US1896525A - Film processing machine and method - Google Patents

Film processing machine and method Download PDF

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Publication number
US1896525A
US1896525A US569162A US56916231A US1896525A US 1896525 A US1896525 A US 1896525A US 569162 A US569162 A US 569162A US 56916231 A US56916231 A US 56916231A US 1896525 A US1896525 A US 1896525A
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US
United States
Prior art keywords
film
trough
pulley
developing
passes
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
US569162A
Other languages
English (en)
Inventor
Hunter Charles Roy
Robert M Pierce
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.)
Universal Pictures Corp
Original Assignee
Universal Pictures 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
Priority to FR744009D priority Critical patent/FR744009A/fr
Application filed by Universal Pictures Corp filed Critical Universal Pictures Corp
Priority to US569162A priority patent/US1896525A/en
Priority to GB23205/32A priority patent/GB404393A/en
Priority to DEU11880D priority patent/DE586939C/de
Application granted granted Critical
Publication of US1896525A publication Critical patent/US1896525A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00—Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/08—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material
    • G03D3/13—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for long films or prints in the shape of strips, e.g. fed by roller assembly
    • G03D3/135—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for long films or prints in the shape of strips, e.g. fed by roller assembly fed between chains or belts, or with a leading strip
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D11/00—Reversal processing apparatus

Definitions

  • FIG. 1 shows the First inversion process
  • our machine comprises three troughs arranged in a vertical tier, with a drying compartment positioned above the top trough.
  • Each trough is divided by a longitudinal partition into two compartments.
  • Figure 2 which shows the troughs spread out so as to disclose each one in plan view
  • the upper trough is divided by a central partition 4 to form a trough 5 for a clearing bath and a trough 6 for first developer.
  • a cross partition 7 is provided adjacent oneend of the developer trough to form a small container 8 containing a stop solution.
  • the second trough is also divided by a longitudinal partition 9 and a transverse partition 10 into a long trough 11 containing developer solution, a short trough 12 containing bleach, and a short trough 13 containing water or rinsing solution.
  • the lower tro'ugh is divided by a longitudinal partition 14 into troughs 15 and 16 containing water.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
US569162A 1931-10-16 1931-10-16 Film processing machine and method Expired - Lifetime US1896525A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR744009D FR744009A (is") 1931-10-16
US569162A US1896525A (en) 1931-10-16 1931-10-16 Film processing machine and method
GB23205/32A GB404393A (en) 1931-10-16 1932-08-18 Machines for treating photographic films
DEU11880D DE586939C (de) 1931-10-16 1932-08-21 Vorrichtung zur fortlaufenden Entwicklung, Fixierung, Bleichung, Waschung, Belichtung, Wiederentwicklung, Waschung und Trocknung von Filmstreifen zwecks Erzeugung von Positivfilmen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US569162A US1896525A (en) 1931-10-16 1931-10-16 Film processing machine and method

Publications (1)

Publication Number Publication Date
US1896525A true US1896525A (en) 1933-02-07

Family

ID=24274336

Family Applications (1)

Application Number Title Priority Date Filing Date
US569162A Expired - Lifetime US1896525A (en) 1931-10-16 1931-10-16 Film processing machine and method

Country Status (4)

Country Link
US (1) US1896525A (is")
DE (1) DE586939C (is")
FR (1) FR744009A (is")
GB (1) GB404393A (is")

Also Published As

Publication number Publication date
DE586939C (de) 1933-10-31
GB404393A (en) 1934-01-18
FR744009A (is") 1933-04-10

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