Patents by Inventor Carlo Gulmini

Carlo Gulmini 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: 5096130
    Abstract: Manipulating and selecting unit for recycling pressed or unpressed bodies obtained from plastic material containers as well as others, having a hopper for receiving containers to be processed and for conveying the containers to a cleanser for cleaning the containers and separating pressed from unpressed containers and conveying the pressed containers to a receiver and the unpressed containers to a squeezer or flattener for pressing the unpressed containers and applying to the receiver; a separation is coupled with the hopper for receiving pressed containers and separating them according to color and type of material; and then selecting and determining the type of recovered pressed containers, and forwarding the pressed containers to a processor in accordance with the type of material, whether plastic or not, and the color.
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: March 17, 1992
    Assignee: Govoni SpA
    Inventor: Carlo Gulmini
  • Patent number: 5042634
    Abstract: A system for collecting and recycling used containers made from metal and plastic materials, having two different operative cycles for processing the containers in a closed cubicle compartment provided with two openings for introducing containers while pre-separating the plastic from the metal containers; lower doors provide access to the cubicle for removal of processed containers, a gate including a central opening for receiving the neck and only allowing passage of the plastic container sensed by a neck sensor and for operating an electrically operated piston-cylinder assembly to operate the gate and permit the entire plastic bottle to be conveyed to a first roller set for squeezing thereof including intermediate rollers positioned between two squeezing rollers, the intermediate rollers having different diameters for reducing the size of the container, and the metal container is also conveyed to a second set of squeezing rollers and both types of containers pass a sensor for counting the number thereof, th
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: August 27, 1991
    Assignee: Govoni SpA
    Inventor: Carlo Gulmini