...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 |
| 7896999 | Method of forming open core web elements A continuous, fully automated and highly productive system for the production of open core elements utilizes a fluting method and related apparatus effective for providing large pitch flutes for the input webs used in forming the core elements. A wide variety of cor... | 03/01/2011 |
| 7329326 | Method of making a fluted filter media for air filter Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment of the filter media includes tapered flutes which have the open ends... | 02/12/2008 |
| 7208209 | Tear resistant container The invention teaches a container formed from a synthetic substrate. The synthetic substrate is substantially tear resistant and includes polyethylene and inorganic minerals. The synthetic substrate is cut and scored to form a container blank of desired shapes and s... | 04/24/2007 |
| 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 |
| 7132151 | Laminates of films and methods and apparatus for the manufacture A laminate of thermoplastic polymeric films comprises a fluted ply A and non-fluted ply B, adhered to one another in bonded zones along some of the flute crests the fluted ply A. The wavelength of the flutes is preferably no more than 3 mm. Ply A has a generally uni... | 11/07/2006 |
| 7097684 | Method of forming combined pleated scrim and filter media materials and product of same A high efficiency fluid filter arrangement wherein a combined layer of scrim and filter media applications is of empirically relatively estimated weight size and depth with intermediate pleat spacing so as to arrive at a combined filtration capability value in keepi... | 08/29/2006 |
| 7045196 | Packaging laminate and method A packaging laminate and method of production are demonstrated by using a single face corrugated cardboard. The single face corrugated cardboard is supplied in rolled form and is processed through a conventional corrugated cardboard shredder to create a flexible res... | 05/16/2006 |
| 7041187 | Corrugated sandwich panel and method for manufacturing the same Disclosed is a method for preparing a corrugated sandwich panel including the steps of: extruding melted polyethylene resin by use of an extruder and a slit nozzle; molding the extruded polyethylene resin to a vertically corrugated inner sheet by use of a plurality ... | 05/09/2006 |
| 6921450 | Soft contact roll for a single facer A soft contact roll is mounted immediately downstream of the generator roll in a single facer to press the freshly glued single face web against the surface of the heated fluted bonding roll with a light load uniformly distributed across the full width of the web. T... | 07/26/2005 |
| 6918228 | Automated bulk box strapper A machine and method for applying reinforcing strapping to bulk boxes. The machine includes a plurality of strapping head assemblies arranged in series, with each adapted to apply a strap in encircling relationship to a box at a predetermined location on the box. As... | 07/19/2005 |
| 6913570 | Method and apparatus for producing a composite structural panel with a folded material core A folded core structure is produced by embossing fold lines into a flat planar material web, initiating folds along the fold lines on the upper and lower surfaces of the material web, proceeding with the formation of the folds along the fold lines to deform the mate... | 07/05/2005 |
| 6912777 | Method of manufacturing a high-performance, water blocking coaxial cable A helical corrugated coaxial cable possesses low cost of manufacture comparable to that of braided shield coaxial cable, electrical performance comparable to solid tubular shielded cable, flexibility of helical and annular corrugated cable, and fluid blockage compar... | 07/05/2005 |
| 6871480 | Pleated paper and method of manufacturing A novel packaging wrap is used in cushioning a product for shipment and is formed from the combination of a layer of pleated sheet material, the pleated material being creased at the apices of each pleat, and a planar layer of sheet material which is adhered to, and... | 03/29/2005 |
| 6802932 | Absorbent article and method of manufacturing the same A method for manufacturing an absorbent article including: a topsheet formed from a nonwoven fabric; a backsheet; and a cushion layer disposed between the topsheet and the backsheet is achieved by applying heat to a cushion layer unwound from a material roll to rest... | 10/12/2004 |
| 6800351 | Folded honeycomb structure consisting of corrugated paperboard and method and device for producing the same The invention relates to a folded honeycomb structure and to a method and device for producing said folded honeycomb structure from a corrugated core web. The folded honeycomb structure has a number of adjacent corrugated core strips which lie in one plane and are i... | 10/05/2004 |
| 6623587 | Method for making fibrous loop member The present invention relates to a method of making a fibrous loop member which can be used in disposable absorbent articles such as diapers, adult incontinence devices, sanitary napkins, and the like. The fibrous loop member includes a backing and a shee... | 09/23/2003 |
| 6511567 | Composite building components and method of making same A composite building component, including a non-planar molded composite web having two outer zones and two angled zones wherein the caliper of the angled zones differs from the caliper of at least one of the outer zones, and a flange disposed on an outer ... | 01/28/2003 |
| 6416605 | Method for manufacturing fluted media Apparatus and method for manufacturing a filter element by winding a fluted media into a coreless roll. The fluted filter media is transported forwardly and a front edge is lifted upwardly by a rearwardly facing inclined ramp. A rearwardly facing surface ... | 07/09/2002 |
| 6409864 | Method of assembly of pleated filter with spacer insert A pleat filter medium assembly and method of making the same wherein pleated fibrous filter medium forming troughs between opposed faces of adjacent filter medium pleats serve to include spacer inserts formed from intersecting sets of spaced strands of di... | 06/25/2002 |
| 5888621 | Web-like element and connecting arrangement between two web-like elements The invention describes a web-like element (2;3) comprising an upper layer (5; 7) and a lower layer (6; 8) or an intermediate layer which are held apart from one another vertically by longitudinal ribs. At least the upper layer (5; 7) is formed from sever... | 03/30/1999 |
| 5733403 | Product packaging material and its manufacturing method This invention relates to a product packaging material and method, and in particular to a product packaging material (27) formed from a length of rolled corrugated paper (20) and a method of manufacture therefor. There is provided a packaging material com... | 03/31/1998 |
| 5643384 | Method of manufacturing molded goods using paper or pulp sheets as material A method of manufacturing molded goods includes using paper and pulp sheets as materials for forming a plurality of molded goods at one time using a press molding machine. A plurality of predetermined molding sections of the paper or pulp sheet is subject... | 07/01/1997 |
| 5593755 | Accordion-folded paper sheet packing material and method Packing material and method in which a sheet of paper stock is folded in opposite directions along alternate parallel lines to form a series of ridges and valleys, cuts are made in the stock at intervals spaced along the ridges, and sections of the stock ... | 01/14/1997 |
| 5589014 | Method for forming pleats in a sheet-like 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... | 12/31/1996 |
| 5584951 | Method of making a beam pallet A disposable pallet made up of paperboard or like material. The components of the pallet include a plurality of base members and a plurality of cross beams which are interlocked in a skeletal-type structure having novel intersections at their cross over l... | 12/17/1996 |
| 5571223 | Roller apparatus A roller apparatus (23) for use in the drying section of an apparatus for producing corrugated board comprises a tubular body operative to be received over a metal roller. The wall of the tubular body comprises an inner layer (24) of relatively hard polyu... | 11/05/1996 |
| 5501758 | Method of making a collapsible plastic container A reusable and collapsible container having a collapsed configuration for storage and shipment and an assembled configuration for containing a product. The container is formed from a polymeric sheet and has substantially flat panels, hinges connecting adj... | 03/26/1996 |
| 5492584 | Method for making a pleated ornament A decoration is formed by feeding a flat sheet of material between a pair of rotating rollers having intermeshed teeth which produce a series of pleats in the sheet. The pleats are gathered together by placing the pleated sheet between a pair of parallel,... | 02/20/1996 |
| 5443779 | Method of production of reinforced composite corrugated body and method of formation of corrugating rollers for use therein The strength and workability of a reinforced composite corrugated body are improved. A corrugated body is produced such that corrugate lines provided with vertically spaced ridges and grooves formed alternately in a sheet material are formed in a smooth m... | 08/22/1995 |
| 5437908 | Bathroom tissue and process for producing the same A bathroom tissue comprising an intermediate layer having on one side thereof a top layer, and on the other side thereof a bottom layer. The intermediate layer is comprised of about 100% wood pulp and the top and bottom layers are comprised of wood and ra... | 08/01/1995 |
| 5419796 | Method of fluting a corrugating medium The invention is a method of fluting corrugating medium which can be formed in conventional or unconventional flute configurations. The method employs at least one additional corrugating roll in addition to the usual two. The first pair of rolls create in... | 05/30/1995 |
| 5389175 | Method of manufacturing a pleated filter material A method and apparatus for the manufacture of a pleated filter from an endless web of filter material scores a web of filter material scored in a scoring station. The web of filter material is then passed with a set pleat spacing into cogbelts. The filter... | 02/14/1995 |
| 5296280 | Process for making a honeycomb core from a honeycomb half-cell structure and honeycomb core made thereby The present invention relates to a process for making a hexagonal-cell honeycomb core from a honeycomb half-cell structure. The structure has a plurality of peaks and valleys on each side thereof and a diagonal surface between each consecutive peak and va... | 03/22/1994 |
| 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 |
| 5228944 | Apparatus for producing composite bodies from layers of plastic flim laminated to one another An apparatus for the continuous production of composite laminate bodies including panels and cylindrical pipes comprises a frame, a laminating mold, a sheet supply roller, a movable pressure roller, at least two preheating rollers and a heating device, wh... | 07/20/1993 |
| 5162066 | Method for the manufacture of a laminated material strip A method for manufacturing a laminated strip having a gas barrier material laminated in a liquid-tight manner between two external films includes the steps of forming surface irregularities in a first film, laminating a web gas barrier material to the fir... | 11/10/1992 |
| 5147480 | Method of applying a finishing layer in a corrugator line Preparation of laminated corrugated material at the dry end of a corrugating line, and products so formed. Processes of the present invention laminate one or more finish layers of paper, thermoplastic, metal, foil, cloth, film or other thin material of an... | 09/15/1992 |
| 5064493 | Method of producing curved honeycomb core material having crimps in one edge A curved panel is formed of joined corrugated strips with a series of crimps in one side, of each strip so that the crimped side is shorter than the non-crimped side, resulting in a curved strip which is joined to other such strips in a side-to-side fashi... | 11/12/1991 |
| 5051294 | Catalytic converter substrate and assembly A substrate for a catalytic converter is formed of steel sheets embossed with corrugations in a chevron pattern such that the metal buckles at vertices of adjoining corrugations to form projections extending out of the plane of the sheet. The sheets are s... | 09/24/1991 |
| 4950355 | Method of and apparatus for manufacturing a mineral fiber insulating web A method of and apparatus for manufacturing a mineral fiber insulating web by providing an uncured primary nonwoven mineral fiber web treated with binding agent, conveying the primary nonwoven mineral fiber web along a predetermined path of travel, compac... | 08/21/1990 |