US3081611A - Lighter casing structure - Google Patents

Lighter casing structure Download PDF

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Publication number
US3081611A
US3081611A US785A US78560A US3081611A US 3081611 A US3081611 A US 3081611A US 785 A US785 A US 785A US 78560 A US78560 A US 78560A US 3081611 A US3081611 A US 3081611A
Authority
US
United States
Prior art keywords
casing
lighter
top wall
wall
side wall
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
US785A
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English (en)
Inventor
Smith James Donald
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.)
Ronson Corp
Original Assignee
Ronson Corp
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 Ronson Corp filed Critical Ronson Corp
Priority to US785A priority Critical patent/US3081611A/en
Priority to DER21612U priority patent/DE1833434U/de
Priority to AT12061A priority patent/AT246468B/de
Priority to CH13061A priority patent/CH372492A/fr
Application granted granted Critical
Publication of US3081611A publication Critical patent/US3081611A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00—Lighters containing fuel, e.g. for cigarettes
    • F23Q2/34—Component parts or accessories
    • F23Q2/52—Filling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00—Lighters containing fuel, e.g. for cigarettes
    • F23Q2/34—Component parts or accessories

Definitions

  • the invention in one of its aspects relates to a cigar lighter casing which serves as the main support for the working, parts of the lighter and also acts as a confining wall for the fuel contained in the lighter, the primary objective being a structure satisfactory for such purposes which will enable the same to be constructed of extruded aluminum without entailing parts which would render unduly diiiicult the production of the casing by known impact extrusion techinque.
  • the invention has particular advantage as applied to lighters of the butane type wherein the wall structure surrounding the fuel chamber should be of high strength because of the radically higher internal uid pressures entailed in lighters fueled by butane gas and the like as compared to lighters fueled by so called lighter fluid in liquid form.
  • a casing constructed in accordance with the present invention due to the superior strength Vs. weigh-t characteristics of extruded aluminum as compared to lighter casings previously used for such purposes, enables a marked reduction in weight to be secured while still maintaining adequate strength in the surrounding wall of Ithe fuel chamber when charged with a normal amount of fuel of the butane type even when the lighter is subjected to tropical temperature conditions.
  • a reduction in weight may be thereby readily obtained, amounting lto about l/s in comparison with lighter casing structures previously used for the reception of fuels of the butane type, which is especially advantageous in pocket lighters.
  • Such a casing constructed of extruded aluminum is also advantageous in lighters irrespective of the type of fuel employed, in that the material is compatible with so called anodizin g treatments, in contrast for example with die-cast lighter casings as heretofore uesd. This enables desirable finished surface effects to be obtained by such anodizng treatment which are not possible, for example, with diecast lighter casings as heretofore used.
  • die-cast lighter casngs also have not had sufficient strength to serve satisfactorily under the fluid pressures obtaining in lighters of the butane type.
  • Accessory elements for mounting the working parts of the lighter on the casing, may be provided as unitary integral parts of the main casing, incidental to the formation of the casing by impact extrusion, also without rendering the operation unduly difiicult.
  • the invention in another aspect involves a windshield structure used as a protection for the flame of the lighter, which is adapted in construction for use in connection with a lighter casing of the type above referred to, this windshield structure having advantages in respect to the effective admixture of air with the' ⁇ gases to be ignited when the lighter is actuated, to promote reliable ignition.
  • FIG. 1 is a central vertical sectional view taken through a preferred form of lighter casing constructed in accordance with the invention, the casing being shown prior to the assembly therewith of the various operating parts constituting the complete lighter, and with its accompanying bottom wall plate shown separately.
  • FIG. 2 is a side elevation with certain parts cut away, showing the lighter casing of FIG. l in assembled relation with various working parts of a complete lighter.
  • FIG. 3 is a view similar to FIG. 1, but showing the lighter casing in its initial as extruded condition.
  • FIG. 4 is a detail sectional view taken on lines 4-4 of FIG. 2 looking in the direction of the arrows, but with the closure cap, sparking wheel, and fingerpiece of the lighter removed.
  • the invention is shown as applied to a lighter having a main casing provided with a top wall 1 from the peripheral portions of which an enclosing side wall 2 depends.
  • a pair of spaced ears 3 extend upwardly to constitute a support for a sparking wheel and certain other working parts of the lighter as hereinafter described in greater detail.
  • a ange 4 preferably extends upwardly from top wall 1 to serve as a tingerpiece guard as later set forth in more detail.
  • ⁇ the flange 4 merges at its extremities into the side of the ears 3, both of the above parts being in the nature of upward extensions of the side wall 2, as shown in FIG. 2.
  • the top wall 1 of the casing may also be provided with a post 5 which .extends down into the interior of the casing and also preferably projects somewhat above the top wall.
  • the above described casing and appurtenant parts constitute a structure which may be satisfactorily formed as a unitary product by a single operation comprising the cold impact extrusion of aluminum, an aluminum base alloy relatively high in tensile strength being preferably employed for reasons already stated, the parts entering into the casing structure being of a configuration and so correlated that special techniques in connection with the'extrusion are not required.
  • FIG. 3 shows the casing structure in its initial as extruded condition, the side wall Z having an extended annular lip 2 a which is cut off as indicated by the dotted line 2b (FIG. 3). Then as indicated in FIG. 1, the Vtop wall 1 of the casing is tapped out to provide a threaded hole 6 for the reception of a burner valve structure, and a further threaded hole 7 for the reception of a flint tube, the ears 3 being provided with holes 7a to receive a'stud 21 which carries the sparking wheel of the lighter, and the post 5 being bored out as shown in FIG. l to receive the plunger of the tingerpiece of the lighter.
  • the space within the casing serves as a fluid tight fuel chamber 8, the bottom of which is closed by a bottom wall member 9 which also is preferably constructed of extruded aluminum or aluminum ⁇ base alloy.
  • This bottom wall member 9 is shown as provided with a peripheral flange 10 (FIG. l) which seats against the rim at the bottom of side wall 2, the annular side wall 11 of member 9 tting closely within the bottom portion of side wall 2, and the joint between the members 2 and 9 being preferaoly sealed by a synthetic resin of the heat-setting type.
  • the bottom wall member 9 may be provided with a threaded hole 12 for the reception of a fuel charging valve, and a further opening 13 for the reception of a flint tube.
  • a fuel charging valve 14 is shown as mounted in the threaded hole 12, and this valve may be understood as of a type appropriate for injecting butane or like fuel into chamber S. Since valves appropriate for such purposes are known in the art, the valve 14 will not be

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighters Containing Fuel (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
US785A 1960-01-06 1960-01-06 Lighter casing structure Expired - Lifetime US3081611A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US785A US3081611A (en) 1960-01-06 1960-01-06 Lighter casing structure
DER21612U DE1833434U (de) 1960-01-06 1961-01-04 Feuerzeug, insbesondere gasfeuerzeug.
AT12061A AT246468B (de) 1960-01-06 1961-01-05 Feuerzeug
CH13061A CH372492A (fr) 1960-01-06 1961-01-06 Briquet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785A US3081611A (en) 1960-01-06 1960-01-06 Lighter casing structure

Publications (1)

Publication Number Publication Date
US3081611A true US3081611A (en) 1963-03-19

Family

ID=21693023

Family Applications (1)

Application Number Title Priority Date Filing Date
US785A Expired - Lifetime US3081611A (en) 1960-01-06 1960-01-06 Lighter casing structure

Country Status (4)

Country Link
US (1) US3081611A (fr)
AT (1) AT246468B (fr)
CH (1) CH372492A (fr)
DE (1) DE1833434U (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1889342A (en) * 1928-12-26 1932-11-29 Art Metal Works Inc Pocket lighter
US1900684A (en) * 1928-11-24 1933-03-07 Art Metal Works Inc Lighter construction
US2105072A (en) * 1935-08-06 1938-01-11 Dubsky Arthur Pyrophoric igniter
US2153432A (en) * 1934-11-17 1939-04-04 Julius Vignati Lighter
AT189425B (de) * 1954-12-15 1957-03-25 Maximilian Dipl Ing Kohn Feuerzeug
US2804763A (en) * 1954-08-16 1957-09-03 Raymond T Moloney Metering valve for pocket lighters

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1900684A (en) * 1928-11-24 1933-03-07 Art Metal Works Inc Lighter construction
US1889342A (en) * 1928-12-26 1932-11-29 Art Metal Works Inc Pocket lighter
US2153432A (en) * 1934-11-17 1939-04-04 Julius Vignati Lighter
US2105072A (en) * 1935-08-06 1938-01-11 Dubsky Arthur Pyrophoric igniter
US2804763A (en) * 1954-08-16 1957-09-03 Raymond T Moloney Metering valve for pocket lighters
AT189425B (de) * 1954-12-15 1957-03-25 Maximilian Dipl Ing Kohn Feuerzeug

Also Published As

Publication number Publication date
DE1833434U (de) 1961-06-22
AT246468B (de) 1966-04-25
CH372492A (fr) 1963-10-15

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