초록 ▼

An arrangement for compressing a product to be packed in a package before evacuation of the package which comprises a transport device for carrying a package into which a product has been introduced but which package has not yet been closed, into the range of activity of a piston, means for lowering

An arrangement for compressing a product to be packed in a package before evacuation of the package which comprises a transport device for carrying a package into which a product has been introduced but which package has not yet been closed, into the range of activity of a piston, means for lowering the piston into the package to act on the free upper surface of the product so as to compress the material in the interior of the package uni-directionally, means for subjecting the package after said compression to evacuation to further reduce the internal pressure of the product to be packed and means for sealing and closing said package. The means for compressing the material in the interior of the package is designed to effect compression to such an extent that the product to be packed will assume at least approximately the volume which the product would assume in the package if no mechanical compression had existed but the only compression had been the one subjected to the package after closing in an evacuation chamber and thereafter being brought out into the ambient atmosphere.

대표청구항 ▼

An arrangement for compressing a product to be packed in a package before evacuation and closing of said package which comprises a piston, means for lowering the piston into the package to act on substantially the entire-free upper surface of the product in said package so as to compress the product

An arrangement for compressing a product to be packed in a package before evacuation and closing of said package which comprises a piston, means for lowering the piston into the package to act on substantially the entire-free upper surface of the product in said package so as to compress the product in the interior of the package unidirectionally to such an extent that the product to be packed will assume at least approximately the volume which the product would assume in said package if no mechanical compression had existed but the only compression had been the one subjected to the package after closing in an evacuation chamber and thereafter being brought out into the ambient atmosphere, said means for lowering the piston including guide means for the piston movable in such a way that the piston will be directed during its downward movement into the mouth of the package, a frame for carrying up said guide means, said frame being provided to lower the guide means into the mouth of the package before the piston has been lowered, means for subjecting said package after said compression to evacuation to further reduce the internal pressure of the product to be packed and means for sealing and closing said package.