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US 2002/0164090 A1Published application
Sealable valve bag and method for making a sealable valve bag
AssigneeHood Packaging Corporation
InventorGene D. Schneck
Life of this patent
Estimating the term…
Abstract
The valve bag includes a bag body having a valve end portion, the valve end portion constructed to form a filling passage in which a valve sleeve is inserted. The valve sleeve has a first end extending into the interior of the valve bag and a second end extending exteriorily from the bag body. A valve protection member is secured to the second end.
Claims10
A valve bag apparatus for the containment of material, comprising:
- a bag body portion having a valve end portion;
- a filling passage formed in the bag body at the valve end portion;
- a sealable valve sleeve secured within the filling passage, the sealable valve sleeve having a first end extending into the interior of the bag body and a second end extending exteriorily from the bag body;
- and
- a protection member secured to the second end.
2 more elements
A valve bag apparatus for the containment of material, comprising:
- a bag body portion having a valve end portion;
- at least one in-folded flap member and at least one out-folded flap member disposed in the valve end portion to form a filling passage;
- a sheet secured to the filling passage having a first end extending inwardly to a position within the bag body and a second end extending exteriorily from the bag body, the sheet having a first edge and a second edge disposed substantially adjacent to each other to define an interior surface and an exterior surface;
- a heat sealable material coating the interior surface;
- and
- a protective member secured to the second end.
3 more elements
A method of constructing a valve bag, the method comprising the steps of:
- providing a bag body portion having a valve end portion;
- constructing a filling passage in the bag body at the valve end portion;
- securing a valve sleeve within the filling passage, the valve sleeve having a first end extending into the bag body and a second end extending exteriorily from the bag body;
- and
- securing a protective member to the second end.
2 more elements
Dependencies are inferred from the claim text.