Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7311579 | Block set for assembling a solid creation and apparatus for fabricating block for assembling solid creation A block set for assembling solid creations uses at least two types of cylindrical blocks. The cylindrical blocks are a thin cylindrical block and a thick cylindrical block. The thick cylindrical block may include a hole on a side face thereof for receiving the thin ... | 12/25/2007 |
| 5916403 | Methods and apparatus for forming cylindrical photosensitive elements The present invention relates to methods and apparatus for forming seamless cylindrical photosensitive elements of uniform thickness on flexible sleeves. The apparatus for forming a seamless cylindrical photosensitive element of uniform thickness on a fle... | 06/29/1999 |
| 5845841 | Multi-ply carton, blank and method of forming the blank A multiply carton tray base or lid comprising a paperboard substrate (S) to which an outer sheet material (16) is secured. The tray has a main panel (m) across which the sheet material is stretched so that it is normally out of contact with a substantial ... | 12/08/1998 |
| 5766121 | Method and device for making packets from packaging sheets, especially for cigarettes or the like A method and an apparatus for making packets from packaging sheets, especially for cigarettes or the like, which method involves folding or wrapping a preshaped packaging sheet (1), for example of paper or carton board, the packaging sheet (1) having part... | 06/16/1998 |
| 5707328 | Method and apparatus for manufacturing paper tube The moisture content of a base paper for manufacturing a paper tube is controlled to a predetermined value. Water-soluble adhesive is applied to a side of the base paper in such a small amount as to cause the adhesive to ridge on the side of the base pape... | 01/13/1998 |
| 5496250 | Method for forming tray type cartons An improved method for forming tray, boat, tray, boat, and/or clamshell type, paperboard, cartons that have horizontal main wall panels and side wall panels, with corner flaps, joined to the main wall panels and extending therefrom and adhesively secured ... | 03/05/1996 |
| 5192389 | Apparatus for preparing a self-mailer having printer, folder, and transport means Apparatus for printing, folding, and sealing a one-piece form sheet to prepare a self-mailer. The apparatus includes a substantially conventional printer, which may be a laser printer, suitable for use with a personal computer. The printer is mounted abov... | 03/09/1993 |
| 5118379 | Apparatus for folding a form sheet Apparatus for printing, folding, and sealing a one-piece form sheet to prepare a self-mailer. The apparatus includes a substantially conventional printer, which may be a laser printer, suitable for use with a personal computer. The printer is mounted abov... | 06/02/1992 |
| 5071401 | Folding carton blank and method of forming same A modified glue flap of a folding carton blank for preventing glue from being squeezed out during the step of adhering the glue flap to the opposite end panel. The face of the glue flap engaged by the glue back-up wheel includes a protrusion near the trai... | 12/10/1991 |
| 5019024 | Tensioning and gluing methods and apparatus for tube winding machines One or more tapes being pulled toward the mandrel of a tube winding machine are tensioned by passing them over vacuum chambers. Glue is applied to one or more tapes adjacent the vacuum chambers. If the tube winding machine stops for any reason, the vacuum... | 05/28/1991 |
| 4997504 | Method and apparatus for high speed pouch and bag making A method and apparatus for high speed pouch or bag making from thin, extensible heat-sensitive thermoplastic film webs in which the method is applied to a continuously moving web and sealing is achieved at temperatures below the softening temperatures of ... | 03/05/1991 |
| 4874355 | Method in the production of a container, or a container blank, respectively, and a device for use with said method In order to avoid foaming which may influence the closing zone of containers for products of the kind that may foam during the filling procedure, a method is provided according to which an anti-foam medium in the shape of a thin surface layer is applied i... | 10/17/1989 |
| 4854929 | Adhesive-applying machine An adhesive-applying machine is adapted to apply pressure-sensitive adhesive to cardboard blanks which thereafter can be folded and compressed to form a complete box. The machine includes a flat support table above which a pair of spaced, parallel conveyo... | 08/08/1989 |
| 4673381 | Cartoning machine having auxiliary flap sealer Apparatus for adhesively affixing together flaps of a container box includes a conveyor belt on which the box is carried, a glue applicator for applying glue to at least one of the flaps, a main flap folding unit for folding the flaps together during norm... | 06/16/1987 |
| 4645481 | Method and apparatus for preventing contamination by splashing glue in a carton forming machine The invention relates to a method for blowing away particles of glue in a strip-gluing unit for folding box forming machines for gluing box blanks. Compressed air is blown from the side of a gluing disc of the gluing unit at an acute angle obliquely towar... | 02/24/1987 |
| 4627831 | Single facer A single facer including a main frame installed on a base for supporting a paste application roll, a pressure roll and so on, a movable frame fixed on or removably supported on the main frame for rotatably supporting upper and lower corrugated rolls in me... | 12/09/1986 |
| 4501579 | Cigarette filter units The invention concerns a method for producing a cigarette filter unit, in which filter elements are disposed on a porous or perforated covering strip and at least partially wrapped thereby and adhesively joined. The adhesive substance is applied to the co... | 02/26/1985 |
| 4425106 | Production of cigarette filter units The invention concerns a method for producing a cigarette filter unit, in which filter elements are disposed on a porous or perforated covering strip and at least partially wrapped thereby and adhesively joined. The adhesive substance is applied to the co... | 01/10/1984 |
| 4388071 | Gum applying apparatus Gum applying apparatus including a pair of gum applying dies mounted on a common shaft for applying gum along and adjacent to the side edges of an envelope blank during the manufacture of the blank into an envelope. Each of the dies includes a central cir... | 06/14/1983 |
| 4375970 | Converting machine gum box A rotary converting machine gum box is replenished with adhesive by means of a pumped circulation system with a delivery conduit at one end of the gum box and a withdrawal conduit at the other end. Between the two gum box ends is provided a rotatively dri... | 03/08/1983 |
| 4352670 | Converting machine gum box A rotary converting machine gum box is replenished with adhesive by means of a pumped circulation system which includes a first pump delivery conduit at one end of the gum box and a second pump suction conduit at the other end. A small adhesive pond or tr... | 10/05/1982 |
| 4285680 | Carton blank feeding and glue applying apparatus A box forming machine wherein box blanks move along a slideway while glue wheels rotating below the slideway apply spots of glue to each carton blank before it reaches the folding station. A carriage, which is slidable over the slideway, has pusher finger... | 08/25/1981 |
| 4187572 | Method for making integrated book lining In making integrated linings to be applied to spines of a succession of books in a bookmaking process, a high speed low cost method is disclosed which includes feeding strip stock from a supply of lining material, printing simulated headbands on one surfa... | 02/12/1980 |
| 4169406 | Box-folding machine and method of setting up same In a box-making machine a flat blank is passed longitudinally by a conveyor through a plurality of treatment stations at each of which a treatment element displaceable transversely to the conveyor acts on the blank to fold it up into a three-dimensional b... | 10/02/1979 |
| 3974748 | Apparatus for collating sheet like elements Apparatus for collating sheet like elements that includes initially feeding the sheet elements by a first conveyor in a spaced tandom relation at a high linear velocity into a spiral carrier. The spiral carrier includes a plurality of arcuate fingers havi... | 08/17/1976 |
| 3930438 | Method for combining partition and box blank and for making a double wall thickness box The method of assembly of a partition with a box blank to form a combination partition box in collapsed condition for shipping and use and for making a double wall thickness box.... | 01/06/1976 |
