US2451121A - Illuminating flare - Google Patents

Illuminating flare Download PDF

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Publication number
US2451121A
US2451121A US740213A US74021347A US2451121A US 2451121 A US2451121 A US 2451121A US 740213 A US740213 A US 740213A US 74021347 A US74021347 A US 74021347A US 2451121 A US2451121 A US 2451121A
Authority
US
United States
Prior art keywords
casing
candle
fuze
flare
cover
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
US740213A
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English (en)
Inventor
Schermuly Conrad David
Schermuly Alfred James
Schermuly Charles
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US2451121A publication Critical patent/US2451121A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/26—Flares; Torches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B51/00—Marking of navigation route
    • B63B51/04—Marking of navigation route with free-floating flares

Definitions

  • This invention relates to illuminating flares of the kind which can be dropped into water and which will burn on the surface thereof.
  • a flare device of the said kind is described in our prior British Patent No. 579,703 dated June 29, 1944, which corresponds to these applicants co-pending U. S. application Serial No. 596,850 filed May 31, 1945, now U. S. Patent No. 2,448,471, the said device comprising a casing, a buoyancy chamber on said casing, a flare candle within said casing, a removable cover enclosing the lower part of said casing, a fuze in said cover adapted to be ignited when the device strikes the water, a candle ignition train leading from a point adjacent said fuze to the top of said flare candle and adapted to be ignited by said fuze, a separating charge within said cover for the purpose of separating said cover from said casing and means for igniting said separating charge after ignition of said candle ignition train.
  • the flare candle is contained in the lower end of the casing and the candle ignition train leads from a point adjacent the fuze, up through a passage provided in the buoyancy chamber, into the casing adjacent its upper end and down inside the casing to the top of the flare candle.
  • a flare device adapted to be dropped into water comprises a casing, a flare candle in the upper part of said casing, a buoyancy chamber surrounding part of said casing, a weighted cover surrounding the lower end of said casing, an ignition fuze in said cover, a separating charge in said cover for separating said cover from said casing, means for igniting said separating charge from said ignition fuze, and a candle ignition train leading from a point adjacent said ignition fuze, through an orifice adjacent the lower end of said casing and into contact with the lower end of said candle, the arrangement being such that when the cover is separated from said casing, said casing rises to the surface of the water 2 with the candle now in' the lower part of the casing and the lighted candle ignition train in the upper part of said casing.
  • a casing I is provided with a buoyancy chamber 2.
  • the lower part of the casing I is enclosed within a cover 3 which slides over the buoyancy chamber 2 and is secured to a swaged portion 4 of the latter by means of a soft-solder joint 5.
  • the lower end of the casing I is enclosed by a metal foil disc I secured to the casing by a weak soft-solder joint.
  • the upper end of the casing I is provided with stabilising fins 8 to steady the device when it is dropped from an aircraft.
  • the casing I contains a flare candle 9 which is held in position by means of a spacer I0 and a metal plug I3 which closes the upper end of easing I.
  • the lower end of the flare candle 9 is closed by a cover II of combustible material, such as book muslin, to which is secured a looped strip I2 of cambric, primed in the manner well known in the art.
  • the lower end of the casing I is surrounded by a block of wood I4, or similar material; formed into two halves, having a central orifice adapted to fit the casing I against which it is held in position by the cover 3.
  • the block I4 butts against the buoyancy chamber 2.
  • the block I4 is provided with a recess I5 into which flts a metal plate I6 resting against the foil disc I.
  • a block I! of cardboard or like material Beneath the plate I6 and also located in the recess I5 is a block I! of cardboard or like material, provided with a central orifice I8 and a passage I9 through which passes a length of instantaneous fuze 20.
  • the fuze 20 At its upper end the fuze 20 is joined to a length of delay fuze 2
  • a length of quickmatch 22 lightly tamped down at its lower end at 23.
  • and its connections with the instantaneous fuze 20 and the quickmatch 22 is suitably housed in a metal tube 24 passing through the side of casing I near its lower end.
  • the block I4 is provided with a cut-away portion 25 to accommodate the lower end of tube 24 and to allow the fuze 20 to pass from the passage I9 to the tube 24.
  • the tube 24 is crimped on to the fuze 20 at 26 to render the interior of the casing I watertight.
  • the upper end of the quickmatch 22 is formed into a loop passing through the strip I2 and ties to itself at 21.
  • the quickmatch 22 is surrounded by a paper tube 28.
  • is provided witl'i' an annular recess 34 which is filled witha sepaa i.
  • ; 22', [2, H) is Well started before-the separation'of the cover 3 00- curs.
  • the gases developed bythe burning candle 9+force ofi thefoil disc 1 and the surrounding area isiilluminated-by thefi'are, or ifthe candle 9 1s a smoke' flare a smoke signal will be produced.
  • the candle ignition train comprises a primed cambric disc adapted to be ignited by the said fuze, an instantaneous fuze having one end in contact with the said cambric disc, a delay fuze joined at one end to said instantaneous fuze and a'alength of; quickmatchjoinediat one end to said delay time and atthe other end to the lower end of said candle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
US740213A 1946-04-15 1947-04-08 Illuminating flare Expired - Lifetime US2451121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11470/46A GB610684A (en) 1946-04-15 1946-04-15 Improvements in illuminating flares

Publications (1)

Publication Number Publication Date
US2451121A true US2451121A (en) 1948-10-12

Family

ID=9986851

Family Applications (1)

Application Number Title Priority Date Filing Date
US740213A Expired - Lifetime US2451121A (en) 1946-04-15 1947-04-08 Illuminating flare

Country Status (4)

Country Link
US (1) US2451121A (xx)
FR (1) FR945080A (xx)
GB (1) GB610684A (xx)
NL (1) NL67161C (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859695A (en) * 1953-02-06 1958-11-11 Rolle Edward Submarine signal bomb
US3850075A (en) * 1956-06-14 1974-11-26 Mine Safety Appliances Co Mine anchor-line cutter with flare

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE931878C (de) * 1952-07-27 1955-08-18 J G W Berckholtz Fa Signalgeraet mit pyrotechnischer Ladung und einem diese aufnehmenden Gehaeuse sowie mit Reisszuender

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119697A (en) * 1935-08-13 1938-06-07 Victory Fireworks And Specialt Float light
US2240574A (en) * 1936-10-19 1941-05-06 Max J Eichschmidt Aircraft float light

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119697A (en) * 1935-08-13 1938-06-07 Victory Fireworks And Specialt Float light
US2240574A (en) * 1936-10-19 1941-05-06 Max J Eichschmidt Aircraft float light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859695A (en) * 1953-02-06 1958-11-11 Rolle Edward Submarine signal bomb
US3850075A (en) * 1956-06-14 1974-11-26 Mine Safety Appliances Co Mine anchor-line cutter with flare

Also Published As

Publication number Publication date
FR945080A (fr) 1949-04-25
GB610684A (en) 1948-10-19
NL67161C (xx)

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