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 |
| 7427258 | Counter-rotating spindle transmission There is provided a counter-rotating spindle transmission. More specifically, in one embodiment, there is provided a punching machine comprising a tool bearing configured to mate with a punching tool, a rotary/lifting drive coupled to the tool bearing to move the to... | 09/23/2008 |
| 7261288 | Postprocessing apparatus with two or more finishing devices A postprocessing apparatus stops and positions an image recording sheet delivered from an image forming apparatus at a predetermined position, punches the sheet with a punching unit, and thereafter folds the sheet with a folding unit. ... | 08/28/2007 |
| 7210385 | Bevel locking system for a sliding compound miter saw A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Furthe... | 05/01/2007 |
| 7140814 | Spade-type drill bit having helical configuration A spade bit including a longitudinally extending shaft having a cutting member located at a distal end thereof. The cutting member comprises a pair of helically shaped, opposed blades joined along the longitudinal axis of the shaft and an axially extending pilot spu... | 11/28/2006 |
| 7107891 | High-speed shear for transversely cutting rolled strip A high-speed shear with a knife, particularly a chisel-type knife with a knife edge, arranged on at least one of two oppositely arranged drums, wherein the knife can be accelerated to the feeding speed of the rolled strip and the drums can be adjusted relative to ea... | 09/19/2006 |
| 7080584 | Method and apparatus for perforating a non-woven sheet To produce at least one perforation in a non-woven sheet (N) of fibers or filaments, the sheet (N) is brought into contact with a perforated cylinder (2), equipped with at least one insert (8). Each insert includes, at one end, a plane surface (S), and... | 07/25/2006 |
| 7048898 | Apparatus for preparing a fluid for a medical procedure The invention provides an apparatus for preparing a fluid for a medical procedure by mixing of at least one medicament in the form of powder with water, the medicament is held in a vessel which defines a bottom, a side wall, and a top opening which is closed by an m... | 05/23/2006 |
| 7017461 | Dual position automatic notcher A device for consecutively forming one or more notches in a first surface and one or more notches in second surface of a hollow workpiece. The notching device including a first die and a second die that is fixed relative to the first die; and a shiftable punch havin... | 03/28/2006 |
| 6997696 | Apparatus for cutting expanded graphite sheet material In a method and apparatus for cutting expanded graphite sheet material, at least one cutting tool is urged against the sheet(s). The cutting tool has at least one ridge extending therefrom that includes a substantially tapered cross-section having sloping sides and ... | 02/14/2006 |
| 6990883 | Bevel locking system for a sliding compound miter saw A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivotable. Furthe... | 01/31/2006 |
| 6978925 | In-line automated perforation method using selective multi-hole punch A method for creating multiple punch holes during a finishing process of paper sheets and other sheet materials. A highlight of the present invention is the ability to select between at least two configurations of punch holes automatically, without manual adjustment... | 12/27/2005 |
| 6718859 | Hole punch apparatus A three hole punch system for use in an image capturing device. The three hole punch system uses elastomer rollers that punch holes in the edge of a document as is passes between the two rollers. If desired the rollers can act as a transport for the document without... | 04/13/2004 |
| 6658973 | Device for transferring two-dimensional products onto a transportation device A device for transferring segregated flat-shaped products includes a transfer device and a transport device by which the products transferred from the transfer device are further transported along a transport path. The transport device includes a moveable... | 12/09/2003 |
| 6619166 | Printing apparatus with cutter and image printing and cutting method Image data representing an image to be printed is captured, and a cutting pattern for cutting the outer form of an image printed on recording paper is selected from a plurality of different cutting patterns. In accordance with the captured image data, one... | 09/16/2003 |
| 6468453 | Methods and apparatus for manufacturing fiber-cement soffits with air vents Methods and apparatuses for producing fiber-cement soffit building products. In one embodiment of the invention, an apparatus for producing fiber-cement soffits includes a punch assembly, a support assembly facing at least a portion of the punch assembly,... | 10/22/2002 |
| 6381443 | Sheet punching device and image forming apparatus having the same A sheet punching device includes a punch and a die which cut a hole in a sheet, a punch debris conveying device for conveying punch debris produced when the punch and the die cut a hole in the sheet, and a punch debris box for receiving the punch debris w... | 04/30/2002 |
| 6354180 | System for cutting sheet material A system for cutting sheet material. The system has a first roller with at least one cutting element thereon with the first roller rotatable around a first axis and the second roller having at least one receptacle thereon and rotatable around a second axi... | 03/12/2002 |
| 6295908 | Selectively variable hole punching device An apparatus for forming a number of holes in a medium includes a selector, a hole forming device and a controller. The selector selects the number of holes to be formed in the medium, with the number of holes being selected from at least two predetermine... | 10/02/2001 |
| 6250189 | Rotary die cutter Novel apparatus and method are disclosed for cutting a sheet material by a rotary die cutter. A die shaft has an outer circumference and at least two die shaft bores having coaxial counterbores. The counterbores relieve stresses imposed by a die cutting i... | 06/26/2001 |
| 6209435 | Printing apparatus with cutter and image printing and cutting method Image data representing an image to be printed is captured, and a cutting pattern for cutting the outer form of an image printed on recording paper is selected from a plurality of different cutting patterns. In accordance with the captured image data, one... | 04/03/2001 |
| 6152008 | Rotary cutting mechanism A rotary cutting mechanism includes a holder and a fixture that cooperate to hold an article therebetween. A cavity is formed in the body of the fixture. A blade is rotatably mounted in the fixture cavity. The blade rotates between a first position in whi... | 11/28/2000 |
| 5962040 | Apparatus for making a zipper for a reclosable thermoplastic bag Disclosed is a zipper for a reclosable thermoplastic bag having opposing rib and groove profiles wherein at least one of the opposing zipper profiles has an longitudinally extending part interlockable and substantially free of interdigitation with the opp... | 10/05/1999 |
| 5842401 | Hole punch mount for split rotary die punches A punch assembly is provided for a rotary forms press, for punching holes in a sheet of paper or other material as the material travels between punch and die assemblies. The punch assembly is of the split ring type, and has a hub to be carried on a punch ... | 12/01/1998 |
| 5826475 | Knife shaft assembly A knife shaft assembly is disclosed for use in a rotary die cutter. The knife shaft assembly includes a rotatable die shaft having an outer circumference and having a defined width. At least two die cutting inserts are mounted on the outer circumference o... | 10/27/1998 |
| 5555786 | Rotary press cutters In a rotary press cutter for the production of envelope blanks, a flexible foil cutting die (8) is used. The leading edge of the foil cutting die (8) is anchored against a leading face (20) of the rotary punching roller (10), and the trailing portion of t... | 09/17/1996 |
| 5488889 | Rotary cutting die A cutting die for cutting materials is provided. A die sheet having opposing front and back die sheet surfaces is provided. At least one cutting edge defining a die pattern is formed extending outwardly from a portion of the front sheet surface. A spacer ... | 02/06/1996 |
| 5478228 | Apparatus for making a zipper for a reclosable thermoplastic bag Disclosed is a zipper for a reclosable thermoplastic bag having opposing rib and groove profiles wherein at least one of the opposing zipper profiles has an longitudinally extending part interlockable and substantially free of interdigitation with the opp... | 12/26/1995 |
| 5349759 | Slicing guide marker A slicing guide marker for marking impressionable food products with an elongated cantilever arm rotatably attached to a support shaft. The cantilever arm having a marking roller adjacent one end and a counterweight slidably carried by the arm. The markin... | 09/27/1994 |
| 5214990 | Method and system for punching holes in a sheet material A method and system for forming an artwork on a sheet material and punching holes therethrough while the sheet material is disposed on a working surface so that the holes are punched in precise registration with the artwork. The method comprises the steps... | 06/01/1993 |
| 5109741 | Knife roller The invention relates to a knife roller with at least one film knife which s securable on a multi-part roller body, which comprises suction openings around its circumference, and connected thereto, suction channels extending in the lengthwise direction. Th... | 05/05/1992 |
| 4191077 | Bearing block with air supply passage A bearing-block body member in which a die-cutting roll is journaled includes an adjusting cap seated in it through which a bore extends axially of the roll. An axial chamber is provided in the roll, and a stationary air manifold extends into the chamber,... | 03/04/1980 |
| 4116100 | Device for fastening cutting dies on a base plate For fastening a cutting die on a base plate, the device of the invention comprises clamps insertable in recesses provided in the die, the lower part of the die being received in a slot in the base plate. The clamps are composed of bridge elements, and the... | 09/26/1978 |
| 4020725 | Perforating apparatus An apparatus for perforating sheet material during travel of the latter in a given plane. The apparatus includes rotary punches which penetrate through the sheet material during travel thereof. The punches turn around an axis extending transversely with r... | 05/03/1977 |
| 4012978 | Die cutting rule A cutting rule for use in a rotary die cutter is made up of a plurality of segments. Each segment has a notched marginal side edge whereby it interlocks with an adjacent segment.... | 03/22/1977 |
| 3981213 | Rotary sheet material cutter and creaser This is a rotary sheet material cutter and creaser, particularly intended for cutting and creasing cartons out of rolls of sheet cardboard. It includes a rotary cutting and creasing die geared together with a rotary anvil and particularly provided as an a... | 09/21/1976 |
| 3977283 | Rotary panel cutter for cutting openings in a web The rotary panel cutter includes a cutter die that has a continuous upstanding knife blade. The cutter die has a body portion that is secured to a rotatable cutter shaft having a longitudinal axis. The cutter die knife blade has side edge portions that ar... | 08/31/1976 |
| 3937109 | Method of manufacturing cutting and/or creasing die A cutting and/or creasing die includes a sheet which is to be bent around and attached to a roller of a rotary machine for producing blanks from a strip of material, particularly for producing creased blanks for boxes from cardboard or similar material. T... | 02/10/1976 |
