| Patent Number |
Title Of Patent |
Date Issued |
| 5445870 |
Method of producing overpressure valve for packaging containers |
August 29, 1995 |
| A method of producing overpressure valves for packaging containers supplied in a roll, transported in this form to a packaging machine, separated at the machine and attached to packaging containers by means of an adhesive coated surface. For this purpose the overpressure valves have a la |
| 5427839 |
Overpressure valve for packaging containers |
June 27, 1995 |
| Overpressure valves for packaging containers are supplied in a roll, transported in this form to a packaging machine, separated here and attached to packaging containers by means of an adhesive coated surface. For this purpose the overpressure valves have a layer of emulsion bonding |
| 5097648 |
Apparatus for evacuating and closing bag package |
March 24, 1992 |
| A bag evacuating and closing apparatus having two opposing jaws which face ends that move toward one another. The jaws encompass a top closure of a bag package to be sealed. The jaws have hollow spaces open toward one another which are surrounded by frames with sealing jaws disposed in t |
| 4971218 |
Packing container with a tear off arrangement |
November 20, 1990 |
| A packing container comprising a tear-off part defined by predetermined lines of weakness and removable from a container wall, and a handle clip connected with a start portion of the tear-off part and comprising an overpressure valve which closes an opening in the container wall. |
| 4735336 |
Opener for a packaging container |
April 5, 1988 |
| An improved opener for a packaging container arranged to form an opening in one wall to remove the contents includes a tear-open portion surrounded by a weakening line and a pull tab connected to the tear-open portion. To enable use of the pull tab as a reclosure element, it has a stoppe |
| 4653661 |
Packaging container having a pressure relief valve |
March 31, 1987 |
| A packaging container having a pressure relief valve which is suitable for packaging products that are vulnerable to oxygen and products that give off gases. The packaging container has at least one rigid and flat wall, which is surrounded by an offstanding peripheral flange and on the o |
| 4638925 |
Apparatus for volumetric metering and dispensing or liquids |
January 27, 1987 |
| An apparatus is proposed for volumetric metering and filling of liquids which includes a vertically extending dispensing chamber provided with a lower inflow and outflow opening and an upper vent opening. A float having an indicator ring is freely reciprocable in the dispensing chamber a |
| 4627221 |
Method for producing sterile packages |
December 9, 1986 |
| Sterile packages are produced which have a shaped depression and a closure sheet sealed onto this depression. In order to furnish sterile inner surfaces for the packages, two tubes of packaging material each of which have a sterile inner surface are slit lengthwise and opened out into fl |
| 4595560 |
Method for sterilizing packaging material and/or packaging apparatus |
June 17, 1986 |
| A method is proposed for sterilizing packaging material of plastic, cardboard or combinations of the two, in particular for sterilizing preshaped packaging containers intended for receiving acidic products. In this method, damage to the packaging material or the packaging apparatus i |
| 4533063 |
Container lid having an opening device |
August 6, 1985 |
| A lid for a packaging container which include a tear-open part which is surrounded by a weakened line. The lid is molded of a composite material, which has an outer carrier layer of plastic, a middle barrier layer of metal foil and an inner heat-sealing layer of a thermoplastic synthetic |
| 4513876 |
Container lid with an opener device |
April 30, 1985 |
| A lid for a packaging container including an easy opening tear-open part which is surrounded by a weakened line. The lid is molded from a compound material, which has an outer carrier layer of plastic, a middle barrier layer of metal foil and an inner heat-sealing layer of a thermoplasti |
| 4511538 |
Apparatus for sterilizing packaging containers |
April 16, 1985 |
| A sterilizing apparatus for packaging containers is equipped with a closable preparation apparatus for a mixture of hot air and sterilizing agent vapor and a sterilizing chamber, into which containers to be sterilized are introduced. The closure means for the sterilizing chamber incl |
| 4472924 |
Apparatus for gas-treatment and closure of packaging containers |
September 25, 1984 |
| An apparatus for shaping, filling and closing packaging containers is proposed. In order to create an inert gas atmosphere in the head room of packaging containers which are to be closed with a foil strip and in order to distribute portions of a product in the containers, the apparatus h |
| 4278716 |
Light weight package container made from multi-layer material |
July 14, 1981 |
| A light weight packaging container, similar to a capsule and made by deep-drawing and/or stretching of a multi-layer foil composite, is composed of synthetic material and aluminum. An aluminum layer or foil having a thickness within the range of from one grain to a few grains is prov |
| 4223512 |
Method of packaging and sterilizing products |
September 23, 1980 |
| A method is proposed for packaging products, particularly food products, and sterilizing them in an alternating high-frequency electromagnetic field. The product is first introduced into trough-like, preferably interconnected containers provided with a metallic layer; then the contai |
| 4091930 |
Container |
May 30, 1978 |
| A container made from a foil or laminate material and provided with a cover which is sealed to a flange of the container by the application of heat. In order to facilitate removal of the cover, all or all but one of the corners of the container have cuts or kerfs extending from the outer |
| 3983794 |
Multistep transverse welding process for producing bags from plastic sheets |
October 5, 1976 |
| A process and a device for producing bags from a strip of thermoplastic material wherein mated layers of foil strip are supplied to serially arranged bonding devices to provide bonded seams extending over the width of the layers at specific intervals corresponding to the width of the bag |
