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Bag system for transportation of bulk liquids
| Details |
Inventors: Takeuchi, Seiji;
Assignee: Don Fell Limited (Hamilton, CA); Lawrence Fell Limited (Hamilton, CA)
Primary Examiner: Rosenbaum; Mark
Assistant Examiner: Rising; V. K.
Attorney, Agent or Firm:
A bag of tough, flexible material, sealed to be liquid tight except for filling and emptying access ports, is designed for mounting in a standard transportation container. The bag is then filled with a bulk liquid and transported in the container to a desired destination where it is again emptied. To avoid the transportation cost of returning many such bags to the point of origin, while nevertheless not simply discarding them, the present invention provides the third alternative of so constructing each bag that, after use, it can be cut to become suitable for use as a tarpaulin. For this purpose the bag is constructed of a central, generally cylindrical, elongated portion extending at each end into a curved end portion. Tie down devices, i.e. flaps each containing a rigid eye for receiving a tie down rope, are arranged in a pair of circumferential rows extending around the periphery of the central portion near each end portion and in a further pair of adjacent parallel rows extending longitudinally along the central portion between the circumferential rows. By cutting the used bag longitudinally between the latter pair of rows and peripherally outwardly of the circumferential rows, the central portion is transformed into a rectangular sheet with the tie down devices disposed around its periphery. |
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DETAILED DESCRIPTION The principal object of the present invention is to provide a third alternative, namely one that enables useful utilization of the bags, while at the same time avoiding the cost of their return shipment.
To this end the invention can be defined as a bag of tough flexible sheet material for mounting in a standard freight container to transport a liquid in bulk, said bag being liquid tight except for controlled access means for filling and emptying the bag, including a series of spaced-apart, tie down means secured to said material and so arranged thereon that after use the bag can be cut to provide a sheet with the tie down means substantially uniformly disposed around the periphery thereof in a manner suitable for use as a tarpaulin.
Other features of embodiments of the invention are disclosed below in connection with the accompanying drawings which illustrate such embodiments by way of example.
It is to be understood that these embodiments do not limit the broad scope of the present invention which is defined in the appended claims.
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