Refillable and freezable isothermal bag and method for obtaining the same
AssigneesFrancisco Javier Lazaro Bertin, Catherine Bertin, Victor Lazaro Bertin, Oscar Lazaro Bertin
InventorFrancisco Javier Lazaro Ferre
Life of this patent
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Abstract
The invention relates to a refillable and freezable isothermal bag which comprises two plastic bags (6) and (7) and thermal insulation (8) made of polyethylene foam introduced between two bags (6) and (7), including plastic handles (9) joined by heat sealing, the two bags (6) and (7) being joined to each other along a heat sealing line (12), wherein an opening is provided that is envisaged for the introduction of a mixture of water and alcohol, the opening having a composite plastic sheet (1) that has a polyethylene face and a polyester face, the polyester face having a closing means that are water-resistant and tamper-proof provided to close the opening.
Claims5
A refillable and freezable isothermal bag which comprises two plastic bags (6) and (7) and thermal insulation (8) made of polyethylene foam introduced between the two bags (6) and (7), including plastic handles (9) joined by heat sealing, the two bags (6) and (7) being joined to each other along a heat sealing line (12), characterized by the fact that an opening is provided that is envisaged for the introduction of a mixture of water and alcohol, the opening having a composite plastic sheet (1) that has a polyethylene face and a polyester face, the polyester face having closing means that are water-resistant and tamper-proof provided to close the opening.
A manufacturing method for a refillable and freezable isothermal bag that comprises two plastic bags (6) and (7) and thermal insulation (8) of polyethylene foam introduced between the two bags (6) and (7), characterized by the fact that it consists of placing a composite plastic sheet (1) between the two plastic bags (6) and (7) to make an opening between the two plastic bags (6) and (7) provided for introducing a mixture of water and alcohol, the composite plastic sheet (1) having a polyethylene face and a polyester face, prior to the application of a heat sealing between the two plastic bags (6) and (7), the polyethylene face of the composite plastic sheet (1) being sealed to one face of one of the two plastic bags (6), such that the opening (11) is created between the composite plastic sheet (1) and the other one of the two plastic bags (7).
Dependencies are inferred from the claim text.