Food or edible material: processes – compositions – and products – Processes – Packaging or treatment of packaged product
Patent
1980-10-22
1983-11-15
Cintins, Ivars C.
Food or edible material: processes, compositions, and products
Processes
Packaging or treatment of packaged product
426 83, B65B 2904
Patent
active
044155972
ABSTRACT:
A filter-bag for infusion products, such as tea, camomile, or the like, formed of a blank of filter paper tape coated with a heat-sealable layer of thermoplastic material, longitudinally folded into two halves so that said layer remains in the inside and heat-sealed so as to define an infusion product containing space. A tag is attached by a thread of natural fibers retained at one end thereof between two heat-sealed edges of the bag and wound around the latter.
The thread is fixed on the outside of the bag by means of heat-sealing at several points.
REFERENCES:
patent: 2359271 (1944-09-01), Sidebotham
patent: 2364903 (1944-12-01), Howard
patent: 2954294 (1960-09-01), Whelan
Cintins Ivars C.
Dubno Herbert
Ima-Industria Macchine Automatiche-S.p.A.
Ross Karl F.
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