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FR2288907A1 - Helical fixing insert for wood screws - has internal plastic on metal support with points forced into wood of bore receiving screw - Google Patents

Helical fixing insert for wood screws - has internal plastic on metal support with points forced into wood of bore receiving screw

Info

Publication number
FR2288907A1
FR2288907A1 FR7435833A FR7435833A FR2288907A1 FR 2288907 A1 FR2288907 A1 FR 2288907A1 FR 7435833 A FR7435833 A FR 7435833A FR 7435833 A FR7435833 A FR 7435833A FR 2288907 A1 FR2288907 A1 FR 2288907A1
Authority
FR
France
Prior art keywords
wood
insert
points
metal support
bore receiving
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
FR7435833A
Other languages
French (fr)
Other versions
FR2288907B3 (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.)
TALAN MARC
Original Assignee
TALAN MARC
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 TALAN MARC filed Critical TALAN MARC
Priority to FR7435833A priority Critical patent/FR2288907A1/en
Publication of FR2288907A1 publication Critical patent/FR2288907A1/en
Application granted granted Critical
Publication of FR2288907B3 publication Critical patent/FR2288907B3/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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The helical insert has a plastic interior (3), corresponding to the screw profile (6), extruded over a metal exterior (2) having a series of points (8). The insert is placed in a pre-drilled hole, the inner diameter of the insert being less than the screw's outer diameter. As the screw is screwed into the insert the interference between the two forces the outer metal points into the wood, the points being so shaped to prevent extraction of the insert.
FR7435833A 1974-10-25 1974-10-25 Helical fixing insert for wood screws - has internal plastic on metal support with points forced into wood of bore receiving screw Granted FR2288907A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7435833A FR2288907A1 (en) 1974-10-25 1974-10-25 Helical fixing insert for wood screws - has internal plastic on metal support with points forced into wood of bore receiving screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435833A FR2288907A1 (en) 1974-10-25 1974-10-25 Helical fixing insert for wood screws - has internal plastic on metal support with points forced into wood of bore receiving screw

Publications (2)

Publication Number Publication Date
FR2288907A1 true FR2288907A1 (en) 1976-05-21
FR2288907B3 FR2288907B3 (en) 1977-08-05

Family

ID=9144441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435833A Granted FR2288907A1 (en) 1974-10-25 1974-10-25 Helical fixing insert for wood screws - has internal plastic on metal support with points forced into wood of bore receiving screw

Country Status (1)

Country Link
FR (1) FR2288907A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994005920A1 (en) * 1992-09-04 1994-03-17 Multiclip Company Limited Securing devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994005920A1 (en) * 1992-09-04 1994-03-17 Multiclip Company Limited Securing devices

Also Published As

Publication number Publication date
FR2288907B3 (en) 1977-08-05

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Legal Events

Date Code Title Description
ST Notification of lapse