Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1995-09-28
1998-05-19
Moy, Joseph M.
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220460, 220461, B65D 9004
Patent
active
057526168
ABSTRACT:
A method of applying a laminate (4, 5, 6) to one side of a wall of a storage vessel (1) and which comprises: securing a first substantially impermeable layer (4) to said one side of the wall; securing an intermediate liquid pervious layer (5) to the exposed side of said first layer (4); and, securing a second substantially impermeable layer (6) to the exposed side of the intermediate layer (5) so as to define a fluid receiving space between the first and second layers (4, 6) in which a monitoring fluid can be received to permit monitoring of the sealing integrity of the storage vessel. The intermediate layer (5) includes a liquid or fluid pervious layer (5a) e.g. of open celled foam, which is bonded to the first impermeable layer (4) and a semi-impermeable layer (5b) e.g. of paper which faces and which becomes bonded to the second impermeable layer (6) upon at least partial impregnation by the material of the layer (6). The layer (5b), therefore performs a dual function, in that it assists in uniting the component layers of the laminate, and also prevents the material making-up the second impermeable layer (6) from impregnated or clogging-up the pores of the pervious layer (5a).
REFERENCES:
patent: 4993581 (1991-02-01), Mitchell
patent: 5000342 (1991-03-01), Sharp
patent: 5054645 (1991-10-01), Sharp
patent: 5072609 (1991-12-01), Sharp
patent: 5167352 (1992-12-01), Robbins
Moy Joseph M.
Prime Safe Limited
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