US1378122A - Sparking plug - Google Patents

Sparking plug Download PDF

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Publication number
US1378122A
US1378122A US276543A US27654319A US1378122A US 1378122 A US1378122 A US 1378122A US 276543 A US276543 A US 276543A US 27654319 A US27654319 A US 27654319A US 1378122 A US1378122 A US 1378122A
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US
United States
Prior art keywords
plug
insulating material
sparking plug
groove
ring
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 - Lifetime
Application number
US276543A
Inventor
Leymarie Edmond
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US276543A priority Critical patent/US1378122A/en
Application granted granted Critical
Publication of US1378122A publication Critical patent/US1378122A/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement

Definitions

  • This invention relates to ignition or sparking plugs and has for its object to provide an improved device of this kind.
  • the improvement consists principally in. securing the insulating material in the body of the plug by means of a metal ring which is deformed under pressure thus insuring proper connection of the two parts.
  • the drawing represents in vertical section an ignition plug in which the insulating material is secured in the body by means of a ring.
  • the insulating material of the plug is shown at 1 and at 2 the metal body surrounding the insulating material and having an undercut groove 3.
  • the metal ring 4 is placed around the insulating material and pressure is brought to bear on this ring so that it is deformed and fills the groove 3 and thus pr0- vides a suitable joint between the two parts.
  • a spark plug including a metallic body portion having an axial opening therethrough and an undercut angular groove adacent to the upper end of the opening, an
  • insulating barrel located within said body portion having a face inclined toward and substantially parallel with said undercut groove and a metallic ring forced against said inclined face and into said groove to bind the insulating barrel in position Within the body portion.

Description

E LEYMARIE.
-SPARKING PLUG.
APPLICATIONYHLED FEB. I2, 1919'.
1,378, 1 22. Patented May 17, 1921.
QFFEQEQ EDMOND LEYMARIE, 01 PARIS, FRANGE.
SPARKIITG PLUG.
Specification of Letters Patent.
Patented May 1'? 1921.
Application filed February 12, 1919. Serial No. 276,548.
Paris, Department of the Seine, in France,
and Whose post-office address is 60 Boulevard de Clichy, 1n said city, have invented certain new and useful Improvements in Sparking Plugs; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it app'ertains to make and use the same.
This invention relates to ignition or sparking plugs and has for its object to provide an improved device of this kind. The improvement consists principally in. securing the insulating material in the body of the plug by means of a metal ring which is deformed under pressure thus insuring proper connection of the two parts.
The invention is described hereafter in detail with reference to the accompanying drawing, which shows diagrammatically by way of example aconstructional form of the invention.
The drawing represents in vertical section an ignition plug in which the insulating material is secured in the body by means of a ring.
The insulating material of the plug is shown at 1 and at 2 the metal body surrounding the insulating material and having an undercut groove 3. 4: represents the metal ring which serves to fix the insulating ma terial in the body of the plug.
To hold the insulating material 1 in the body of the plug 2, the metal ring 4 is placed around the insulating material and pressure is brought to bear on this ring so that it is deformed and fills the groove 3 and thus pr0- vides a suitable joint between the two parts.
I claim:
A spark plug, including a metallic body portion having an axial opening therethrough and an undercut angular groove adacent to the upper end of the opening, an
insulating barrel located within said body portion having a face inclined toward and substantially parallel with said undercut groove and a metallic ring forced against said inclined face and into said groove to bind the insulating barrel in position Within the body portion.
In testimony whereof I aiiix my signature.
EDMOND LEYMARIE.
US276543A 1919-02-12 1919-02-12 Sparking plug Expired - Lifetime US1378122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US276543A US1378122A (en) 1919-02-12 1919-02-12 Sparking plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US276543A US1378122A (en) 1919-02-12 1919-02-12 Sparking plug

Publications (1)

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US1378122A true US1378122A (en) 1921-05-17

Family

ID=23057054

Family Applications (1)

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US276543A Expired - Lifetime US1378122A (en) 1919-02-12 1919-02-12 Sparking plug

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US (1) US1378122A (en)

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