Patents by Inventor Cals Hubertus

Cals Hubertus 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).

  • Apparatus and method for expanding a slit sheet material to form an expanded packaging product
    Patent number: 11059256
    Abstract: An apparatus (10) for converting a slit-sheet stock material (16) into an expanded dunnage product (12) includes a housing (20), a pair of rollers (22, 24) within the housing extending widthwise across a path of the sheet material, and a plurality of guide strips (90) extending from an upstream side of the pair of rollers to a downstream side of the pair of rollers at a plurality of locations spaced across the width of the path. The guide strips guide the sheet material between and around the rollers. Exemplary rollers have a plurality of grooves spaced across the width of the path, and the guide strips are received in respective grooves. The guide strips may be connected by a crossbar to form a guide member.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: July 13, 2021
    Assignee: Ranpak Corp.
    Inventors: Robert Cheich, Raimond Demers, Cals Hubertus, Peter Urban
  • APPARATUS AND METHOD FOR EXPANDING A SLIT SHEET MATERIAL TO FORM AN EXPANDED PACKAGING PRODUCT
    Publication number: 20170313017
    Abstract: An apparatus (10) for converting a slit-sheet stock material (16) into an expanded dunnage product (12) includes a housing (20), a pair of rollers (22, 24) within the housing extending widthwise across a path of the sheet material, and a plurality of guide strips (90) extending from an upstream side of the pair of rollers to a downstream side of the pair of rollers at a plurality of locations spaced across the width of the path. The guide strips guide the sheet material between and around the rollers. Exemplary rollers have a plurality of grooves spaced across the width of the path, and the guide strips are received in respective grooves. The guide strips may be connected by a crossbar to form a guide member.
    Type: Application
    Filed: November 13, 2015
    Publication date: November 2, 2017
    Applicant: Ranpak Corp.
    Inventors: Robert Cheich, Raimond Demers, Cals Hubertus, Peter Urban