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US 3,961,655 AGranted
Bulk material containers
OwnerFrank Nattrass, Peter Johnson Nattrassinventors
Life of this patent
Estimating the term…
Abstract
A bag for transporting bulk material, comprising an outer bag member having a base section with an opening therein and side walls, means secured to upper parts of said side walls by way of which said bag may be lifted, an inner liner within said outer bag member, a lower end of said liner terminating in a tubular section, a retaining member normally retained at the base of said bag but capable of being released therefrom, means securing said tubular section to said retaining member, and a releasable closure means closing said tubular section.
Claims3
A bag, for transporting bulk material, comprising:
- an outer bag member comprising:
- a base section having an opening defined therein;
- and
- sidewalls;
- means, secured to upper parts of said sidewalls, by which said bag may be lifted;
- an inner liner within said outer bag member, said inner liner having a lower end terminating in a tubular section;
- a first tube secured to said base section around the opening therein and projecting outwardly from said base section;
- a second tube secured to said base section;
- said first tube being disposed within said second tube;
- said tubular section being disposed within said first tube;
- means releasably securing said tubular section within said first tube;
- and
- means releasably closing said second tube with said tubular section and said first tube being restrained wholly within said second tube by said releasable closing means.
10 more elements
Dependencies are inferred from the claim text.