CA972992A - Screw adapted for visible inspection of tightness - Google Patents

Screw adapted for visible inspection of tightness

Info

Publication number
CA972992A
CA972992A CA180,795A CA180795A CA972992A CA 972992 A CA972992 A CA 972992A CA 180795 A CA180795 A CA 180795A CA 972992 A CA972992 A CA 972992A
Authority
CA
Canada
Prior art keywords
tightness
screw adapted
visible inspection
inspection
visible
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.)
Expired
Application number
CA180,795A
Other languages
English (en)
Other versions
CA180795S (en
Inventor
Charles E. Gutshall
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.)
Elco Industries Inc
Original Assignee
Elco Industries Inc
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 Elco Industries Inc filed Critical Elco Industries Inc
Application granted granted Critical
Publication of CA972992A publication Critical patent/CA972992A/en
Expired 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/003—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool star-shaped or multi-lobular, e.g. Torx-type, twelve-point star
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools
    • 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
    • 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
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/95—Constructional details of connections not covered for in other groups of this subclass with markings, colours, indicators or the like
CA180,795A 1972-10-20 1973-09-11 Screw adapted for visible inspection of tightness Expired CA972992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00299347A US3854372A (en) 1972-10-20 1972-10-20 Screw adapted for visible inspection of tightness

Publications (1)

Publication Number Publication Date
CA972992A true CA972992A (en) 1975-08-19

Family

ID=23154397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,795A Expired CA972992A (en) 1972-10-20 1973-09-11 Screw adapted for visible inspection of tightness

Country Status (8)

Country Link
US (1) US3854372A (cs)
JP (1) JPS4993761A (cs)
CA (1) CA972992A (cs)
CH (1) CH570563A5 (cs)
DE (1) DE2352380A1 (cs)
FR (1) FR2204243A5 (cs)
GB (1) GB1393665A (cs)
IT (1) IT998777B (cs)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
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US4084478A (en) * 1974-09-12 1978-04-18 Phillips Screw Company Screw heads
FR2301723A1 (fr) * 1975-02-21 1976-09-17 Ouest Cie Element de fixation visse a limiteur de couple de serrage
JPS5290669U (cs) * 1975-12-27 1977-07-06
US4043369A (en) * 1976-03-11 1977-08-23 Abernethy Robert R Edge deformable lock nut
US4260005A (en) * 1977-11-09 1981-04-07 Vsi Corporation Self-locking fastener, fastener system, and process
US4258606A (en) * 1979-05-14 1981-03-31 Leroy Wilson Screw
US4334803A (en) * 1979-11-23 1982-06-15 Westlake Patrick C Mine roof bolt
US4347020A (en) * 1980-01-02 1982-08-31 Birmingham Bolt Company Mine roof bolt assembly
US4393787A (en) * 1980-03-31 1983-07-19 Russell, Burdsall & Ward Corporation Roller side bearing mounting system and method
US4323015A (en) * 1980-03-31 1982-04-06 Russell, Burdsall & Ward Corporation Roller side bearing mounting system and method
FR2515301B1 (fr) * 1981-09-14 1986-10-24 Utilisation Ration Gaz Perfectionnement aux limiteurs de debit pour bouteilles de gaz
US4521146A (en) * 1982-11-08 1985-06-04 Maron Products, Inc. Lug nut cap
GB2131113A (en) * 1982-11-25 1984-06-13 Chang Chung Hsing Bolt driving formation
US4482278A (en) * 1983-04-20 1984-11-13 Brock Manufacturing, Inc. Bolt
US4813833A (en) * 1983-09-06 1989-03-21 Brock Manufacturing, Inc. Threaded fastener having jacketed head
US4784549A (en) * 1985-02-15 1988-11-15 Wing George S Torque-limited collar
US5256014A (en) * 1985-02-15 1993-10-26 Wing George S Nut threaded fastener for applying a predetermined preload
US4658918A (en) * 1985-07-25 1987-04-21 Strata Bit Corporation Threaded nozzle for a drill bit
US4686874A (en) * 1985-12-23 1987-08-18 Mcgard, Inc. Tamper-proof bolt and tamper-proof bolt-key combination
EP0261232B1 (en) * 1986-03-31 1995-05-17 Betty R. Wing Torque limiting fastener
US4786224A (en) * 1986-04-24 1988-11-22 Maron Products, Inc. Wheel lug nut cover
JPS6396748U (cs) * 1986-12-15 1988-06-22
JPS63174144U (cs) * 1987-03-17 1988-11-11
US5452974A (en) * 1993-03-04 1995-09-26 Air Industries Corporation Deformable locking fastener system and method of use
US5692419A (en) * 1993-03-04 1997-12-02 Air Industries Corporation Deformable locking fastener system and method of use
GB2293404A (en) * 1994-05-20 1996-03-27 Malcolm J Holland Driveable screw eye or hook
DE19610748A1 (de) * 1996-03-19 1997-01-02 Daimler Benz Ag Schraube oder Mutter mit Indikator bezüglich eines unbefugten Lösens der Verschraubung
US5957645A (en) 1997-10-31 1999-09-28 Phillips Screw Company Spiral drive system for threaded fasteners
US6698315B1 (en) 1998-04-13 2004-03-02 Wright Tool Company High torque wrenching system
US5890857A (en) * 1998-04-16 1999-04-06 U-Haul International, Inc. Fastener system including a clamp-force indicating insert
US6186718B1 (en) 1998-06-18 2001-02-13 Northrop Grumman Corporation Threaded fastener having a head with a triangle centerpost within a triangle recess
US6158832A (en) * 1998-11-20 2000-12-12 Lucent Technologies Inc. Fastener with alignment and spacing features
WO2000045057A1 (en) * 1999-01-29 2000-08-03 Wright Tool Company High torque wrenching system
US6827538B2 (en) 2001-09-10 2004-12-07 Htg-Wyandotte, Llc Torque prevailing stud
FI115665B (fi) * 2002-11-08 2005-06-15 Uponor Innovation Ab Liitoskappale
US20040177729A1 (en) * 2003-03-10 2004-09-16 Jory Bell Screw and screw driver
US6997660B2 (en) * 2004-10-05 2006-02-14 Fedor Michael E Plug and pencil for engine
US7438513B2 (en) * 2005-08-04 2008-10-21 Phillips Screw Company Ribbed fastener
DE102006061461A1 (de) * 2006-07-26 2008-02-07 Continental Teves Ag & Co. Ohg Aggregat mit wenigstens zwei daran befestigter Hydraulikanschlüsse
GB2442482A (en) * 2006-10-05 2008-04-09 Robert Morrison Pre-determined torque-nut
US8840349B2 (en) * 2007-04-20 2014-09-23 Fisher Controls International, Llc Multi-tool adjusting screw
US20090142160A1 (en) * 2007-12-04 2009-06-04 Simpson Strong-Tie Co., Inc. Raised recess truss head screw
CA2729836A1 (en) * 2008-04-21 2009-10-29 Asia Fastening (Us), Inc. Drive system
DE102008021156B4 (de) * 2008-04-28 2017-08-17 Volkswagen Ag Befestigungseinrichtung
US9188348B2 (en) 2009-08-28 2015-11-17 Progress Profiles Spa Method and apparatus for positioning heating elements
USD813421S1 (en) * 2009-08-28 2018-03-20 Progress Profiles Spa Floor underlayment
CN102287436A (zh) * 2011-07-28 2011-12-21 东风汽车有限公司 六角法兰面螺栓
JP2013044381A (ja) * 2011-08-24 2013-03-04 Yutaka Michiwaki ねじ体の方向指示構造
DE102013012577A1 (de) * 2013-07-30 2015-02-05 Steven Keiner Verbindungselement eines Verbindungssystems, Werkzeug zum Verbinden, Lösen und Prüfen des Verbindungselementes, Verfahren zum Versehen eines Verbindungssystems mit einer Verschlussversiegelung
EP2908014B1 (de) * 2014-02-13 2019-06-12 HALFEN GmbH Schraube
WO2016011139A1 (en) 2014-07-15 2016-01-21 Savannah River Nuclear Solutions, Llc System for tamper identification
US10215423B2 (en) 2014-08-18 2019-02-26 Progress Profiles S.P.A. Method and apparatus for positioning heating elements
DE202015009884U1 (de) 2014-08-18 2021-01-22 Progress Profiles Spa Unterlage zur Positionierung von Heizelementen und ihre Verwendung
US9651078B2 (en) * 2014-09-23 2017-05-16 Jose Ricardo Santiago-Anadon Torque limiting fastener
WO2016089838A1 (en) 2014-12-01 2016-06-09 Savannah River Nuclear Solutions, Llc Additive manufactured serialization
US11234899B2 (en) 2017-05-11 2022-02-01 Scalpal Llc Grasping facilitators and uses thereof and kits involving the same
US9726383B1 (en) 2016-06-17 2017-08-08 Progress Profiles S.P.A. Support for radiant covering and floor heating elements
US10859274B2 (en) 2016-04-01 2020-12-08 Progress Profiles S.P.A. Support for radiant covering and floor heating elements
USD971449S1 (en) 2016-04-13 2022-11-29 Progress Profiles S.P.A. Floor underlayment
US10465732B2 (en) * 2017-03-08 2019-11-05 Connector Products Inc. Captive shear bolt
CN111356846A (zh) * 2017-08-11 2020-06-30 约翰内斯堡大学 膨胀螺栓
USD906797S1 (en) * 2019-01-04 2021-01-05 Jonathan Henry Carmona Aesthetic fastener
US20210172468A1 (en) * 2019-12-05 2021-06-10 AR Developing, LLC Mechanical fastener drive tool and system
US20220213918A1 (en) * 2021-01-06 2022-07-07 Jeffrey Holland Dual Head Screw
US20220252099A1 (en) * 2021-02-11 2022-08-11 Afl Telecommunications Llc Fasteners

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA660630A (en) * 1963-04-02 Burndy Corporation Constant torque nut
US2685812A (en) * 1951-03-22 1954-08-10 George A Dmitroff Constant torque nut
US3285119A (en) * 1964-05-05 1966-11-15 Hi Shear Corp Torque-limiting fastener

Also Published As

Publication number Publication date
CH570563A5 (cs) 1975-12-15
JPS4993761A (cs) 1974-09-06
US3854372A (en) 1974-12-17
DE2352380A1 (de) 1974-05-09
GB1393665A (en) 1975-05-07
FR2204243A5 (cs) 1974-05-17
IT998777B (it) 1976-02-20

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