Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7329216 | System for manufacturing containers A system (1) for manufacturing containers (5) is designed around a supporting structure (2) with which all the stations (7, 18, 19, 21, 24, 25) and the devices (14, 15, 16, 17, 20, 22, 26) needed to produce the containers are assoc... | 02/12/2008 |
| 7137941 | Apparatus and method for forming a hemmed edge on carton blanks An apparatus and method for forming a hem on a 5th panel of a liquid carton blank comprising a skiving section, a stepped creaser section, a burner section, a vacuum hemmer section, and a sealer section. Carton blanks are fed into the skiver section and e... | 11/21/2006 |
| 7131246 | Apparatus for wrapping groups of rolls of products with a sheet of plastic film An apparatus for wrapping groups of rolls of products with a sheet of film comprises a station for packaging and moving, with a stepping motion, in a predetermined direction, a succession of groups of products wrapped in a sheet of film, having an open front side de... | 11/07/2006 |
| 6676585 | Arrangement utilizing star wheels and material supply stations for manufacturing a paper can An arrangement for manufacturing a paper can includes processing stations arranged one behind the other along two star-shaped wheels. Packaging material from supply stores is fed to each star-shaped wheel. The two star-shaped wheels and the processing sta... | 01/13/2004 |
| 6554182 | Packaging container for the cold storage of liquid foods and a method of producing the packaging container The disclosure relates to a packaging container for long-term cold storage of liquid foods for retaining superior flavor and aroma properties in the packed product, and produced from a packaging laminate including a core layer of paper or paper-board, an ... | 04/29/2003 |
| 6503181 | Machine for gluing folding cartons for producing folding cartons from blanks A collapsible-box gluing machine for the production of collapsible boxes from blanks has a folding station for folding blanks, a subsequently arranged transfer station and a collecting and compression device, wherein the flat-lying folded collapsible boxe... | 01/07/2003 |
| 6165114 | Arrangement for manufacturing a can A container comprises a sleeve and two end walls. The sleeve is made of a tube having a plurality of paper layers. The end walls are inserted into the sleeve and are bonded in a sealed way thereto. According to the present invention, each of the end walls... | 12/26/2000 |
| 6149566 | Heating device for heat-sealing bottom portions of containers A heating device for heat-sealing bottom portions of containers has a hot air nozzle 62. The nozzle 62 is positionable as opposed to a bottom forming end portion 14 of a tubular blank 11 of square cross section as fitted around an intermittently drivable ... | 11/21/2000 |
| 6139481 | Gas fired burner for sealing single and double sided polycoated paper cups In a cup sealing system including a cup former and at least one burner for sealing a cup bottom seam where a cup side wall blank is mated with a bottom disk, with one portion of the side wall extending beyond the bottom disk, an improvement wherein at lea... | 10/31/2000 |
| 5752907 | Cup making machine A machine for making paper cups wherein each cup includes a side wall blank and a bottom wall blank, the machine including a frame and a vertical shaft mounted on the frame with a turret rotatably mounted on the shaft, a number of work stations mounted on... | 05/19/1998 |
| 5618253 | Heat-sealing method for a paper container and apparatus of the same An inner seal portion (30a) of an open edge portion (1a, 1b) of a paper container (1) is aligned face-to-face with an inner peripheral heating portion of a seal-heating apparatus. An outer seal portion (30b) of the open edge portion is aligned face-to-fac... | 04/08/1997 |
| 5435804 | Cup making machine A machine for making cups of thermoplastic coated paper, the machine including a frame or housing having a turret rotatably mounted on the frame, a number of work stations mounted on the frame in an equally spaced relation around the turret, a number of m... | 07/25/1995 |
| 5273513 | Automatic setting apparatus in box or carton blank erection machines A selection and setting apparatus in box or carton blank erecting machines which enables changing of the blank format in the machine. The apparatus includes format selectors coacting with at least two setting wheels. The setting wheels each include at lea... | 12/28/1993 |
| 5250018 | Method of making rectangular paperboard package A liquid tight rectangular paperboard container (10) is provided with a separate opening tab (17) secured to the top panel (15) thereof which enables the package to be opened to provide a fully open top. In particular, an elongate plastic window (18c) is ... | 10/05/1993 |
| 5230204 | Heat sealed carton A gable-top carton has a pair of panels (4, 6) which form sloping walls and have marginal portions (4m, 6m). Another pair of panels (3m, 5m), are tucked beneath the sloping walls and have marginal portions (3m, 5m). The marginal portions (3m-6m) are heat ... | 07/27/1993 |
| 5120292 | Apparatus for forming containers An apparatus is disclosed for forming planar sheets into containers for containing a flowable food or like product. The container-forming apparatus has an apparatus frame with a plurality of treating stations including a planar sheet feed station. The app... | 06/09/1992 |
| 5044145 | Film packaging Packaging apparatus, using an upper film (6) pre-heated before contact with a lower film (9) on which products (not shown) are placed, has at least the central region heated by radiant heaters (7) and the marginal regions heated by hot air nozzles (10) at... | 09/03/1991 |
| 4979932 | Apparatus and method for sealing box blanks A method and apparatus for the manufacture of folded paper boxes with a hemmed seal. One of two edges to be overlapped is skived and folded into a hem. After the edges are locally heated, blanks move individually and successfully along a conveyor for fold... | 12/25/1990 |
| 4957581 | Method and apparatus for centering tubes To prevent an end of a filled container, upon heating by a hot air for subsequent welding of edges thereof, from coming into contact and sticking to a retainer, a centering gas such as, for example, air is supplied from an external source to the container... | 09/18/1990 |
| 4913692 | Apparatus for pressing the overlapped area of a blank being formed into a jacket An apparatus for producing container jackets from blanks comprises a winding core around which a blank is wound in a manner forming an overlapped area. A pressing element is arranged to engage and press the overlapped area. An actuating mechanism urges th... | 04/03/1990 |
| 4838009 | Method of heat activating top closure panels A method of heat activating the interior surfaces of the top closure, fin forming panels of a paperboard carton of the type shown in U.S. Pat. No. 4,732,275 to thereby render their PE coating tacky prior to folding the panels to form the carton top closur... | 06/13/1989 |
| 4730766 | Sealing of void area at the top of cup bead of hot melt This relates to a carton or cup having a conventional type of gable end which includes sealing flaps which are heat sealed or bonded to one another. The cup is particularly adapted to be closed by hand wherein control over the sealing flap positions is no... | 03/15/1988 |
| 4708708 | Method and apparatus for skiving and hemming A method and apparatus are disclosed for skiving and hemming one or more edges of a paperboard web or blank to improve the sealing qualities of a container made from the paperboard. The paperboard is skived twice generally parallel to its edge, once to de... | 11/24/1987 |
| 4645480 | Method and apparatus for fabricating nestable thermoplastic containers Sleeve fabricating apparatus for fabricating cylindrical sleeves from rectangular blanks of a heat-shrinkable thermoplastic material and for transferring the sleeves, in succession, to frustoconical mandrels of a cup-forming machine. The sleeve-fabricatin... | 02/24/1987 |
| 4636187 | Methods and apparatus for erecting tray-type cartons In the erection of rectangular tray-type cartons from blanks of foldable sheet material, corner tabs which are to be uppermost in the erected carton are first folded up from the plane of the blank, which is then passed through a die by a punch to form the... | 01/13/1987 |
| 4626234 | Tray-type cartons erecting method and apparatus A rectangular tray-type carton formed from a blank of plastics-coated board has a peripheral flange for attachment of a closure lid. The flange is formed after the erection of the carton side wall in a punch and die arrangement, by folding down elongate p... | 12/02/1986 |
| 4562690 | Method of heat sealing and forming a video tape cassette package A package blank is made from a single sheet having at least surface layers of heat-sealable material. The blank sheet comprises first and second rectangular panels foldably formed on opposite sides of a backstrip. The first and second panels have first an... | 01/07/1986 |
| 4559092 | Sealing lids to tray-like containers In a method of sealing separate flat lids (16) on to a series of generally rectangular tray-like containers (11), particularly containers which are coated with a polyester such as polyethylene terephthalate for heat resistance, the containers are moved co... | 12/17/1985 |
| 4490130 | Machine for forming seams of two-piece paper cups In a machine for making two-piece flat bottom paper cups, having a mandrel on which the cup is formed, the portions of the two blanks that are to form the bottom seam are heated by a device comprising a stationary air duct with which the mandrel can be co... | 12/25/1984 |
| 4490129 | Forming cartons In the forming of cartons, a water-based adhesive, e.g. an aqueous-dispersed polyvinylacetate, is applied as an atomized spray by guns to selected parts of a carton blank of uncoated board and partially dried by hot gas (air) jets, and the carton is erect... | 12/25/1984 |
| 4368095 | Heating device for blank-shaping apparatus Apparatus for heating a cardboard blank (2) coated with a synthetic material include an inhibitor (21, 22) which inhibits heat transferred from the synthetic coating to the cardboard blank from raising the temperature of predetermined portions of the card... | 01/11/1983 |
| 4349400 | Method for manufacturing two-piece containers from filled thermoplastic sheet material A method and apparatus are provided for forming two-piece drinking cups and containers from conventionally shaped arcuate sidewall blank and bottom blanks of filled polypropylene sheet material or polypropylene-polyethylene copolymer sheet material with a... | 09/14/1982 |
| 4317323 | Apparatus for producing containers A method and apparatus are provided whereby a generally tubular container is formed on a mandrel with an end member being sealed to the container sidewall to form an open-topped container. The open-topped container is subsequently conveyed through one or ... | 03/02/1982 |
| 4295838 | Method of producing cylindrical containers A method and apparatus are provided whereby a generally tubular container is formed on a mandrel with an end member being sealed to the container sidewall to form an open-topped container. The open-topped container is subsequently conveyed through one or ... | 10/20/1981 |
| 4252052 | Paperboard pouch forming method and apparatus Method and apparatus for forming a sealed pouch from a paperboard blank having a heat activatable sealing material on a surface thereof. Blanks are received in an initial position above opposed curved forming surfaces and underneath a reciprocating mandre... | 02/24/1981 |
| 4123966 | Carton forming apparatus Apparatus for forming a sealable carton for liquids accepts from a supply station a T-shaped blank of coated sheet material that is impervious to the fluid that the carton to be formed from the blank is to contain. The blank is pre-scored to delineate the... | 11/07/1978 |
| 4074619 | Heading machine A drum heading machine for securing a closure plate within an end of a tubular element or sleeve includes a mandrel for supporting the sleeve thereabout with an end of the sleeve projecting beyond an end of the mandrel to define a sealing area on the inne... | 02/21/1978 |
| 4072549 | Method and apparatus for fabricating thermoplastic containers A cup or other nestable container is formed from two continuous web stocks of thermoplastic material, particularly an expanded thermoplastic material. A rectangular blank to form the sidewall of the container is severed from a first web stock, and formed ... | 02/07/1978 |
| 3955482 | Tray forming and welding machine Preformed tray blanks, e.g., of an expanded foam thermoplastic material, are individually transported from a supply hopper into registration with a die cavity through which a mandrel forces the blank. In passing through the die, the blank is sequentially ... | 05/11/1976 |