Expandable bag with internal biasing means
OwnerMartin Zolandinventor
Life of this patent
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Abstract
An expandable bag having a closure and insert in said bag, said insert comprising a pair of parallel sheet members, a first means biasing said parallel sheet members apart, and restraining means external to the bag and operable maintain the sheet members relatively closely spaced and the bag in a collapsed state whereupon, on removal of the restraining means, the biasing means cause the sheet members to move apart, whereby the bag is expanded.
Claims5
An expandable bag having a closure and insert in said bag, said insert comprising a pair of parallel sheet members, a first means biasing said parallel sheet members apart, and restraining means external to the bag and operable to maintain the sheet members relatively closely spaced and the bag in a collapsed state whereupon, on removal of the restraining means, the biasing means cause the sheet members to move apart, whereby the bag is expanded.
Dependencies are inferred from the claim text.