Patents by Inventor Silvano Castellarin

Silvano Castellarin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6705779
    Abstract: The invention relates to an arrangement for preparing a liquid treatment solution for treating photosensitive material, said arrangement including a storage container for storing fresh treating solution to be fed to a development compartment of a development apparatus, a supply portion for supplying a dry component or components and/or one or several mixtures of components for preparing the treatment solution and a reception container for receiving a solvent, wherein according to the invention a mixing tank is interposed between said supply portion, said reception container and said storage container.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: March 16, 2004
    Assignee: San Marco Imaging Srl
    Inventors: Silvano Castellarin, Eni Scodellaro
  • Patent number: 6520695
    Abstract: A photographic processing chemical supplier for supplying photographic processing chemicals, in particular dry chemicals in powder form to a developer solution preparing means, comprising: a container having a receiving opening through which said photographic processing chemicals are receivable in said container and a supply opening through which the received photographic processing chemicals are supplyable out of said container to said developer solution preparing means; wherein an attaching means constituted such that a cartridge is removably attachable to the supplier by means of said attaching means; and opening/closing means for opening and closing said receiving opening constituted such that said receiving opening is closed if said cartridge is removed and such that said receiving opening is openable or open if said cartridge is attached.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: February 18, 2003
    Assignee: San Marco Imaging Srl
    Inventors: Silvano Castellarin, Eni Scodellaro
  • Publication number: 20010051050
    Abstract: A photographic processing chemical supplier for supplying photographic processing chemicals, in particular dry chemicals in powder form to a developer solution preparing means, comprising: a container having a receiving opening through which said photographic processing chemicals are receivable in said container and a supply opening through which the received photographic processing chemicals are supplyable out of said container to said developer solution preparing means; wherein an attaching means constituted such that a cartridge is removably attachable to the supplier by means of said attaching means; and opening/closing means for opening and closing said receiving opening constituted such that said receiving opening is closed if said cartridge is removed and such that said receiving opening is openable or open if said cartridge is attached.
    Type: Application
    Filed: June 6, 2001
    Publication date: December 13, 2001
    Applicant: SAN MARCO IMAGING Srl
    Inventors: Silvano Castellarin, Eni Scodellaro
  • Publication number: 20010026690
    Abstract: The invention relates to an arrangement for preparing a liquid treatment solution for treating photosensitive material, said arrangement including a storage container for storing fresh treating solution to be fed to a development compartment of a development apparatus, a supply portion for supplying a dry component or components and/or one or several mixtures of components for preparing the treatment solution and a reception container for receiving a solvent, wherein according to the invention a mixing tank is interposed between said supply portion, said reception container and said storage container.
    Type: Application
    Filed: March 27, 2001
    Publication date: October 4, 2001
    Applicant: San Marco Imaging Srl
    Inventors: Silvano Castellarin, Eni Scodellaro
  • Patent number: 4607930
    Abstract: Device for transferring the film holders in a film developer which was described by the Italian patent application No. 45731 A/82 of the same Applicant. Such a device is constituted by an arm (1) formed by two rods, a first fixed rod (2) which is applied in the same manner and is actuated by the same means provided to actuate the transferring arm of the above film developer, and a second movable rod (3) which is longitudinally slidable with respect to said fixed rod (2) and may assume two operating positions, a first position in which all the fork elements (21-31) which are arranged on both rods are equally spaced each other, so as to be able to catch a respective film holder (7) and to transfer it for each time in which said arm (1) is actuated.
    Type: Grant
    Filed: January 3, 1985
    Date of Patent: August 26, 1986
    Assignee: Gretag San Marco S.p.A.
    Inventor: Silvano Castellarin
  • Patent number: 4475799
    Abstract: A film developing machine includes a film loading section for receiving therein frames supporting film to be developed, a developing section having a series of basins for containing chemical baths used for development, a transferring system for transferring film supporting frames through the developing section and immersing the film in the chemical baths in the basins, and a drying and unloading section for receiving developed film from the developing section and drying the film. A light-tight casing houses each of the sections. A vertically movable guide moves film supporting frames downwardly within the film loading section to a lower portion thereof. A feeder is located in the developing section at a position beneath the lower portion of the film loading section and receives film supporting frames transferred from the guide and feeds such frames to the transferring system.
    Type: Grant
    Filed: September 8, 1983
    Date of Patent: October 9, 1984
    Assignee: Fotomec-San Marco S.p.A.
    Inventor: Silvano Castellarin