|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||053/412; 053/415; 053/450; 053/463; 053/464; 053/133.3; 053/134.1|
|우선권정보||IT-0000098 (1998-10-23); EP-0113038 (1999-07-06)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 7 인용 특허 : 19|
An airtight pouch or packaging (10,20) made of synthetic material for the preservation of food products (12) is obtained by sealing (13, 14, 15) and cutting said synthetic material by an automatic packaging machine with a horizontal or vertical motioning of the product. The packaging (10,20) is constituted by a single peelable type film (11) consisting of an oriented polyamide layer coupled with a coextruded peelable polyethylene layer, the film being folded once on the polyethylene layer side in order to form the inner part of the packaging.
1. A process of forming an airtight package on a flow-pack automatic packaging machine, wherein a series of products is continuously advanced on a horizontal conveyor towards a packaging station having a tubular forming device through which said products are made to advance, said process comprising the steps of: feeding a single peelable synthetic film from a reel, said single peelable film including an oriented polyamide layer coupled with a coextruded peelable polyethylene layer of substantially homogeneous thickness; longitudinally folding the pee...