...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7350443 | Asymmetrical carpet tile design, manufacture and installation Design and manufacture of floor covering webs for, design, manufacture and installation of, asymmetrical carpet tiles having a prominent design element not intersected by a tile edge. Bands or regions define “frames” around what will become central carpet tile a... | 04/01/2008 |
| 7308814 | Method for perforating a sheet A method for perforating a sheet (1) with the aid of a stamp (3) and a matrix (2) is described, the sheet (1) being elongated before the hole punching in accordance with the setpoint diameter in the hole boundary area through bulging of t... | 12/18/2007 |
| 7198593 | Cutting unit for cutting blanks for collars of rigid cigarette packets A cutting unit for cutting blanks for collars of rigid cigarette packets, wherein a continuous strip of packing material is fed in a given direction through a cutting station equipped with a knife having an incision member and a blade, and with a fixed cutting block... | 04/03/2007 |
| 7156798 | Blanking station of a diecutting press The blanking station of a diecutting press comprises an upper cradle for a blanking device and gripper bars for conveying the sheets in progress. This upper cradle includes devices for the removable mounting alternately of a blanking device or of a delivery device o... | 01/02/2007 |
| 7131362 | Punching machine and method thereof A punching machine includes a body frame having a table to support a workpiece. First and second work movement positioning apparatuses are mounted at both sides to move and position the workpiece in a direction of axis X. A work head is mounted on the body frame and... | 11/07/2006 |
| 7121178 | Punching tool with re-usable, neutral structural groups An improved punching tool (1) has a lower tool (3), which is subdivided into a lower tool base plate (7) and a lower-tool operative part (8). The lower tool base plate (7) has a receiving face, with which uniform base areas of a pl... | 10/17/2006 |
| 7107808 | Shearing method for thin plate A shearing method for a thin plate including forming a protruded product part having a first sagging part when the thin plate with a thickness of not more than approximately 0.3 mm is performed with a half die cutting by pressing the half die cutting punch slightly ... | 09/19/2006 |
| 7076986 | Process for forming a linking element for a push belt for a continuously variable transmission In a process for forming a linking element for a push belt for a continuously variable transmission, material is displaced from a central portion of the linking element during a blanking process, which central portion is substantially centrally located in the horizo... | 07/18/2006 |
| 7047858 | Chamfer device for cutting packaging materials A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen... | 05/23/2006 |
| 7045031 | Method of optimizing spacing between elastic members in applying leg elastics A method of applying leg elastics to absorbent garments involves optimizing the spacing between multiple elastic members. The elastic members are bonded to a substrate with variable spacing along the length of the leg opening. More particularly, narrower spacing is ... | 05/16/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6976414 | Method and apparatus for trimming aluminum sheet A method and apparatus are provided for reducing or eliminating sliver formation during aluminum sheet trimming operations. By controlling parameters such as trimming angle and cutting blade clearance, aluminum sheet can be trimmed while substantially eliminating th... | 12/20/2005 |
| 6923100 | Method and apparatus for punching particle board A punch and backer plate combination is disclosed as an example of the present invention. The punch has a concave recess in its extended end. The punch may be round or have a rectangular shape in plan view and includes a backer plate having an aligned opening with a... | 08/02/2005 |
| 6912776 | Pierce nut installation apparatus A pierce nut installation apparatus having a feed passage, a plunger passage and a plunger which reciprocates through the plunger passage to engage and install a pierce nut in a panel opposite the plunger passage, wherein the end of the plunger passage includes a nu... | 07/05/2005 |
| 6874395 | Punching device and workpiece processing method A punching device of the present invention is proposed which can perform positional alignment with high accuracy without generating positional deviation or vibration by shifting a workpiece, and which does not deteriorate the accuracy of determining the position of ... | 04/05/2005 |
| 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 |
| 6626965 | Apparatus for forming die cuts and method of manufacturing same A die cutting block for forming die cuts from paper and other materials includes a base portion having a recess formed therein having a desired shape formed therein, an insert portion having an outer contour which substantially matches the contour of the ... | 09/30/2003 |
| 6536318 | Loose lamination die with rotating blanking station In a method and apparatus for rotating loose laminations in a loose lamination die, a strip is fed through the die to a rotatable blanking chamber of a blanking station. There, a punch engages with a die ring to punch a lamination free from the strip. The... | 03/25/2003 |
| 6427512 | Method of and apparatus for blanking elements of belt for continuously variable transmission A metal sheet having a pair of thin portions on respective marginal edges thereof which are joined to a remaining portion of the metal sheet via respective corners is centered by positioning the center between the corners as the center of the metal sheet.... | 08/06/2002 |
| 6419779 | Method for safe removal of die from circuit board A method for reliable, safe removal of an electrical or electronic component or device mounted on a fragile or brittle circuit board substrate having opposed planar upper and lower surfaces, e.g., for performing testing such as failure analysis, comprises... | 07/16/2002 |
| 6412378 | Method of cutting/scoring adjacent flat elements and system for performing the method A cutting/scoring method for at least one row of adjacent flat elements (3a, 5n) in a material in strip form (1), of which at least one cutting edge (3'-5') or scoring line, transversely of said strip material (1), is straight and extends from one edge of... | 07/02/2002 |
| 6408729 | Steel rule for scrap material ejection die Improved steel rule for use in a cutting die for cutting fixed patterns in a single or plurality of stacked material layers according to the shape of the steel rule. The improvement in the rule assists in the removal of small pieces of scrap material thro... | 06/25/2002 |
| 6303236 | Method for manufacturing aluminum-based composite plate and composite back plate A method for manufacturing an aluminum-based composite plate is disclosed. The method comprises the step of producing an aluminum-based composite billet. The billet production step includes reducing, by magnesium nitride, an oxide-based ceramic as a porou... | 10/16/2001 |
| 6106453 | Method using punching and scoring tool for production of scored punched parts In the method for production of scored punched parts from a material sheet by a punching and scoring tool the formation of scores in the material sheet is started before the punching process is initiated. The punching and scoring tool has a carrier board,... | 08/22/2000 |
| 6095023 | Methods of cutting and mounting soft parts and apparatuses for cutting and mounting soft parts Soft part cutting and mounting methods and soft part cutting and mounting apparatuses are capable of cutting and mounting without human intervention by using an automatic soft part apparatus. The apparatus which uses a sheet material continuously formed f... | 08/01/2000 |
| 6070507 | Method for punching a sealed package from first and second webs A package is provided with a lid and container that are heat sealed together. A multi-ply sheet material is provided for being thermoformed to define the container which has a tapering wall and bulge-resistant bottom end. Prior to thermoforming the contai... | 06/06/2000 |
| 5992280 | Perforator for metal plate A perforator for presensitized plate has plural punches and a die array cooperating with the punches. A stripper plate retains the plate adjacent the die array when punches separate from the die array after the punches form punched holes in the plate. The... | 11/30/1999 |
| 5979278 | Method for cutting piled fabric A method for cutting piled fabric is provided. The method includes the steps of bending the pile elements downward towards the fabric base along a line to be cut and thereafter cutting through the bent piling elements and fabric base to form a two-sided c... | 11/09/1999 |
| 5911805 | Specialty die cut confetti and a method of manufacture A novel design and method of manufacturing confetti uses an interior cutout type die-cutting process. The resulting die cut confetti has unique and unusual aerodynamic features creating visually pleasing flight patterns. The predominant descent pattern of this... | 06/15/1999 |
| 5899499 | Sent belt anchorage plate for seat belt device and method of manufacturing same A seat belt anchorage plate for a seat belt device formed with a plate shaped member (base) 2 is provided with a slot 6 into which a belt (waist belt) 13 is inserted and which has long edge parts opposed with each other. The belt 13 is folded back along t... | 05/04/1999 |
| 5881611 | Punch button and process A punch button (32) has a central disc (36) integral with and separable from an outer peripheral annular ring (38). The disc and ring are joined by a breakaway portion (40) of reduced thickness. A pair of peel points or pilot cuts (50 and 52) may be provi... | 03/16/1999 |
| 5842398 | Perforated substrate and method of manufacture A perforated substrate having half of the perforations formed from one major surface of the substrate and the other half formed from the opposite major surface, the two major surface being coplanar is described. This introduces equal and opposite stress f... | 12/01/1998 |
| 5797304 | Die cut confetti and a method of manufacturing A method of manufacturing confetti includes stacking a plurality of sheets of lightweight material into a stack, placing an open ended gang die onto the stack, applying pressure to cut the stack into plurality of shaped stacks, and bursting each of the sh... | 08/25/1998 |
| 5768963 | Method and apparatus for punching a stack In the punching of a stack (7) of sheet-like articles, especially labels made from paper or paperboard, with a punching knife (4), a punching ram (3) which can be moved to the punching knife (4) and a counter-pressure plunger (5) which is guided through t... | 06/23/1998 |
| 5701251 | Method and system for constructing the figures of blanks in sheet metal work A blank-figure constructing method for sheet metal work, wherein a cutting passage planned to sequentially cut a plurality of desired blanks from a sheet material is determined, utilizing a multiple figure composed of the figures of the plurality of blank... | 12/23/1997 |
| 5676032 | Steel rule die with closely nested cavities A steel rule cutting die for cutting fixed patterns in a single or plurality of stacked material layers according to the shape of the steel rule. The invention provides for a decrease in the quantity of scrap material produced, by minimizing the amount of... | 10/14/1997 |
| 5635009 | Method for sticking an insulating film to a lead frame A method for punching an insulating film is composed of using plural divided punches having a clearance between each two of the divided punches. The clearance absorbs thermal expansion of the divided punches caused by receiving a heat from a heater. A pun... | 06/03/1997 |
| 5531145 | Method for making IC card having severable mini chip card A method for producing a mini chip card out of a standard card having an embedded semiconductor chip uses a punching die with cutting edges defining the outer contour of the mini chip card. The punching die is adjusted relative to the standard card and wi... | 07/02/1996 |
| 5458717 | Method of shearing thin metal sheet A method of shearing a thin metal sheet having a thickness of approximately 0.1 mm or less so as to be separated into a product and scrap by a pair of dies. A chamfer or a round having a size of approximately from 5 to 10 times greater than the thickness ... | 10/17/1995 |
| 5402698 | Method for sychronizing tooling in a die-cutting machine for generating die-cut blanks A method for aligning the process tools of a typical box blank die-cutting machine. The method contemplates the use of alignment openings 21 and 22 on the surface of male and female tools 19 and 20 corresponding to a cut through-hole 16 on test sheet 14. ... | 04/04/1995 |