HK73379A - Anchor screw and extractor therefor - Google Patents

Anchor screw and extractor therefor

Info

Publication number
HK73379A
HK73379A HK733/79A HK73379A HK73379A HK 73379 A HK73379 A HK 73379A HK 733/79 A HK733/79 A HK 733/79A HK 73379 A HK73379 A HK 73379A HK 73379 A HK73379 A HK 73379A
Authority
HK
Hong Kong
Prior art keywords
anchor screw
extractor
therefor
extractor therefor
anchor
Prior art date
Application number
HK733/79A
Original Assignee
Carter As
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 Carter As filed Critical Carter As
Publication of HK73379A publication Critical patent/HK73379A/en

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
    • F16B23/0038—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 substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • 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"
    • F16B37/125—Threaded inserts, e.g. "rampa bolts" the external surface of the insert being threaded
    • F16B37/127—Threaded inserts, e.g. "rampa bolts" the external surface of the insert being threaded and self-tapping

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
HK733/79A 1976-01-09 1979-10-18 Anchor screw and extractor therefor HK73379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA760128A ZA76128B (en) 1976-01-09 1976-01-09 Anchor screw and extractor therefor

Publications (1)

Publication Number Publication Date
HK73379A true HK73379A (en) 1979-10-26

Family

ID=25569846

Family Applications (1)

Application Number Title Priority Date Filing Date
HK733/79A HK73379A (en) 1976-01-09 1979-10-18 Anchor screw and extractor therefor

Country Status (5)

Country Link
AU (1) AU510182B2 (en)
GB (1) GB1534414A (en)
HK (1) HK73379A (en)
IL (1) IL51026A (en)
ZA (1) ZA76128B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3347665A1 (en) * 1983-12-31 1985-07-11 Friedr. Ischebeck GmbH, 5828 Ennepetal Screw anchor
GB2289926B (en) * 1994-05-17 1997-09-10 Abbot Fixing Systems Ltd Fixing socket
AUPM587694A0 (en) * 1994-05-25 1994-06-16 Ramset Fasteners (Aust.) Pty. Limited Chemically-set anchor system
AU6269598A (en) * 1997-02-28 1998-09-18 Sofamor Danek Properties, Inc. Recessed drive fastener and cooperable driving tool
DE102011120094A1 (en) 2011-12-02 2013-06-06 Noe-Schaltechnik Georg Meyer-Keller Gmbh + Co. Kg Method for closing blind holes remaining in concrete after screwing out of reusable screw anchors in tunnel construction for rail or road vehicles, involves placing and screwing closure element into secondary wall section of blind hole
TWI800001B (en) * 2021-09-22 2023-04-21 王建和 Building formwork installation with locking elements
TWI808494B (en) * 2021-09-22 2023-07-11 王建和 lock

Also Published As

Publication number Publication date
GB1534414A (en) 1978-12-06
IL51026A0 (en) 1977-01-31
AU510182B2 (en) 1980-06-12
ZA76128B (en) 1977-02-23
AU2021576A (en) 1978-06-08
IL51026A (en) 1979-03-12

Similar Documents

Publication Publication Date Title
GB2018929B (en) Screw anchor
JPS539003A (en) Selffdrilling tapping anchor
JPS5348164A (en) Screw or nut and turn preventing combined
JPS5295644A (en) Composition and method
JPS5457060A (en) Screw type anchor bush
GB1537701A (en) Drills and self-drilling screws
GB2007216B (en) Isochromans siothiochromans 2-benzoxepins and benzothieps
JPS5350630A (en) Multiplying and dividing unit
JPS532464A (en) Composition and method
JPS52139040A (en) 22 and 33substituted enekephlin
HK73379A (en) Anchor screw and extractor therefor
JPS52153975A (en) Dihydroo and tetrahydroo iminothazidine
JPS5452067A (en) Arylphosphonite and thiophosphonite
JPS53111095A (en) Pyroloquinoxalines and pyrolobenzodiazepinons
JPS5441851A (en) Arylphosphonite and thiophosphonite
GB1556323A (en) Water-sterilising elements and water-sterilisation methods using same
GR60842B (en) Fastening unit constituted from screw and dowel
JPS5460641A (en) Selffthrough and selfftapping type screw
JPS5295660A (en) Tetrapeptideamide and intermediate thereof
JPS52109070A (en) Screw
JPS5384989A (en) Tetrathiapentalene and tetraselenapentalene compounds
JPS5328587A (en) Clouddproofing and dewwproofing composition
JPS52154959A (en) Screw
JPS5379151A (en) Screw and screw driver
JPS5642712A (en) Anchor and anchor unit