A photographic film assemblage for a diffusion transfer film

Claim 2

A photographic film assemblage as defined in claim 2 wherein the number of members for engaging said one side of said one film unit is more than one.

Claim 3

A photographic film assemblage as defined in claim 2 further including a plurality of film units disposed between said one film unit and said means for urging said one film unit into engagement with said one member.

Claim 4

A photographic film assemblage as defined in claim 1 wherein said container includes a forward wall having a light-transmission section therein through which said one film unit is adapted to be exposed and a withdrawal slot at one end of said container through which said one film unit is adapted to be extracted therefrom and said distribution control means includes means integrally formed with said forward wall for engaging one side of said one film unit and means for urging said one film unit into engagement with said film engaging means and for cooperating with said film engaging means to apply said compressive pressure to said selective portion of said image-forming area to effect uniform distribution of the liquid processing composition during treatment of said one film unit.

Claim 5

A photographic film assemblage as defined in claim 5 wherein said means for engaging one side of said one film unit includes at least one projection depending from said forward wall.

Claim 6

A photographic film assemblage as defined in claim 5 wherein said means for engaging said one side of said one film unit includes a plurality of projections depending from said forward wall.

Claim 7

A photographic film assemblage as defined in claim 5 wherein said means for engaging said oNe side of said one film unit includes a portion of said forward wall bounded by at least one recess integrally formed with said forward wall.

Claim 8

A photographic film assemblage as defined in claim 5 wherein said forward wall includes a plurality of recesses formed therein and said means for engaging said one side of said one film unit includes a portion of said forward wall intermediate said plurality of recesses.

Claim 9

A photographic film assemblage as defined in claim 5 wherein said means for engaging said one side of said one film unit includes a bearing surface intermediate a pair of openings in said forward wall.

Claim 10

A photographic film assemblage as defined in claim 5 further including a plurality of film units arranged in stacked relation between said one film unit and said means for urging said one film unit into engagement with said film engaging means.

Claim 11

A photographic film assemblage as defined in claim 1 wherein each said film unit includes a photosensitive layer, a superposed image-receiving layer, and a rupturable container having a liquid processing composition therein which is adapted to be distributed between predetermined layers of said film unit.

Claim 12

A photographic film assemblage comprising: a container including a forward wall having a light-transmission section therein and a withdrawal slot at one end of said container; a plurality of film units each including a photosensitive layer, a superposed image-receiving layer, and a rupturable container having a liquid processing composition therein which is adapted to be distributed between predetermined layers of said film unit, said film units being arranged in stacked relation within said container with a forwardmost film unit located adjacent said forward wall in position for exposure through said light-transmission section and its container of processing composition located adjacent to and in alignment with said withdrawal slot such that said forwardmost film unit may be extracted from said container therethrough for spreading of said liquid processing composition; and means for controlling the distribution of said processing composition during spreading including means integrally formed with said forward wall adjacent said withdrawal slot for engaging a selective portion of a surface of said forwardmost film adjacent said forward wall.

Claim 13

A photographic film assemblage as defined in claim 13 further including film support means for urging said stack of film units towards said forward wall and for cooperating with said film engaging means to apply a compressive pressure to said selective portion of said forwardmost film unit to effect uniform distribution of said liquid processing composition between said predetermined layers.

Claim 14

A photographic film assemblage for use with photographic apparatus of the type including pressure applying means for spreading a liquid processing composition between superposed layers of a film unit as the film unit is advanced relative to the pressure applying means, said film assemblage comprising: a container; at least one film unit including a photosensitive layer, a superposed image-receiving layer, and a rupturable container having a liquid processing composition therein which is adapted to be distributed between predetermined layers of said one film unit, said one film unit being adapted to be advanced from said container into operative association with the pressure applying means for discharging said liquid from said rupturable container and distributing said liquid as said film unit is advanced relative to the pressure applying means; and means associated with said container for controlling the distribution of said liquid processing composition between said predetermined layers, as it is distributed by the pressure applying means, by applying a compressive pressure to a selective portion of said one film unit.

Claim 15

A photographic film assemblage as defined in claim 15 wherein said liquid processing composition is disCharged from said rupturable container in a mass which is spread along a wave front traveling in a direction which is substantially parallel to the direction of film unit advancement relative to the pressure applying means and said distribution control means serves to retard a portion of the wave front and cause a flow of liquid in a direction transverse to the direction of film advancement.

Claim 16

A photographic film assemblage as defined in claim 15 wherein the pressure applying means apply a first compressive pressure to said one film unit to cause discharge of said liquid from said rupturable container and subsequent distribution and said distribution control means apply a second compressive pressure to said one film unit in the path of said liquid wave front to effect the uniform distribution of said liquid between said predetermined layers of said film unit.

Claim 17

A photographic film assemblage as defined in claim 17 wherein said container includes a forward wall having a light-transmission section therein through which said one film unit is adapted to be exposed and a withdrawal slot at one end of said container which is adapted to be aligned with the pressure applying means of said apparatus such that said one film unit may be advanced through said slot into operative association with the pressure applying means subsequent to exposure and said distribution control means include means integrally formed with said forward wall adjacent to said withdrawal slot for engaging one surface of said one film unit and means cooperating with said film engaging means for urging said one surface into engagement with said film engaging means to apply a compressive pressure to said selective portion of said one film unit to effect the uniform distribution of said liquid as it is distributed by the pressure applying means.

Claim 18

A photographic film assemblage as defined in claim 18 wherein said means integrally formed with said forward wall for engaging said one surface of said one film unit includes at least one projection depending from said forward wall.

Claim 19

A photographic film assemblage as defined in claim 18 wherein said means integrally formed with said forward wall for engaging said one surface of said one film unit includes a bearing surface defined by at least one recess formed in said forward wall adjacent said withdrawal slot.

Claim 20

A photographic film assemblage as defined in claim 18 further including a plurality of film units disposed between said one film unit and said means for urging said one film unit into engagement with said film engaging means such that said one film unit is the forwardmost film unit in the stack.

Claim 21

A photographic film assemblage as defined in claim 18 wherein said forward wall is relatively flexible and is adapted to engage and be restrained by structure within the photographic apparatus for accurately locating said film engaging means in operative relation with said one surface of said one film unit.

Claim 22

A photographic film assemblage as defined in claim 18 wherein said one surface of said film unit includes a transparent sheet through which actinic radiation is adapted to pass to expose said photosensitive layer.

Claim 23

A photographic film assemblage as defined in claim 18 wherein said means integrally formed with said forward wall for engaging one surface of said one film unit is dimensioned to be narrower than the width of said withdrawal slot.

Claim 24

A photographic film assemblage as defined in claim 15 wherein said one film unit includes leading and trailing end margins and lateral margins which cooperate to define the bounds of an image forming area and said liquid is adapted to be discharged adjacent said leading end margin and progressively advanced along a wave front towards said trailing end longitudinal margin by the pressure applying means and said distribution control means is adapted to retard a selective portion of the wave front to cause a portion of said liquid to flow towards said lateral margin to effect a more uniform lateral distribution of said liquid between said photosensitive and image-receiving elements.

Claim 25

A photographic film assemblage as defined in claim 25 wherein said distribution control means engage and apply a compressive pressure to selective portions of said image-forming area of said film unit to retard a selective portion of the wave front.