| 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 |
| 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 |
| 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 |
| 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 |
| 4055671 |
Hermetically sealed package |
October 25, 1977 |
| A sealed package comprising a cup-shaped container of relatively heavy-gauge, semi-rigid (form-retaining) plastic, with a protective member of relatively stiff material over the opening. Between the container and the protective member is a hermetic sealing closure member in the form of |
| 4034536 |
Packaging apparatus and techniques |
July 12, 1977 |
| Automatic packaging apparatus and methods for packaging food products such as bacon in evacuated or gas-filled packages. The disclosed machine is capable of convexly thermoforming two webs of packaging material into respective sets of pockets which are brought together in opposed positio |
| 3972155 |
Packaging techniques for semi-rigid packages |
August 3, 1976 |
| A method for packaging is disclosed including forming a semi-rigid plastic sheet into a receptacle, filling the formed receptacle with the product to be packaged and forming a semi-rigid plastic sheet into a recloseable cover over the packaged product. |
| 3958394 |
Continuous movement packaging machine |
May 25, 1976 |
| 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 |
