A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
195/145
A01G 1/04 (2006.01) C12M 1/24 (2006.01)
Patent
CA 1131147
ABSTRACT OF THE DISCLOSURE A plastics bag for cultivating mushrooms has at least a portion thereof formed from a polypropylene microporous film reinforced with a non-woven poly- propylene web that is permeable to gas but impermeable to bacteria and microbes infectious to mushroom cultivation. The bag is made by sealing a continuous strip of non-porous film to a continuous strip of the microporous film, longitudinally folding the two component strip on to itself and sealing it to form a tube. The tube is then cut into lengths, each of which is sealed at one end to form a bag.
334228
Kitamura Ryutaro
Masubayasi Hirotugu
Polyplastics Co. Ltd.
Smart & Biggar
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