GB570682A - Improvements relating to tools for the manipulation of connections or instruments ofsensitive electrical apparatus and in the manufacture thereof - Google Patents

Improvements relating to tools for the manipulation of connections or instruments ofsensitive electrical apparatus and in the manufacture thereof

Info

Publication number
GB570682A
GB570682A GB1538143A GB1538143A GB570682A GB 570682 A GB570682 A GB 570682A GB 1538143 A GB1538143 A GB 1538143A GB 1538143 A GB1538143 A GB 1538143A GB 570682 A GB570682 A GB 570682A
Authority
GB
United Kingdom
Prior art keywords
tools
connections
electrical apparatus
wholly
ofsensitive
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
GB1538143A
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.)
HAROLD NORMAN COX
Stratton & Co Ltd
Original Assignee
HAROLD NORMAN COX
Stratton & Co 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 HAROLD NORMAN COX, Stratton & Co Ltd filed Critical HAROLD NORMAN COX
Priority to GB1538143A priority Critical patent/GB570682A/en
Publication of GB570682A publication Critical patent/GB570682A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0007—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components using handtools
    • 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
    • B25B15/002—Screwdrivers characterised by material or shape of the tool bit characterised by material used or surface finishing
    • 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
    • B25B15/02—Screwdrivers operated by rotating the handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/12—Handle constructions characterised by material or shape electrically insulating material
    • B25G1/125—Handle constructions characterised by material or shape electrically insulating material for screwdrivers, wrenches or spanners
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

Tools such as screw-drivers, pin spanners, &c. for manipulating connections of electrical apparatus are moulded wholly, or wholly except for small keying or engaging parts, of an electrically inert substance such as one of <PICT:0570682/IV/1> <PICT:0570682/IV/2> the synthetic resins loaded with cellulose, flock or other fibrous filling to add torsional strength. Fig. 1 shows a screw-driver formed wholly of such material comprising handle a with hand grip ribbed part d, stem b and flats e terminating in driver tip c. Fig. 4 shows a pin-spanner moulded of similar material except for the steel pins g.
GB1538143A 1943-09-20 1943-09-20 Improvements relating to tools for the manipulation of connections or instruments ofsensitive electrical apparatus and in the manufacture thereof Expired GB570682A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1538143A GB570682A (en) 1943-09-20 1943-09-20 Improvements relating to tools for the manipulation of connections or instruments ofsensitive electrical apparatus and in the manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1538143A GB570682A (en) 1943-09-20 1943-09-20 Improvements relating to tools for the manipulation of connections or instruments ofsensitive electrical apparatus and in the manufacture thereof

Publications (1)

Publication Number Publication Date
GB570682A true GB570682A (en) 1945-07-18

Family

ID=10058145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1538143A Expired GB570682A (en) 1943-09-20 1943-09-20 Improvements relating to tools for the manipulation of connections or instruments ofsensitive electrical apparatus and in the manufacture thereof

Country Status (1)

Country Link
GB (1) GB570682A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579220A1 (en) * 1992-07-13 1994-01-19 Snap-On Tools Corporation Electrically insulating composite hand tool
EP0706441A1 (en) * 1993-06-30 1996-04-17 U.S. Composites, Corp. Lightweight self-insulating composite tool
EP3382833B1 (en) * 2017-03-30 2020-12-16 GIRA GIERSIEPEN GmbH & Co. KG Mounting assembly for a modular mounting system, such as a system for door communication and building electronic installation and mounting tool for such a mounting assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579220A1 (en) * 1992-07-13 1994-01-19 Snap-On Tools Corporation Electrically insulating composite hand tool
EP0706441A1 (en) * 1993-06-30 1996-04-17 U.S. Composites, Corp. Lightweight self-insulating composite tool
EP0706441A4 (en) * 1993-06-30 1996-10-02 Us Composites Corp Lightweight self-insulating composite tool
EP3382833B1 (en) * 2017-03-30 2020-12-16 GIRA GIERSIEPEN GmbH & Co. KG Mounting assembly for a modular mounting system, such as a system for door communication and building electronic installation and mounting tool for such a mounting assembly

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