Did You Know...
...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 |
| 7235115 | Method of forming self-supporting pleated filter media The method of forming pleated filter media includes providing a generally planar web of filter material, folding the web to form a pleated web having a plurality of fold lines, arranging the plurality of pleats in a first spaced configuration defined by a first dist... | 06/26/2007 |
| 7201572 | Ceramic fiber composite and method for making the same A ceramic fiber composite comprises ceramic fibers bonded together by an at least partially ceramic binder formed from a nanoclay and at least one of a ceramic precursor material or a ceramic material. The present invention also concerns methods of forming ceramic f... | 04/10/2007 |
| 7155797 | Continuous manufacturing system for composite aluminum panels A continuous manufacturing system for composite aluminum panels comprises a continuous expanding device for expanding a raw material of a core and a main body of a continuous manufacturing system of composite aluminum panels. The continuous expanding device consists... | 01/02/2007 |
| 7074290 | Cushioning material for packaging and method and device for manufacturing the cushioning material A recyclable cushioning material for packaging obtained by forming a cushioning material for packaging used to protect articles supplied for physical distribution from being impacted with one sheet of corrugated fiberboard and a method and device for manufacturing t... | 07/11/2006 |
| 7052532 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 05/30/2006 |
| 6955740 | Production of laminates for printed wiring boards using protective carrier A laminate to be used in the manufacture of printed circuit boards is formed by contacting one surface of a layer of a conductive foil (e.g. copper foil) with protective-carrier sheeting (e.g., aluminum foil) and the other surface of the conductive foil with a diele... | 10/18/2005 |
| 6946012 | Filter and forming system A filter includes first and second sheets of filter media, the second sheet being pleated and forming with the first sheet a plurality of axially extending flow channels having lateral cross-sectional shapes with two adjacent included angles each greater than 45° a... | 09/20/2005 |
| 6913059 | Ceramic fiber-based filter web and method A filter medium formed from a web of ceramic fibers, pleated and integrated into a coherent unit employing a ceramic sol. A method is disclosed. ... | 07/05/2005 |
| 6913569 | Packed tapes as well as methods and an assembly for packing said tapes A packed tape (1) comprises a folded tape (2) and a package (3) preferably made of plastic film. The tape (2) is zigzag folded into an oblong stack in such a manner that some (2a) of the bendings of the tape flush with the e... | 07/05/2005 |
| 6635136 | Method for producing materials having z-direction fibers and folds A method for producing a material having z-direction ridges or folds in which a layer of continuous fibers is conveyed on a first moving surface into a nip formed by the first moving surface and a second moving surface which is traveling at a slower speed... | 10/21/2003 |
| 6616785 | Filter forming and joining method A filter forming and joining method of the present invention automatically forms a succession of metal-free cylindrical filter elements from a pleat block of pleated filter material, each pleat block having a first end pleat at a first end of the pleat bl... | 09/09/2003 |
| 6615893 | Filter forming and joining apparatus A filter forming and joining apparatus of the present invention automatically forms a succession of metal-free cylindrical filter elements from a pleat block of pleated filter material, each pleat block having a first end pleat at a first end of the pleat... | 09/09/2003 |
| 6548147 | Apparatus and process for producing a corrugated web and an absorbent article comprising a corrugated web Apparatus for continuously producing a web (1) which is corrugated from a thin sheet material which is elastic at least in a transverse direction of the web. The apparatus includes a guide bed (2) which has grooves extending parallel or inclined to each o... | 04/15/2003 |
| 6524359 | Filter bag for a pocket air filter and method for the production thereof A filter bag for a pocket air filter includes two side walls. Both lateral edges of the side walls, and the edge of the base are welded to each other. The side walls are made of an air-permeable filter material which can be ultrasonically welded, and at l... | 02/25/2003 |
| 6230777 | Filter forming and joining apparatus A filter forming and joining apparatus of the present invention automatically forms a succession of metal-free cylindrical filter elements from a pleat block of pleated filter material, each pleat block having a first end pleat at a first end of the pleat... | 05/15/2001 |
| 6230776 | Apparatus for forming fibrous filter media A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter media mat into a preselected form for subsequent movement t... | 05/15/2001 |
| 6159318 | Method for forming fibrous filter media, filter units and product A method, apparatus and filter unit product wherein filter media fibers are fed from a media supply source to a mat forming interchangeable and movable contoured surface to contour shape a filter media mat into a preselected form for subsequent movement t... | 12/12/2000 |
| 6010548 | Spaced pocket filter assembly and method of manufacturing same A spaced pocket filter assembly has a pocket secured to a holding frame and a spacing member within the pocket made of a single sheet of material. The spacing member has an alternately folded Z or zig zag configuration and is secured to the interior of th... | 01/04/2000 |
| 5961778 | Corrugating apparatus Corrugating apparatus that includes paddles and an ultrasonic welding device. The paddles are attached at one end to a transport that moves about a path. The paddles extend radially from the transport, and each paddle has a free end that is capable of sup... | 10/05/1999 |
| 5894044 | Honeycomb structure and method of making A method of making a honeycomb structure includes the step of intermittently slitting a sheet of material such that longitudinal slits are aligned in alternating staggered rows. Each staggered row has a lateral centerline spaced substantially uniformly fr... | 04/13/1999 |
| 5868889 | Process for manufacturing a fluid filter A process for manufacturing a fluid filter and a device for carrying out the process in which a fluid-permeable material is pre-folded to form a first filter region including a number of fold walls arranged as substantially zig-zag shaped continuous folds... | 02/09/1999 |
| 5853528 | Method for manufacturing laminates and apparatus performing the method A method and apparatus for manufacturing laminates are arranged for forming a laminate block by sequentially folding back continuous metal sheets 3 and 4 drawn through outlets 16 out of rolls 5 and 6 of the sheets wound on reels 1 and 2, with synthetic re... | 12/29/1998 |
| 5830311 | Corrugating apparatus Corrugating apparatus that includes paddles and an ultrasonic welding device. The paddles are attached at one end to a belt that moves about a path. The paddles extend radially from the belt, and each paddle has a free end that supports a web as the paddl... | 11/03/1998 |
| 5804073 | Method of making a pleated structure having a pleated memory shape and the filter media made therefrom A method for making a pleated structure having a pleated shape memory includes providing an elongated material having a longitudinal axis; pleating the material to form a pleated structure having a plurality of substantially parallel pleats substantially ... | 09/08/1998 |
| 5782791 | Method of manufacturing a fluid filter A method of manufacturing a fluid filter comprising: (a) providing a cone having a tip end and an open end and made of a filter material; (b) providing a support element having a plurality of concentric annular members mounted on a base and having outermo... | 07/21/1998 |
| 5709771 | Method and apparatus for forming an expandable-collapsible article having a contoured surface A method and apparatus for forming expandable-collapsible articles comprises a horizontally oriented frame which receives one or more webs of sheet material from a feeding mechanism, a pusher bar having upper and lower gripper members engageable with the ... | 01/20/1998 |
| 5622583 | Method of producing a filter insert A filter insert and a method for producing the same in which the filter insert has an accordion-folded filter medium. In a first operating step, folded edges are impressed on the filter medium. Subsequently, by glue application devices which are provided ... | 04/22/1997 |
| 5545284 | Apparatus for manufacturing laminate for honeycomb structure A method and apparatus of manufacturing laminate for honeycomb structure. The invention includes first and second adhesive agent applying units, each of which applies an adhesive agent to a material strip in parallel strips, first and second pressing roll... | 08/13/1996 |
| 5545274 | Artificial flower making apparatus, method of making the same and artificial flower made thereby A toy flower maker is made of two flat adjacent plates, a roller disposed through one plate and engaging the second plate, and a slot disposed near the bottom for insertion and retention of a tie for tying the toy flower after it is made. In operation, a ... | 08/13/1996 |
| 5476558 | Waste paper destruction apparatus for forming paper blocks out of waste paper An apparatus for forming paper blocks installable in offices to form paper blocks out of office-use paper such as computer printer paper, etc. including a treatment chamber, paper feeder and an adhesive apply device. Used and waste paper is fed into the t... | 12/19/1995 |
| 5472606 | Self-supporting, pleated, spirally wound filter A coreless filter comprises a pleated, spirally wound loop of material disposed in a housing. The loop includes a layer of filter material, such as a membrane filter, interposed between two support layers.... | 12/05/1995 |
| 5429744 | Spacer elements between membrane surfaces of a fluid purifier, and a method for their manufacture In a method of producing spacer elements between pairs of mutually facing membrane surfaces for a fluid purifier, to minimize the number of separate parts required in the assembly of a membrane module for the fluid purifier, the sides of mutually parallel... | 07/04/1995 |
| 5423937 | Device for making blind having Y-shaped pleats A device for making a blind having Y-shaped pleats comprises an ultrasonic welding gear or a high frequency welding gear, a pressing wheel, a base plate, a motor, two drive wheels, two guide wheels, and two guide brackets. The welding gear has a weld head... | 06/13/1995 |
| 5405483 | Apparatus for forming pleated material An expandable collapsible product is made by providing a pleated sheet (8,10) having legs (20) which are made by securing two parts of a fold (17) together. Two sheets are combined by securing the end of a leg (20) to a crease (16) or a leg (20) of an opp... | 04/11/1995 |
| 5395465 | Method for manufacturing laminate for honeycomb structure A method and apparatus of manufacturing laminate for honeycomb structure. The invention includes first and second adhesive agent applying units, each of which applies an adhesive agent to a material strip in parallel strips, first and second pressing roll... | 03/07/1995 |
| 5389188 | Apparatus for, forming pleats in a sheet material A method and apparatus are provided for forming pleats in a thermoplastic material by feeding a continuous web of sheet-like thermoplastic material to a pleat forming apparatus and subsequently drawing the web through a bonding device. The pleat forming a... | 02/14/1995 |
| 5376218 | Device for manufacturing a filter A filter comprising a composite sheet bent like a pleat and composed of a laminate of at least two monolayer sheets, in which the bent portions are fusion-welded, is provided in order to improve filtering properties while carrying out the composing and pl... | 12/27/1994 |
| 5350473 | Cover forming apparatus having pivoting forming members A cover forming apparatus for forming a flower pot or flower pot cover from a sheet of material by engaging a sheet of material about the outer surface of a mold, die or pot. The cover forming apparatus includes a plurality of pivotable forming members re... | 09/27/1994 |
| 5286319 | Ultrasonic pleat welding machine An improved machine for welding pleats on fabric that employs a plurality of toothed wheels to index the fabric one pleat at a time. A pusher is positioned between each of a selected pair of adjacent wheels. The pushers are sized and configured to be capa... | 02/15/1994 |
| 5275677 | Separator of corrugated paper and method A separator of T-section made from a unitary roll of single faced corrugated paper, and a method and machine therefore.... | 01/04/1994 |
