EXTRACTION SACHET AND PACKAGING MATERIAL SHEET Russian patent published in 2014 - IPC B65D85/808 

FIELD: food industry.

SUBSTANCE: extraction sachet contains a body packaged by way of flexible packaging material sealing up with the cover material on the packaging material outside jointed to the packaging material via sealing up areas formed on a pair of its opposite edges. The sachet has spotted sealing up areas, at least one of them provided for on the both inner sides of the utmost sealing up areas and ensuring spot sealing up of the cover and the packaging materials, and two suspension threads, their main ends sides sealed up inside the sachet body or the cover material to form the main end sealing up area. One suspension thread is pulled out so that the both sides of the spotted sealing up areas and the end of the sealing up area edge of one end become support spots when pulling out is performed. The other suspension thread is pulled out so that the both sides of the spotted sealing up areas and the end of the sealing up area edge of the other end become support spots when pulling out is performed. When the suspension threads are pulled outside in opposite directions the packaging material is squeezed with the help of the main end sealing up area and the spotted sealing up area approaching the same position.

EFFECT: invention ensures complete squeezing of the sachet in three directions, the sachet suitable for filling up using conventional equipment.

7 cl, 11 dwg