EP2454495A4 - NUT FOR TORQUE SCREW - Google Patents

NUT FOR TORQUE SCREW

Info

Publication number: EP2454495A4
Authority: EP; European Patent Office
Prior art keywords: nut; torque screw; torque; screw
Prior art date: 2009-07-17
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP10799482A

Other languages

German (de)

French (fr)

Other versions

EP2454495A1 (en

Inventor

Mika Olavi Heijari

Jaakko Kullervo Pitkaenen

Antti Tapio Toivanen

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.)

Ensto Finland Oy

Original Assignee

Ensto Finland Oy

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.)

2009-07-17

Filing date

2010-07-15

Publication date

2012-12-19

2010-07-15 Application filed by Ensto Finland Oy filed Critical Ensto Finland Oy

2012-05-23 Publication of EP2454495A1 publication Critical patent/EP2454495A1/en

2012-12-19 Publication of EP2454495A4 publication Critical patent/EP2454495A4/en

Status Withdrawn legal-status Critical Current

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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
- F16B39/286—Locking by means of elastic deformation caused by saw cuts

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Transmission Devices (AREA)
Bolts, Nuts, And Washers (AREA)

EP10799482A 2009-07-17 2010-07-15 NUT FOR TORQUE SCREW Withdrawn EP2454495A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI20095798A FI20095798A7 (en)	2009-07-17	2009-07-17	Torque screw nut
PCT/FI2010/050597 WO2011007052A1 (en)	2009-07-17	2010-07-15	Nut for a moment screw

Publications (2)

Publication Number	Publication Date
EP2454495A1 EP2454495A1 (en)	2012-05-23
EP2454495A4 true EP2454495A4 (en)	2012-12-19

Family

ID=40935877

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP10799482A Withdrawn EP2454495A4 (en)	2009-07-17	2010-07-15	NUT FOR TORQUE SCREW

Country Status (4)

Country	Link
EP (1)	EP2454495A4 (en)
FI (1)	FI20095798A7 (en)
RU (1)	RU2012105535A (en)
WO (1)	WO2011007052A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2607723A1 (en) *	2011-12-19	2013-06-26	Ensto Finland Oy	Torque nut
EP3346145A1 (en)	2017-01-05	2018-07-11	HILTI Aktiengesellschaft	Device for limiting torque with three webs
EP3346147A1 (en) *	2017-01-05	2018-07-11	HILTI Aktiengesellschaft	Device for limiting torque with fixing claws
EP3346146A1 (en)	2017-01-05	2018-07-11	HILTI Aktiengesellschaft	Break nut with fractured surface with a large opening angle
CN107883085A (en) *	2017-11-28	2018-04-06	广东美的制冷设备有限公司	Anti-dismantling pipe connection device and air conditioner
CN107883084A (en) *	2017-11-28	2018-04-06	广东美的制冷设备有限公司	Anti-dismantling pipe connection device and air conditioner
CN107883083A (en) *	2017-11-28	2018-04-06	广东美的制冷设备有限公司	Anti-dismantling pipe connection device and air conditioner
US11098744B2 (en) *	2018-11-30	2021-08-24	Classic Connectors, Inc.	Torque limiting fastener

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2380994A (en) *	1943-12-11	1945-08-07	Edwin W Pummill	Self-locking nut or bolt
GB672396A (en) *	1950-03-22	1952-05-21	Grip Nut Co	Lock nut and method of making the same
US3512447A (en) *	1968-09-09	1970-05-19	Rudolph Marion Vaughn	Frangible nut fastener
US3727254A (en) *	1971-05-05	1973-04-17	Precision Screw & Mfg	Method of forming an insert bush
DE19859208A1 (en) *	1997-12-26	1999-07-01	Nagayama Denshi Kogyo Kk	Metal fastener and method of manufacture
US20010018014A1 (en) *	2000-02-16	2001-08-30	Katsuo Ito	Self-locking nut

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6292315U (en) *	1985-11-29	1987-06-12
DE10119913A1 (en) *	2001-04-23	2002-10-31	Emhart Llc Newark	Screw nut for limiting an acting torque and the corresponding procedure

2009
- 2009-07-17 FI FI20095798A patent/FI20095798A7/en not_active Application Discontinuation
2010
- 2010-07-15 EP EP10799482A patent/EP2454495A4/en not_active Withdrawn
- 2010-07-15 RU RU2012105535/12A patent/RU2012105535A/en unknown
- 2010-07-15 WO PCT/FI2010/050597 patent/WO2011007052A1/en not_active Ceased

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2380994A (en) *	1943-12-11	1945-08-07	Edwin W Pummill	Self-locking nut or bolt
GB672396A (en) *	1950-03-22	1952-05-21	Grip Nut Co	Lock nut and method of making the same
US3512447A (en) *	1968-09-09	1970-05-19	Rudolph Marion Vaughn	Frangible nut fastener
US3727254A (en) *	1971-05-05	1973-04-17	Precision Screw & Mfg	Method of forming an insert bush
DE19859208A1 (en) *	1997-12-26	1999-07-01	Nagayama Denshi Kogyo Kk	Metal fastener and method of manufacture
US20010018014A1 (en) *	2000-02-16	2001-08-30	Katsuo Ito	Self-locking nut

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011007052A1 *

Also Published As

Publication number	Publication date
FI20095798L (en)	2011-01-18
RU2012105535A (en)	2013-08-27
WO2011007052A1 (en)	2011-01-20
FI20095798A0 (en)	2009-07-17
EP2454495A1 (en)	2012-05-23
FI20095798A7 (en)	2011-01-18

Publication	Publication Date	Title
EP2601367A4 (en)	2016-01-13	ADJUSTABLE TORQUE HINGE
EP2216576A4 (en)	2016-03-09	THREADED FITTING FOR PIPE
BRPI0915436A2 (en)	2015-11-10	screw
BRPI0814760A2 (en)	2015-03-03	REBIT SCREW
EP2770239A4 (en)	2015-11-25	SCREW CONNECTION FOR PIPE
PL2566660T3 (en)	2019-02-28	Device for producing precise tightening torque for screw connections
NO20092909L (en)	2009-12-17	Grease-free threaded connection for high torque
DK2326848T3 (en)	2013-07-01	Screw
EP2401515A4 (en)	2014-06-25	FLEXIBLE SCREW
DK2102542T3 (en)	2014-11-03	Nanocomposite coatings for threaded joints
EP2275691A4 (en)	2013-01-02	SCREW WASHER
IT1394247B1 (en)	2012-06-01	TIGHTENING DEVICE
EP2454495A4 (en)	2012-12-19	NUT FOR TORQUE SCREW
EP2279357A4 (en)	2013-10-02	COUPLE MEMBER FOR THREADED FITTINGS
DE502009000523D1 (en)	2011-05-26	screw
DE112008002033A5 (en)	2010-04-29	screw extractor
BRPI0811910A2 (en)	2014-11-04	SAFETY SCREW
EP2444671A4 (en)	2016-04-06	SCREW COMPRESSOR
DE102009005916A8 (en)	2010-12-16	screw
EP2437678A4 (en)	2015-10-28	SCREW
DK2268930T3 (en)	2013-09-30	Tapered screw connection
FR2944729B1 (en)	2011-04-15	IMPROVEMENT FOR TOOLS
BRPI0810359A2 (en)	2014-10-21	ADJUSTING SCREW
FR2922749B1 (en)	2010-10-08	THREADED HEAD SCREW FOR OSTHEOSYNTHESIS
FR2945437B1 (en)	2012-04-27	SCREWS AND SCREWDRIVERS FOR ITS SCREW

Legal Events

Date	Code	Title	Description
2012-04-21	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2012-05-23	17P	Request for examination filed	Effective date: 20120217
2012-05-23	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
2012-10-24	DAX	Request for extension of the european patent (deleted)
2012-12-19	A4	Supplementary search report drawn up and despatched	Effective date: 20121121
2012-12-19	RIC1	Information provided on ipc code assigned before grant	Ipc: F16B 33/00 20060101ALI20121115BHEP Ipc: F16B 39/286 20060101ALI20121115BHEP Ipc: F16B 31/02 20060101AFI20121115BHEP
2013-11-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2013-12-25	18D	Application deemed to be withdrawn	Effective date: 20130621