Infusion package and method of making same

Details Infusion package and method of making same Infusion package and method of making same

1979-09-10

1981-09-22

Ross, Herbert F.

Special receptacle or package

Infusion containing

426 77, 426 83, A47G 1916, B65B 100, B65D 8500

Patent

active

042905214

ABSTRACT:
An infusion package that has a natural, expanded, unflattened or three-dimensional condition is folded to a flattened configuration to pack in quantity. The expanded condition gives greater internal volume by which infusion is improved and quickened. A pull string, affixed near the flattening folds, unfolds the package from its flattened configuration. To make the package, a tube can be formed into a generally tetrahedral shape by forming seams across it, each at 90.degree. to the preceding seam, severing the package so formed, and folding inward across one end seam to the tetrahedron to effect the flattening.

REFERENCES:
patent: 1581578 (1926-04-01), Kieselbach
patent: 2186087 (1940-01-01), Yates
patent: 2328017 (1943-08-01), Irmscher
patent: 2359292 (1944-10-01), Barnett
patent: 2571138 (1951-10-01), Irmscher
patent: 2791505 (1957-05-01), Barnett
patent: 3115967 (1963-12-01), Branstner
patent: 3539355 (1970-11-01), Kasakoff
patent: 3542561 (1970-11-01), Rambold
patent: 3577301 (1971-05-01), Gustafson
patent: 3597222 (1971-08-01), Kalemba
patent: 4055668 (1977-10-01), Kapp
patent: 4064662 (1977-12-01), O'Toole

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