DE454254C - Ventilation arrangement on containers for holding film material - Google Patents

Ventilation arrangement on containers for holding film material

Info

Publication number
DE454254C
DE454254C DER65862D DER0065862D DE454254C DE 454254 C DE454254 C DE 454254C DE R65862 D DER65862 D DE R65862D DE R0065862 D DER0065862 D DE R0065862D DE 454254 C DE454254 C DE 454254C
Authority
DE
Germany
Prior art keywords
containers
film material
ventilation arrangement
holding film
divided
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
Application number
DER65862D
Other languages
German (de)
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.)
ALFONS VAN ROSSUM
Original Assignee
ALFONS VAN ROSSUM
Publication date
Priority to DER65862D priority Critical patent/DE454254C/en
Application granted granted Critical
Publication of DE454254C publication Critical patent/DE454254C/en
Expired legal-status Critical Current

Links

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/321—Holders for films, e.g. reels, cassettes, spindles
    • G03B21/323—Cassettes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Packages (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patentanspruch:Claim: Lüftungsanordnung an Behältern zur Aufnahme von Filmstoffen u. dgl., dadurch gekennzeichnet, daß die Behältertür in eine Mehrzahl durch Wandungen voneinander getrennter Lufträume (8, 9, J ο und 11) unterteilt ist, die miteinander sowie mit der Außenluft und dem Innenraum durch stufenartig angeordnete Durchlässe (12, 13, 14), deren oberer und unterer mit Sieben (15 bzw. 16) versehen ist, in Verbindung stehen.Ventilation arrangement on containers for receiving film materials and the like, thereby characterized in that the container door is divided into a plurality by walls from one another separate air spaces (8, 9, J ο and 11) that are divided with each other as well with the outside air and the interior through stepped passages (12, 13, 14), the upper and the lower one is provided with screens (15 or 16).
DER65862D Ventilation arrangement on containers for holding film material Expired DE454254C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER65862D DE454254C (en) Ventilation arrangement on containers for holding film material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER65862D DE454254C (en) Ventilation arrangement on containers for holding film material

Publications (1)

Publication Number Publication Date
DE454254C true DE454254C (en) 1928-01-04

Family

ID=7412738

Family Applications (1)

Application Number Title Priority Date Filing Date
DER65862D Expired DE454254C (en) Ventilation arrangement on containers for holding film material

Country Status (1)

Country Link
DE (1) DE454254C (en)

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