WATER-SOLUBLE SEALED PACKAGE AND METHOD OF ITS MANUFACTURE Russian patent published in 1997 - IPC

Abstract RU 2099260 C1

FIELD: agricultural engineering; water soluble package for pesticides. SUBSTANCE: package has first sheet made of non-flat water-soluble or water-dispersive material with concave area enclosing agrochemical substance, and second sheet of water-soluble or water-dispersive material placed over first sheet. Contact surfaces of both sheets are intercoupled by continuous closed water-soluble or water-dispersive heat seam which has no corner crossings and is located along continuous area of sheets placed one onto the other. Method of manufacturing of proposed package provides forming of cavity in first sheet, cavity being flange encircled, filling of cavity with agrochemical substance and sealing the package by second sheet along the flange with forming of continuous closed water-soluble or water-dispersive seam. EFFECT: enlarged operating capabilities. 33 cl

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RU 2 099 260 C1

Authors

Dehvid Brajan Ehdvards[Gb]

Uill'Jam Dzhon Makkarti[Gb]

Dates

1997-12-20Published

1993-10-04Filed