Patents Assigned to Celomat S.A.
  • Pressure-relief one-way valve applicable to a package containing a gas-releasing product, wherein there coexist a fluid medium and an air bubble, and a package including said valve
    Patent number: 7490623
    Abstract: A one-way pressure-relief valve (4) applicable to a package (1) which contains a gas releasing product, said package (1) comprising walls defining a package structure for said product, one of such walls (2) bearing at least one orifice (3) for gases to be expelled, on which orifice the one-way valve (4) is applied, valve (4) comprising a thin flexible bottom sheet (5) provided with an opening (7) and a thin flexible top sheet (6) overlapping bottom sheet (5), wherein bottom sheet (5) is attached to the top sheet (6) in a region defined by the edge of valve (4) and a closed perimeter (7?), the closed perimeter (7?) being defined on a substantially central region of valve (4), surrounding opening (7); a portion of closed perimeter (7?) being located substantially near a portion of the perimeter of opening (7), defining a first sector (8) within which a gas medium is enclosed, and the remaining portion of closed perimeter (7?) is located substantially apart from the remaining portion of opening (5) perimeter, de
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 17, 2009
    Assignee: Celomat S.A.
    Inventor: Christian Rypstra
  • Pressure-relief one-way valve applicable to a package containing a gas-releasing product, wherein there coexist a fluid medium and an air bubble, and a package including said valve
    Publication number: 20060076058
    Abstract: A one-way pressure-relief valve (4) applicable to a package (1) which contains a gas releasing product, said package (1) comprising walls defining a package structure for said product, one of such walls (2) bearing at least one orifice (3) for gases to be expelled, on which orifice the one-way valve (4) is applied, valve (4) comprising a thin flexible bottom sheet (5) provided with an opening (7) and a thin flexible top sheet (6) overlapping bottom sheet (5), wherein bottom sheet (5) is attached to the top sheet (6) in a region defined by the edge of valve (4) and a closed perimeter (7?), the closed perimeter (7?) being defined on a substantially central region of valve (4), surrounding opening (7); a portion of closed perimeter (7?) being located substantially near a portion of the perimeter of opening (7), defining a first sector (8) within which a gas medium is enclosed, and the remaining portion of closed perimeter (7?) is located substantially apart from the remaining portion of opening (5) perimeter, de
    Type: Application
    Filed: October 6, 2005
    Publication date: April 13, 2006
    Applicant: CELOMAT S.A.
    Inventor: Christian Rypstra