348344A1 (fr)	2002-11-23

Legal Events

Date	Code	Title	Description
2005-05-03	EEER	Examination request
2021-07-27	MKEX	Expiry	Effective date: 20210525

Publication	Publication Date	Title
US6293517B1 (en)	2001-09-25	Ball valve having convex seat
US9964219B2 (en)	2018-05-08	Ball valve
US10288178B2 (en)	2019-05-14	Sealing high pressure flow devices
CA2373969C (fr)	2005-06-28	Soupape a surface portante secondaire
US6196261B1 (en)	2001-03-06	Flapper valve assembly with seat having load bearing shoulder
US20200096119A1 (en)	2020-03-26	Method of attaching or replacing a plug assembly
US20110260088A1 (en)	2011-10-27	Ball valve having complex valve seat
CA2212620A1 (fr)	1996-08-22	Vanne rotative avec acces de biais
CA2348344C (fr)	2008-07-08	Clapet a bille a siege convexe
US20260036212A1 (en)	2026-02-05	Fuse-coated ball valve trim
US9316322B2 (en)	2016-04-19	Split seat shear valve
CN218094365U (zh)	2022-12-20	高温高压疏水球阀
US12612971B2 (en)	2026-04-28	Bidirectional one piece metal seat for ball valve
NO317530B1 (no)	2004-11-08	Kombinasjon av en ventilkule og et konvekst metallsete, og ventil som inngar i en slik kombinasjon