Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7299604 | Method and apparatus for moving a welding jaw To be able to weld different items, in particular films of different thickness and composition, in an optimized way in each case, it is proposed in the case of a welding jaw circulating along a closed path, for example a transverse welding jaw of a vertical tubular ... | 11/27/2007 |
| 6918227 | Method and device for end closing tubular wrappings of products A method and device for end closing tubular wrappings of products, whereby the arms of a scissor-type parting device, once inserted in a closed position inside an end portion of a tubular wrapping, are allowed to part, and are pushed by springs into a fully open pos... | 07/19/2005 |
| 6775962 | Vertical bagging apparatus A vertical bagging apparatus includes a vertically mounted spool for dispensing a roll of centerfold plastic film with the fold in the upper position. A pair of vertical metering rollers are mounted adjacent to the spool for advancing the film from the spool. An adj... | 08/17/2004 |
| 6619012 | Apparatus for the heat sealing of folding flaps, and mechanism for actuating sealing elements Apparatus for sealing thermoplastic sheet materials or for closing packs, such as bags, made of such sheet materials with the aid of heated sealing jaws (22) and mating jaws (25), which accommodate between them the sheet materials and/or folding or closin... | 09/16/2003 |
| 6151870 | Machine for packaging products using a plastic film comprising a safety system against work accidents A machine for packaging products using a plastic film comprises: at least a fixed frame (TF) and at least a mobile counter-frame (CM), said counter-frame (CM) can be moved between a lifted rest position and a lowered working position wherein the film is c... | 11/28/2000 |
| 6050056 | Packaging bags and apparatus A packaging bag for containing a product is provided. The bag includes an end with four bag projections that are to be folded over the product. A first pair of opposing bag projections are folded down to form generally triangular portions, and the other p... | 04/18/2000 |
| 5402620 | Device and method for closing and laterally sealing plastic film wrapped bundles containing sheets or the like A device is described for closing and laterally sealing plastic film wrapped bundles containing sheets or the like, by wrapping them in a thermally shrinkable plastic film, which comprises two sealing plates (25,26) suitable to be moved against lateral op... | 04/04/1995 |
| 4873815 | Apparatus for filling and closing sacks which are open at one end An apparatus for filling and closing sacks has a pair of grippers for gripping the lateral portions of the sacks adjacent to their opening-defining edges, the grippers of each pair are movable toward and away from each other, also a pair of suction cups f... | 10/17/1989 |
| 4829752 | Device for actuating sealing jaws of a packaging machine In order to control the pressing-on time of sealing jaws in the sealing of folding tabs consisting of sealable packaging material, a cam element, of which the cam part or cam body 17 has a cam recess 20 of irregular shape, is used. A sensing member (trace... | 05/16/1989 |
| 4585503 | Heat-treatment of wrappers in cigarette packing machines and the like The heat-sealing tool for closing the thermoplastic transparent outer wrappers of cigarette packs in a cigarette packing machine is pivoted intermittently into engagement with the wrappers of successive packs while the indexible turret which transports th... | 04/29/1986 |
| 4528803 | Machine for the fabrication, filling, and sealing of packages Blanks are produced from a continuous sheet (3) of material comprised of plastic-coated paper. Said blanks are conveyed on an expanding mandrel carousel (13) to a bottom weld flap forming station (17) and then transferred to a filling carousel (19). The p... | 07/16/1985 |
| 4104849 | Container sealing apparatus Blank sleeves for forming gable-topped cartons are fed to an opening-out station and a bottom-sealing station. They are then advanced stepwise through pre-folding, filling, heating, panel-turning, and heat-sealing stations. At the panel-turning station, t... | 08/08/1978 |
| 4071999 | Machine for bag closing and sealing A machine for closing and sealing a plastic bag filled with material, such as, for instance, peat moss. The machine includes a carriage which moves around the top open end of the filled bag, hook-shaped fingers carried by the carriage, pivot down into the... | 02/07/1978 |
| 4044528 | Method and apparatus for forming sealed packages A method and apparatus adapted for automatically and continuously forming a completely sealed package having fin type seals and made from a heat-sealable wrapping foil. The process basically embodies the steps of holding a portion of the foil adjacent the... | 08/30/1977 |
| 4023330 | Wrapping machines The present invention relates to method and apparatus for forming bundles of articles wrapped in a tubular wrapper including an upper panel having an upper flap at each end thereof, a bottom panel having a bottom flap at each end thereof, and a pair of op... | 05/17/1977 |
| 4018031 | Article packaging machine An automatic packaging machine for sanitary paper products such as rolls of toilet tissue, packs of paper napkins, towels, etc. The machine comprises an article feeding section, a bag-supporting magazine section, and a package sealing section. The feeding... | 04/19/1977 |
| 3988876 | Device for sealing wrappers of candies and the like A device for sealing candies in wrappers comprises a rotary disk with circumferential compartments, each receptive of a candy wrapped in tip style, with folded tips of the wrap upwardly exposed. The disk conveys the so-received candies, intermittently, pa... | 11/02/1976 |
| 3984963 | Device for sealing overwraps of packages A device for controlling the sealing of seams of thermoplastic overwraps for packets of cigarettes. A wrapping wheel has a plurality of sealing stations for heat-sealing one single seam of the overwrap of each packet. In each station a heat-sealing contri... | 10/12/1976 |
| 3982380 | Device for sealing thermoplastic overwraps A device for controlling the sealing of thermoplastic wraps comprises contrivances for heat-sealing each wrap, at a speed compatible with individual speed levels of a wrapping machine; cams for causing the heat-sealing contrivances to operate with a recip... | 09/28/1976 |
| 3979881 | Device for sealing cigarette packets A device for controlling the sealing of thermoplastic overwraps, particularly sealing end flaps of the overwraps on packets of cigarettes. At various speed levels of the overwrapping machine the time devoted to this sealing operation is kept constant. Thi... | 09/14/1976 |
| 3969874 | Packaging machine A machine for successively forming open topped bags from a continuous roll of tubular, gusseted packaging material and for sealing the tops of the bags after they have been filled with objects. A pivotal heat sealing member is driven into engagement with ... | 07/20/1976 |
