| Patent Number |
Title Of Patent |
Date Issued |
| RE29937 |
Continuous movement packaging machine |
March 20, 1979 |
| A packaging machine for thermoforming plastic packages, filling them with the desired contents, and sealing them under vacuum or gas if desired, wherein a train of packages move through the machine in a horizontal path at substantially constant speed, the machine including reciprocating |
| 5385003 |
Method and apparatus for moving and closing packaging trays |
January 31, 1995 |
| In order to prevent spilling the contents or fracturing a package being filled, a rigid tray is moved into a filling area by pushers in which the pusher is advanced under controlled acceleration and then deceleration for gently stopping the pusher in contact with or in close proximity to |
| 4819409 |
Apparatus for forming an adhesive sealed package |
April 11, 1989 |
| A method and apparatus are provided for packaging products between first and second plastic components sealed by using a hot melt adhesive applied by a dispensing applicator in one of several serially arranged stations of a packaging operation. The first plastic component is supported fo |
| 4777782 |
Apparatus and methods for making differentially-conditioned package pairs |
October 18, 1988 |
| Different products are hermetically sealed in separate but integrally adjoining packages to form package pairs or what might be called "dual" packages. All of the packages are made from two continuous sheets of plastic packaging material, and the separate packages of each pair are di |
| 4709535 |
Packaging loader apparatus for sliced food products |
December 1, 1987 |
| Apparatus for automatically loading stacks of sliced food products into package receptacles. The sliced food products are transported from a first conveyor to a loading station having a drop station positioned over and aligned with a series of package receptacles which are indexed in |
| 4624099 |
Packaging apparatus for making gas-filled packages from plastic film |
November 25, 1986 |
| A packaging machine wherein product-loaded cup-shaped receptacles are advanced with an indexing movement through a series of packaging stations. One station includes a fixed vacuum/gas chamber extending entirely over one set of receptacles. The receptacles are first evacuated through thi |
| 4373341 |
Expandible package for dispensing containers |
February 15, 1983 |
| A sealed package for pressurizing the contents of dispensing containers. The package contains chemicals which react to develop gas pressure to expand the package when in the dispensing container. A series of sequentially rupturable pockets add further increments of internal pressure |
| 4349999 |
Packaging techniques for semi-rigid packages |
September 21, 1982 |
| A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. Different techniques and apparatus |
| 4308711 |
Packaging apparatus and techniques for forming closure-tops |
January 5, 1982 |
| Packaging apparatus for making vacuum or gas-filled packages of the type including a flanged cup-shaped receptacle with a closure film sealed to the flanges and stretched down into the cup to engage and press against the product. The apparatus comprises a first packaging station where th |
| 4277931 |
Packaging techniques for semi-rigid packages |
July 14, 1981 |
| A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. Different techniques and apparatus |
| 4223513 |
Packaging apparatus for forming specially shaped packages |
September 23, 1980 |
| Packaging apparatus for making hermetically sealed vacuum packages from two continuous webs of plastic packaging material supplied as roll stock. The lower web is formed into product receptacles, and the upper web is applied over the receptacles to serve as the top. The apparatus include |
| 4201030 |
Packaging apparatus and techniques for forming closure tops |
May 6, 1980 |
| Packaging apparatus for making vacuum or gas-filled packages of the type including a flanged cup-shaped receptacle with a closure film sealed to the flanges and stretched down into the cup to engage and press against the product. The apparatus comprises a first packaging station where th |
| 4114348 |
Packaging techniques for semi-rigid packages |
September 19, 1978 |
| A package comprising a receptacle cup of semi-rigid plastic having a top of semi-rigid plastic sealed to flanges of the receptacle and formed inwardly to press against the packaged product and hold it in place with or without evacuation of the interior. Different techniques and apparatus |
| 4085565 |
Packaging apparatus for forming specially shaped packages |
April 25, 1978 |
| Packaging apparatus for making hermetically sealed vacuum packages from two continuous webs of plastic packaging material supplied as roll stock. The lower web is formed into product receptacles, and the upper web is applied over the receptacles to serve as the top. The apparatus include |
