Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7971514 | Apparatus and a production process for producing rolls of disposable pieces of hygienic paper An apparatus and a production process for producing rolls of disposable pieces of hygienic paper, including the stages of: cutting perforated lateral lines on said hygienic paper, wherein each of the lateral spaces of the perforated lateral lines is shorter than eac... | 07/05/2011 |
| 7712404 | Pipe chamfering tool A tool for chamfering the end of a pipe which is capable of accommodating a wide variety of different pipes, and employing at least one cutter assembly which can be positioned to cut either the outside or the inside edges of pipes, while simultaneously truing the en... | 05/11/2010 |
| 7437982 | Unit for feeding and cutting into lengths a strip of wrapping material A strip of wrapping material is fed and cut into leaves by a unit comprising first and second contrarotating rollers equipped with respective first and second blades of which the first blades operate as a pair to cut the strip transversely into leaves, and the secon... | 10/21/2008 |
| 7156007 | Device and a process for coarsely grinding hydrous polymer gels The present invention relates to a device for crushing a hydrous polymer jelly, comprising two rolls (11,12) located axially parallel and rotating in opposite directions between which a nip (13) for the passage of the polymer gel (10) is formed.... | 01/02/2007 |
| 7140288 | Device for shaping a food product A method and cutting device makes incisions in an elongated food product, like a hot dog or sausage, to form a pattern or character after the product is cooked. One form of the cutter includes a hinged housing into which the food product is positioned. The housing i... | 11/28/2006 |
| 7137539 | Method and apparatus for slitting and processing a web into plural use supply forms An apparatus and method of converting a web of indefinite length into a plurality of web portions by slitting the web at a transverse point prior to processing the web portions into a plurality of use supply forms (such as rolls), wherein the plurality of web portio... | 11/21/2006 |
| 7111536 | Mailpiece perforating/cutting system A method for expelling air out of mailpieces includes the steps of creating a stack of the mailpieces; cutting an opening in at least some of the mailpieces; jogging the stack of mailpieces; and subjecting the stack of mailpieces to at least one compression/decompre... | 09/26/2006 |
| 7086332 | Punching device The invention pertains to a device for processing printed matter, in particular, for punching, perforating, grooving, embossing, imprinting, spot-coating or the like. In order to simplify the attachment of the processing tools required for the additional processing,... | 08/08/2006 |
| 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 |
| 7066066 | Continuous rotary hole punching method and apparatus A method and apparatus for continuous, high-speed production of punched strip having an array of high-tolerance closely-spaced holes with positive ejection of waste punch-out material. A first pair of opposed rotary dies, one a female die and the other a male/female... | 06/27/2006 |
| 7059792 | Dispensing system for print media having differential perforation pattern A web of print media dispensable as individual sheets along lines of perforation includes a pattern of ties and slits that provide a more predictable resistance to manually separating the sheets from the web. The lines of perforation extend transversely with respect... | 06/13/2006 |
| 6868764 | Material cutting and feeding machine A material cutting and feeding machine for cutting and perforating a roll of paper. The material cutting and feeding machine includes a generally rectangular frame. A material feeding roller is mounted to the frame. The feeding roller is adapted to hold a roll of pa... | 03/22/2005 |
| 6860012 | Method for forming elastic ventilation cushion A method for forming elastic ventilation cushion comprises the steps of arranging a plurality of needle seats at two banks, an upper bank and a lower bank, and a straight gap is formed between the upper bank and the lower bank, wherein one edge of each needle seat n... | 03/01/2005 |
| 6854370 | Device for the cross perforation of webs A device for the cross perforation of webs, preferably paper webs for producing sacks, comprises a rotatingly driven perforating blade and a grooved roller, both of which are mounted on a machine frame and between them passes the web to be perforated. To adjust the ... | 02/15/2005 |
| 6820869 | Variable folder In order to provide a variable folder which allows smearing-free operation, the cutting blade of an upstream cross-cutting arrangement is provided with recesses, which leave behind residual crosspieces in the strand which is to be cut, and arranged in the product-di... | 11/23/2004 |
| 6766722 | Cutting and transport roller with integrated cutter with rotating cutting surfaces A cutting and transport roller and a process for cutting the material webs which rest on the peripheral surface of the cutting and transport roller. In so doing, the material webs are severed with the aid of a cutter, which is located inside the shell of the cutting... | 07/27/2004 |
| 6722243 | Apparatus for the transverse cutting of weblike material A rotating cutting cylinder and an opposing member, wherein the cutting cylinder is fitted with a plurality of blade segments distributed along the length of the cutting cylinder and connected to one or more actuators for producing a movement of selective extension ... | 04/20/2004 |
| 6718855 | Rotary label die cutter A rotary die cutter for cutting a series of irregular-shaped blanks from a continuous web. The rotary die cutter includes a male die cylinder that has a series of die cavities formed along its outer circumference. Each of the die cavities includes a surrounding cutt... | 04/13/2004 |
| 6651539 | Perforating, grooving or cutting device for a multicolor sheet-fed rotary press The invention relates to a perforating, grooving or cutting device for a multicolor or single-color sheet-fed rotary press (1) comprising printing and/or varnishing groups (2), at least one of which has a rubber cylinder (3) with a holding system (14) for... | 11/25/2003 |
| 6631665 | Perforating tools having plural blades The invention relates to a method of manufacturing perforating tools, as well as perforating tools manufactured according to the method. The tool is manufactured in that a number of blades (2) are placed densely packed together in a bracket. The blades (2... | 10/14/2003 |
| 6612213 | Double-cut lobed belt diverter A method and device for diverting signatures is disclosed. A first cutting device partially cuts a web, while a second cutting device downstream of the first cutting device fully cuts the web so as to form a plurality of signatures. At least one first bel... | 09/02/2003 |
| 6553883 | Apparatus for the transverse cutting of weblike material The apparatus for cutting a weblike material (N) fed continuously along a path (P) through said apparatus comprises a rotating cutting cylinder (101) and an opposing member (105), these being arranged on opposite sides of said path (P). On the cutting cyl... | 04/29/2003 |
| 6533325 | Integral card and method of making A business form incorporates an improved multi-layer integral card utilizing microperforations to form ties which retain the card during machine handling and printing. The method employs a flexible steel die or engraved die cylinder with microperforations... | 03/18/2003 |
| 6460441 | On-demand skip perforating An on-demand exact registration form web perforating apparatus is simple yet effective, and can operate at high speed and has a long life. A form web is moved in a predetermined path past first and second rotatable continuous circumferential perforator wh... | 10/08/2002 |
| 6460439 | Integrated knife assembly The present invention is related to an apparatus for cutting webs of material, including a first revolving member and a second revolving member having cutting elements integrated therein. Said revolving members, respectively, define a cutting region there... | 10/08/2002 |
| 6418827 | Perforating machine The perforating machine is provided with a perforating roll having a perforating bar and a base roll below the perforating roll which can be moved between a raised position and a retracted position. In the raised position, the base roll allows the perfora... | 07/16/2002 |
| 6401586 | Tax stamp perforator and notcher A tax stamp perforator and notcher applies a diagonal line of spaced apart perforations on a tax stamp for subsequent application to a cigarette pack. The stamp is glued or otherwise applied to the cigarette pack normally across the back of the pack and o... | 06/11/2002 |
| 6302605 | Rotary cutter apparatus for printer with full and partial cutting modes A cutter apparatus 6 includes a rotary cutter 10 which is rotatably supported and has a cutting edge formed on the circumference thereof, a fixed cutter 20 cooperating with the rotary cutter 10 to hold a sheet member between them, a carriage 11 for moving... | 10/16/2001 |
| 6289777 | Paper web for a web fed rotary printing press A moving paper strip or web is cross-perforated by a perforation roller in cooperation with a counter roller. The perforation roller has a plurality of axially spaced retractable perforation plungers. These perforation plungers form a helical line of plun... | 09/18/2001 |
| 6212984 | Rotary label die cutter A rotary die cutter for cutting a series of irregular-shaped blanks from a continuous web. The rotary die cutter includes a male die cylinder that has a series of die cavities formed along its outer circumference. Each of the die cavities includes a surro... | 04/10/2001 |
| 6148709 | Knife and knife holder for a cutting wheel A knife and a knife holder for a cutting wheel are disclosed for a food product slicing apparatus. The knife has a gauging surface, a cutting edge and a second edge located opposite to the cutting edge, the second edge extending obliquely with respect to ... | 11/21/2000 |
| 6119439 | Non-contact rotary knife perforator A non-contact rotary knife apparatus which perforates a seal area between two adjacent pouches in a continuous web by using perforating blades, preferably on the minor hub, and anvils on the major hub with the anvils having elongated, spaced apart recesse... | 09/19/2000 |
| 6092517 | Concrete surface trimming apparatus An apparatus which is rugged and simple to use, and which can finish shot-crete to an acceptable flatness and finish is disclosed. The efficient mechanical apparatus eliminates the need for skilled hand finishing of concrete or another slurry sprayed on a... | 07/25/2000 |
| 6076257 | System for making a printed circuit board A cutting apparatus wherein a blade holder includes two blades which are each designed for cutting web material (e.g., dry film photoresist) in a reverse manner prior to application of the material to a substrate (e.g., dielectric-conductor structure) des... | 06/20/2000 |
| 6070322 | Method for making a printed circuit board A method for reverse cutting with material wherein a blade holder includes two blades which are each designed for cutting web material (e.g., dry film photoresist) in a reverse manner prior to application of the material to a substrate (e.g., dielectric-c... | 06/06/2000 |
| 6063094 | Adjustable skin mesher device and a system for using the same The present invention generally relates to a skin graft preparation device, or mesher. This device is designed to incise and "mesh" a piece of skin, usually prior to grafting to allow it to expand and cover an area larger than its donor site area. More sp... | 05/16/2000 |
| 6035753 | Perforation assemblies having variable cut to tie ratios for multi-ply forms A multi-blade perforation assembly having either rotary or straight blades provides adjustable, small cut and tie ratios for multi-ply forms without diminishing the quality or reliability of the forms.... | 03/14/2000 |
| 5992284 | Knife and cutting wheel for a food product slicing apparatus A knife and a cutting wheel are disclosed for a food product slicing apparatus. The knife has a gauging surface, a cutting edge and a second edge located opposite to the cutting edge, the second edge extending obliquely with respect to the cutting edge su... | 11/30/1999 |
| 5935682 | Facing sheet for an absorbent article and method for producing same A facing sheet (10) for absorbent articles is disclosed in the form of a laminate made up of at least a first layer (12) and a second layer (14). The first layer is intended to face a wearer when the absorbent article is in use and presents a plurality of... | 08/10/1999 |
| 5890409 | Slotting blade with out-of-phase serrations A durable male slotting blade for creating cleanly sheared slots in corrugated cardboard. The male slotting blade is adapted to be mounted to a slotter head of a cardboard box fabricating machine, and is provided with a cutting surface having first and se... | 04/06/1999 |
