US3291984A - Flexible hermetically sealed X-ray film pack with elastic material in compression therein - Google Patents

Flexible hermetically sealed X-ray film pack with elastic material in compression therein Download PDF

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Publication number
US3291984A
US3291984A US370700A US37070064A US3291984A US 3291984 A US3291984 A US 3291984A US 370700 A US370700 A US 370700A US 37070064 A US37070064 A US 37070064A US 3291984 A US3291984 A US 3291984A
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US
United States
Prior art keywords
ray film
hermetically sealed
compression
elastic material
film pack
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
US370700A
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English (en)
Inventor
Wasser Eric Sigvard
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Individual
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Individual
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Publication date
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Publication of US3291984A publication Critical patent/US3291984A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • G03B42/04—Holders for X-ray films
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/28—Locating light-sensitive material within camera
    • G03B17/32—Locating plates or cut films
    • G03B17/34—Changing plates or cut films

Definitions

  • the invention relates to an X-ray film pack comprising a covering which is closed in air-tight manner at its edge and encloses an X-ray film as well as intensifier foils bearing against said film under pressure.
  • intensifier foils which bear on the two emulsion sides of the light-sensitive X-ray film.
  • the intensifier foils When the X-ray radiation strikes on these intensifier foils, they fiuoresce and produce visible light, which acts on the X-ray film.
  • One known process for achieving such a good contact consists in that the intensifier foils, with the X-ray film disposed therebetween, are arranged in a rubber cassette and that thereafter the air is removed from the cassette. In this way, there is obtained a uniformly distributed pressure over the entire cassette and the foils are pressed against the film.
  • This method presupposes, however, that the cassette has a valve and a suitable closure device; in addition, a suction pump is required for the evacuation.
  • a more simple method of obtaining a satisfactory vacuum in an X-ray film pack of the type initially referred to consists according to the invention in arranging, between the covering and an intensifier foil, a layer of United States Patent 0 "ice an elastically compressible material which is enclosed in the compressed condition in the pack.
  • the insert consisting of film, intensifier foils and the layer of elastically compressible material are placed in a rubber sheath or in a sheath of soft plastic, thereafter a pressure is exerted on the sheath from outside, which compresses the layer of elastically compressible material and then, while maintaining the pressure on the sheath, the latter is sealed, either by adhesives or by another mechanical method, or if it is a plastic sheath, it is heat bonded.
  • the result hereby achieved is that after the air-tight closure of the sheath and after removing the external pressure acting on the sheath, the external air pressure and the intrinsic elasticity of the compressible material force the intensifier foil satisfactorily against the X-ray film. It is not necessary in this case to use a pump for the evacuation of the covering.
  • the elastically compressible material expediently consists of foam rubber or foam plastic.
  • An X-ray film pack comprising a hermetically sealed envelope of soft and flexible material of the class consisting of rubber and plastic, and within the envelope an X-ray film, intensifier foils on either side of the X-ray film, and an elastically compressible solid material in compression between the envelope and a said foil.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Buffer Packaging (AREA)
  • Packages (AREA)
  • X-Ray Techniques (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
US370700A 1963-05-27 1964-05-27 Flexible hermetically sealed X-ray film pack with elastic material in compression therein Expired - Lifetime US3291984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE5819/63A SE305367B (en)) 1963-05-27 1963-05-27

Publications (1)

Publication Number Publication Date
US3291984A true US3291984A (en) 1966-12-13

Family

ID=20267307

Family Applications (1)

Application Number Title Priority Date Filing Date
US370700A Expired - Lifetime US3291984A (en) 1963-05-27 1964-05-27 Flexible hermetically sealed X-ray film pack with elastic material in compression therein

Country Status (3)

Country Link
US (1) US3291984A (en))
GB (1) GB1060752A (en))
SE (1) SE305367B (en))

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348042A (en) * 1965-02-10 1967-10-17 Picker X Ray Mfg Ltd Flexible, light-impervious, fluid-tight X-ray film pack
US3392281A (en) * 1964-10-13 1968-07-09 Eastman Kodak Co Method and apparatus for conditioning an X-ray film pack for exposure by evacuatingaid film pack
US3419719A (en) * 1965-07-19 1968-12-31 Eastman Kodak Co X-ray film pack containing absorbable gas and means for absorbing said gas
US3986035A (en) * 1972-03-25 1976-10-12 Andreas Schmitzer Vacuum film holder for X-ray films and intensifying foils
US5973768A (en) * 1996-07-03 1999-10-26 Imation Corp. Light-tight bag having a trapped air exit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852692A (en) * 1953-10-02 1958-09-16 Siemens Reiniger Werke Ag Plate holder for X-ray films
US2925766A (en) * 1955-09-10 1960-02-23 Ceaverken Ab Locking devices for photographic cassettes, particularly cassettes for xray photographs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852692A (en) * 1953-10-02 1958-09-16 Siemens Reiniger Werke Ag Plate holder for X-ray films
US2925766A (en) * 1955-09-10 1960-02-23 Ceaverken Ab Locking devices for photographic cassettes, particularly cassettes for xray photographs

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3392281A (en) * 1964-10-13 1968-07-09 Eastman Kodak Co Method and apparatus for conditioning an X-ray film pack for exposure by evacuatingaid film pack
US3348042A (en) * 1965-02-10 1967-10-17 Picker X Ray Mfg Ltd Flexible, light-impervious, fluid-tight X-ray film pack
US3419719A (en) * 1965-07-19 1968-12-31 Eastman Kodak Co X-ray film pack containing absorbable gas and means for absorbing said gas
US3986035A (en) * 1972-03-25 1976-10-12 Andreas Schmitzer Vacuum film holder for X-ray films and intensifying foils
US5973768A (en) * 1996-07-03 1999-10-26 Imation Corp. Light-tight bag having a trapped air exit

Also Published As

Publication number Publication date
GB1060752A (en) 1967-03-08
SE305367B (en)) 1968-10-21

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