FR2445907A1 - FIXING MEMBER TO BE ANCHORED IN A PLASTIC MATERIAL - Google Patents

FIXING MEMBER TO BE ANCHORED IN A PLASTIC MATERIAL

Info

Publication number
FR2445907A1
FR2445907A1 FR7931961A FR7931961A FR2445907A1 FR 2445907 A1 FR2445907 A1 FR 2445907A1 FR 7931961 A FR7931961 A FR 7931961A FR 7931961 A FR7931961 A FR 7931961A FR 2445907 A1 FR2445907 A1 FR 2445907A1
Authority
FR
France
Prior art keywords
anchored
plastic material
fixing member
splines
fastener
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.)
Granted
Application number
FR7931961A
Other languages
French (fr)
Other versions
FR2445907B1 (en
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.)
PSM Fasteners Ltd
Original Assignee
PSM Fasteners Ltd
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 PSM Fasteners Ltd filed Critical PSM Fasteners Ltd
Publication of FR2445907A1 publication Critical patent/FR2445907A1/en
Application granted granted Critical
Publication of FR2445907B1 publication Critical patent/FR2445907B1/fr
Granted 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/12—Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
    • F16B37/122—Threaded inserts, e.g. "rampa bolts"

Abstract

Un organe de fixation à ancrer dans une matière plastique selon l'invention présente deux séries 12-14 de cannelures en sens contraires écartées en direction axiale et est destiné à être ancré dans la matière plastique par chauffage ou par application de vibrations ultrasoniques à l'organe. Pour empêcher le fissurage de fatigue dans la matière plastique en provenance des angles, l'invention prévoit que tous les angles de l'organe de fixation sont arrondis comme indiqué en 22-24 aux extrémités des parties cannelées 12-14 et sur le profil transversal des cannelures à courbures de rayon R2.A fastener to be anchored in a plastic material according to the invention has two series 12-14 of grooves in opposite directions spaced apart in the axial direction and is intended to be anchored in the plastic material by heating or by applying ultrasonic vibrations to the body. organ. To prevent fatigue cracking in the plastic from the corners, the invention provides that all the corners of the fastener are rounded as indicated at 22-24 at the ends of the splines 12-14 and on the cross section. splines with curvature of radius R2.

FR7931961A 1979-01-06 1979-12-28 FIXING MEMBER TO BE ANCHORED IN A PLASTIC MATERIAL Granted FR2445907A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7900517 1979-01-06

Publications (2)

Publication Number Publication Date
FR2445907A1 true FR2445907A1 (en) 1980-08-01
FR2445907B1 FR2445907B1 (en) 1985-02-22

Family

ID=10502367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931961A Granted FR2445907A1 (en) 1979-01-06 1979-12-28 FIXING MEMBER TO BE ANCHORED IN A PLASTIC MATERIAL

Country Status (3)

Country Link
FR (1) FR2445907A1 (en)
GB (1) GB2039660B (en)
IT (1) IT1126699B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461142A1 (en) * 1979-07-12 1981-01-30 Chaffard Rene Holding down bolt for plastics - has shank with two radial necked step reductions and coarse thread on upper two zones, to be pressed into heated bore
EP0310278B1 (en) * 1987-09-22 1991-08-14 Tappex Thread Inserts Limited Inserts

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167148B (en) * 1984-11-15 1988-02-03 Psm Fasteners Ltd Inserts
JP2958647B2 (en) * 1988-08-03 1999-10-06 ピイ．エス．エム インターナシヨナル ピイエルシイ Improvement of screw fastener
GB8818414D0 (en) * 1988-08-03 1988-09-07 Psm Int Plc Improvements to screw threaded fasteners
ATE172521T1 (en) * 1994-02-01 1998-11-15 Bergner Richard Gmbh Co ASSEMBLY UNIT COMPRISING AN ASSEMBLY PART, A FIXING PART AND A SLEEVE AS LOSS PROTECTION AND PRODUCTION METHOD OF THE ASSEMBLY UNIT
US20040089858A1 (en) * 2002-07-03 2004-05-13 Railwayz, Inc. Fasteners, railing system and method of assembly
US9180631B2 (en) 2011-07-22 2015-11-10 The Boeing Company Molded-in insert and method for fiber reinforced thermoplastic composite structure
CN102852950A (en) * 2012-09-29 2013-01-02 苏州鑫捷顺五金机电有限公司 Injection molding nut
USD816034S1 (en) 2016-03-08 2018-04-24 A.M. Machine Co., Inc. Spark plug insert

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1292780A (en) * 1961-04-04 1962-05-04 self-tapping element with external projections
US3198231A (en) * 1962-01-09 1965-08-03 South Chester Corp High strength threaded insert
US3727254A (en) * 1971-05-05 1973-04-17 Precision Screw & Mfg Method of forming an insert bush

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1292780A (en) * 1961-04-04 1962-05-04 self-tapping element with external projections
US3198231A (en) * 1962-01-09 1965-08-03 South Chester Corp High strength threaded insert
US3727254A (en) * 1971-05-05 1973-04-17 Precision Screw & Mfg Method of forming an insert bush

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461142A1 (en) * 1979-07-12 1981-01-30 Chaffard Rene Holding down bolt for plastics - has shank with two radial necked step reductions and coarse thread on upper two zones, to be pressed into heated bore
EP0310278B1 (en) * 1987-09-22 1991-08-14 Tappex Thread Inserts Limited Inserts

Also Published As

Publication number Publication date
GB2039660A (en) 1980-08-13
GB2039660B (en) 1983-05-25
IT7928388A0 (en) 1979-12-24
FR2445907B1 (en) 1985-02-22
IT1126699B (en) 1986-05-21

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Legal Events

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TP Transmission of property