EP2454495A4 - Nut for a moment screw - Google Patents

Nut for a moment screw

Info

Publication number
EP2454495A4
EP2454495A4 EP10799482A EP10799482A EP2454495A4 EP 2454495 A4 EP2454495 A4 EP 2454495A4 EP 10799482 A EP10799482 A EP 10799482A EP 10799482 A EP10799482 A EP 10799482A EP 2454495 A4 EP2454495 A4 EP 2454495A4
Authority
EP
European Patent Office
Prior art keywords
nut
moment screw
moment
screw
Prior art date
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Withdrawn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.)
Filing date
Publication date
Application filed by Ensto Finland Oy filed Critical Ensto Finland Oy
Publication of EP2454495A1 publication Critical patent/EP2454495A1/en
Publication of EP2454495A4 publication Critical patent/EP2454495A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • F16B33/00—Features common to bolt and nut
    • 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
EP10799482A 2009-07-17 2010-07-15 Nut for a moment screw Withdrawn EP2454495A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20095798A FI20095798A (en) 2009-07-17 2009-07-17 Nut for torque screw
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 a moment screw

Country Status (4)

Country Link
EP (1) EP2454495A4 (en)
FI (1) FI20095798A (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
EP3346146A1 (en) * 2017-01-05 2018-07-11 HILTI Aktiengesellschaft Break nut with fractured surface with a large opening angle
EP3346147A1 (en) 2017-01-05 2018-07-11 HILTI Aktiengesellschaft Device for limiting torque with fixing claws
EP3346145A1 (en) 2017-01-05 2018-07-11 HILTI Aktiengesellschaft Device for limiting torque with three webs
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
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
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
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

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
RU2012105535A (en) 2013-08-27
EP2454495A1 (en) 2012-05-23
FI20095798A0 (en) 2009-07-17
WO2011007052A1 (en) 2011-01-20
FI20095798A (en) 2011-01-18

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20120217

AK Designated contracting states

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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

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20121121

RIC1 Information provided on ipc code assigned before grant

Ipc: F16B 33/00 20060101ALI20121115BHEP

Ipc: F16B 39/286 20060101ALI20121115BHEP

Ipc: F16B 31/02 20060101AFI20121115BHEP

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20130621