GB723590A - Improvements relating to radio shielding shrouds for the spark plugs of internal-combustion engines - Google Patents

Improvements relating to radio shielding shrouds for the spark plugs of internal-combustion engines

Info

Publication number
GB723590A
GB723590A GB1944252A GB1944252A GB723590A GB 723590 A GB723590 A GB 723590A GB 1944252 A GB1944252 A GB 1944252A GB 1944252 A GB1944252 A GB 1944252A GB 723590 A GB723590 A GB 723590A
Authority
GB
United Kingdom
Prior art keywords
internal
combustion engines
spark plugs
improvements relating
radio shielding
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
GB1944252A
Inventor
Francis Joseph Peter Ju Burger
Alan Hugh Boud
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.)
BRITISH DIELEOTRIC RES Ltd
Original Assignee
BRITISH DIELEOTRIC RES 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 BRITISH DIELEOTRIC RES Ltd filed Critical BRITISH DIELEOTRIC RES Ltd
Priority to GB1944252A priority Critical patent/GB723590A/en
Publication of GB723590A publication Critical patent/GB723590A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/02—Details
    • H01T13/04—Means providing electrical connection to sparking plugs
    • H01T13/05—Means providing electrical connection to sparking plugs combined with interference suppressing or shielding means

Landscapes

  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

The screening tube of a sparking plug (see also Group XXVII) is provided with an internal layer of polytetrafluorethylene by making an aqueous suspension or dispersion thereof and flooding the interior of the tube therewith; this is followed by drying and sintering operations to obtain a continuous coating. The process may be repeated to build up a layer of the required thickness.
GB1944252A 1952-07-31 1952-07-31 Improvements relating to radio shielding shrouds for the spark plugs of internal-combustion engines Expired GB723590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1944252A GB723590A (en) 1952-07-31 1952-07-31 Improvements relating to radio shielding shrouds for the spark plugs of internal-combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1944252A GB723590A (en) 1952-07-31 1952-07-31 Improvements relating to radio shielding shrouds for the spark plugs of internal-combustion engines

Publications (1)

Publication Number Publication Date
GB723590A true GB723590A (en) 1955-02-09

Family

ID=10129460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1944252A Expired GB723590A (en) 1952-07-31 1952-07-31 Improvements relating to radio shielding shrouds for the spark plugs of internal-combustion engines

Country Status (1)

Country Link
GB (1) GB723590A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930710A (en) * 1974-09-23 1976-01-06 The United States Of America As Represented By The Secretary Of The Navy Connector backshell adapter and method of using same
US4497532A (en) * 1983-10-25 1985-02-05 General Motors Corporation Heat shielded, spark plug boot assembly
GB2240288A (en) * 1990-01-25 1991-07-31 Usui Kokusai Sangyo Kk A thick-walled, small diameter metal tubing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930710A (en) * 1974-09-23 1976-01-06 The United States Of America As Represented By The Secretary Of The Navy Connector backshell adapter and method of using same
US4497532A (en) * 1983-10-25 1985-02-05 General Motors Corporation Heat shielded, spark plug boot assembly
GB2240288A (en) * 1990-01-25 1991-07-31 Usui Kokusai Sangyo Kk A thick-walled, small diameter metal tubing
GB2240288B (en) * 1990-01-25 1993-12-15 Usui Kokusai Sangyo Kk Thick-walled small diameter metal tubing

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