Method and apparatus for conveying a flexible, imperforate member through a fluid

Apparatus for conveying a photographic material through a liquid in photographic processing comprising,

• a container having a liquid therein,
• a support member having a generally cylindrical configuration positioned in said liquid in said container, said support member having a surface with a pervious portion,
• said pervious portion of said surface of said support member including a plurality of apertures disposed in a helical configuration over a substantial portion of said surface,
• said surface of said support member having spiral shaped ridges over a substantial portion thereof to provide a recessed area between pairs of said ridges for conveying a flexible carrier member therebetween over said surface,
• said plurality of apertures being disposed in a helical configuration in said recessed area between said ridges,
• a flexible carrier member positioned in overlying relation with said support member surface, said flexible carrier member having a pervious portion,
• conveying means for conveying said flexible carrier member in said liquid in abutting relation with said surface of said support member with said carrier pervious portion in overlying relation with said support member pervious portion,
• suction means for applying a suction through said pervious portion in said support member surface and through said pervious portion in said flexibile carrier member in overlying relation therewith, and
• said flexible carrier member arranged to engage a surface of a flexible, impervious photographic material by said suction through said pervious portion of said flexible carrier member, and thereby convey said flexible, impervious photographic material with said flexible carrier member on said surface of said support member.

Apparatus for conveying a photographic material through a plurality of liquids in photographic processing comprising,

• a plurality of containers each having a liquid therein,
• a support member having a generally U-shaped configuration positioned in the liquid in each container, said support member having a surface with a pervious portion and said pervious portion of said surface of said support member including a plurality of elongated, longitudinally extending slots,
• transfer means positioned between each of said plurality of containers for transferring flexible, impervious photographic material from one container to an adjacent container, said transfer means having a surface with a pervious portion,
• said transfer means surface having an arcuate configuration and said pervious portion of said surface of said transfer means including a plurality of elongated, longitudinally extending slots,
• a flexible carrier means positioned in overlying relation with said support member surface and said surface of said transfer means, said flexible carrier means having a pervious portion,
• conveying means for conveying said flexible carrier means in abutting relation with said surface of said support members and with said surface of said transfer means, with said flexible carrier means pervious portion in overlying relation with said support member pervious portion and with said transfer means surface pervious portion,
• suction means for applying a suction through said pervious portions of said surfaces of said support members, through said pervious portion of said surface of said transfer means, and through said pervious portion of said flexible carrier means in overlying relation therewith, and
• said flexible carrier means being arranged to engage a surface of a flexible, impervious photographic material by suction through said pervious portion of said flexible carrier means and thereby convey said flexible, impervious photographic material with said flexible carrier means on said surface of said support members and on said surface of said transfer means to convey said flexible, impervious photographic material through said liquid in said plurality of containers.

A method for transporting photographic material through a liquid bath comprising,

• positioning a support member having a generally cylindrical configuration in a container of liquid, said support member having a surface with spiral shaped ridges over a substantial portion thereof to provide a recessed area between said ridges and having a plurality of apertures disposed in a helical configuration in said recessed area on said surface,
• positioning a flexible carrier member having a pervious portion in overlying relation with said surface of said support member in said recessed area,
• positioning a flexible, impervious photographic material on said flexible carrier member,
• applying a suction through said apertures of said support member surface and through said pervious portion of said flexible carrier member to engage said flexible, impervious photographic material on said flexible carrier member by said suction, and
• conveying said flexible carrier member with said flexible, impervious photographic material engaged thereto on said surface of said support member in said recessed area through said liquid.

A method for transporting photographic material through a liquid bath comprising,

• positioning a support member having a U-shaped configuration in a container of liquid, said support member having a surface with a plurality of elongated, longitudinally extending slots therein,
• positioning a flexible carrier member having a pervious portion in overlying relation with said surface of said support member,
• positioning a flexible, impervious photographic material on said flexible carrier member,
• applying a suction through said elongated, longitudinally extending slots of said surface of said support member and through said pervious portion of said flexible carrier member to engage said flexible, impervious photographic material on said flexible carrier member by said suction, and
• conveying said flexible carrier member with said flexible, impervious photographic material engaged thereon on said surface of said support member through said liquid.