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| Number | Title | Issue Date |
| 7261789 | Method of producing paperboard product with an even thickness A method is disclosed for producing a multilayer paperboard product, as well as an assembly suited for implementing the method and a paperboard manufactured according to the method, whereby the paperboard is made from at least two, advantageously three layers (4,... | 08/28/2007 |
| 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 |
| 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 |
| 6949295 | Structural panel and method of manufacture A fibrous core material is disposed between and bonded to metal skins to form a structural laminate having comparable strength to steel sheets of greater weight. ... | 09/27/2005 |
| 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 |
| 6875299 | Method for producing a corrugated laminate containing waterglass The present application relates to a method for producing a laminate comprised of alternating smooth and corrugated sheets and which are to form a corrugated structure for the manufacture of contactors, characterized by that a first starting material is impregnated ... | 04/05/2005 |
| 6505285 | Scratch segment subsystem for a parallel processing database system One or more embodiments of the invention provide for a SEG (segment) subsystem of a parallel database extension (PDE) that provides services for creating, manipulating, and destroying access to data segments in address space. The SEG subsystem works with ... | 01/07/2003 |
| 6340089 | Method of fabricating undulating screen for vibratory screening machine A screening screen assembly for a vibratory screening machine including an apertured plate, and a subassembly of an undulating support screen and fine screening screen and finer screening screen bonded to each other by a fused plastic grid and bonded to t... | 01/22/2002 |
| 6171427 | High speed corrugator single facer with steam injection A method and apparatus for producing a single face corrugated web in which a steam cloud is injected between the corrugated medium web and the liner web directly at the line along which the webs converge. This type of steam injection allows faster corruga... | 01/09/2001 |
| 6155319 | Unit for joining paper sheets together in corrugated board manufacturing equipment A unit for joining paper sheets together in corrugated board manufacturing equipment comprises at least one toothed or corrugated roll (1), which is mounted in such a way as to rotate about its axis; means (5, 6) for feeding and pressing at least one flat... | 12/05/2000 |
| 6013149 | Pad including coadhesively adhered sheets A pad comprising a plurality of flexible sheets in a stack, and padding means for releasably adhering parts of the major surfaces of adjacent sheets in the stack together to maintain the sheets in the stack. That padding means is provided in that at least... | 01/11/2000 |
| 5876552 | Method of fabricating screen for vibratory screening machine A screening screen assembly for a vibratory screening machine including an apertured plate or frame, and a bonded subassembly of an undulating support screen and fine screening screen and finer screening screen bonded to each other by a fused plastic grid... | 03/02/1999 |
| 5870884 | Compartmented package with multistage permeation barrier A multiple compartment package having a connecting bridge with a frangible internal barrier is made from two composite or thermoplastic sheets or webs welded together to form the front and back walls of the package, and the central bridge portion is defin... | 02/16/1999 |
| 5683532 | Method of manufacturing an active silica gel honeycomb adsorbing body usable in an atmosphere having 100% relative humidity An active silica gel honeycomb adsorbing body capable of adsorbing humidity and odorous components in a process air having 100% relative humidity. A single-faced corrugated sheet having a wave length of approximately 2.5-6.5 mm and a wave height of approx... | 11/04/1997 |
| 5423934 | Method for producing a laminate A method for producing a laminate structure from smooth and corrugated webs which may be used to form a corrugated or cellular contactor for the exchange of heat, moisture, and the like. The paper webs are saturated with a concentrated waterglass solution... | 06/13/1995 |
| 5417394 | Fastening device for heating plates of a heating device of a corrugated board plant A fastening device for heating plates of a heating device of a corrugated board plant. Each heating plate is fastened on a form-stiff and fixed frame. The ends of the heating plates are supported by loose support devices. Thus, a flat heating surface for ... | 05/23/1995 |
| 5417793 | Undulating screen for vibratory screening machine and method of fabrication thereof A screening screen assembly for a vibratory screening machine including an apertured plate, and a bonded subassembly of an undulating support screen and fine screening screen and finer screening screen bonded to each other by a fused plastic grid and bond... | 05/23/1995 |
| 5254195 | Process for manufacturing moisture exchange element A process for preparing a moisture exchange element which comprises impregnating a substrate made of organic or inorganic fiber with an aqueous impregnating solution containing colloidal silica, an acid and a metallic cation; drying and gelatinizing the i... | 10/19/1993 |
| 5093393 | Starch-based corrugating adhesive having a polyvinyl alcohol component A starch-based corrugating adhesive providing a controlled rate of viscosity increase and green bond formation comprising water, starch, caustic alkali, an active boron source, and polyvinyl alcohol having an intermediate degree of hydrolysis (about 92% t... | 03/03/1992 |
| 5049216 | Warp control apparatus and method for sheet material The apparatus and method of the present invention provide means by which non-warped corrugated paperboard sheet may easily and consistently be produced. The cross-directional moisture content profiles of the top and bottom liners of the corrugated sheet a... | 09/17/1991 |
| 4911775 | Method of manufacturing dehumidifier element A dehumidifier element is produced by alternately laminating corrugated paper and flat liner paper, both papers being of low density and composed of inorganic fiber such as ceramic fiber, to form a honeycomb matrix having many small channels penetrating t... | 03/27/1990 |
| 4886769 | Active gas adsorbing element and method of manufacturing An element for adsorbing one or more active gases in an inert gas to obtain an inert gas such as air containing an inert gas such as air containing an ultra-low concentration active gas such as water vapor. The element is produced by laminating low densit... | 12/12/1989 |
| 4874457 | Web corrugating apparatus An apparatus for corrugating a flexible web containing heat softenable fibers comprising two pairs of endless drive chains with paddles mounted to each pair of chains to extend radially outward therefrom. The web is introduced onto the paddles at a point ... | 10/17/1989 |
| 4871406 | Process for on-line lamination of plastic A corrugated paperboard, manufactured with a layer of plastic film approximately 1-3 mil thickness, is laminated to the single face liner of single face board in the double-backer. The board has good moisture vapor transmission (MVT) properties for packag... | 10/03/1989 |
| 4765855 | Method of making a sandwich material with internal undulations and protective layers The invention is primarily concerned with a sandwich material (55) made of sheets based on paper. This material is substantially comprised of a sheet (42) of corrugated paper (44) forming one or several layers. An intermediate paper sheet (31) is bonded t... | 08/23/1988 |
| 4655870 | Method and apparatus for glueing and preheating corrugated board Disclosed herein is a method for glueing corrugated board and an apparatus for carrying out the same, the method comprising: heating a starch glue to a predetermined temperature range by heat exchange; supplying the starch glue to a glue pan placed in a h... | 04/07/1987 |
| 4617076 | Glue applicator for single-faced corrugated web Back pressure against a single-faced, corrugated web opposite of a flute tip glue applicator roll is provided by a transversely extending air bearing. Air bearing fluid flow is derived from an air distributor manifold that is secured for adjustable positi... | 10/14/1986 |
| 4603654 | Glue applicator for corrugator machines Disclosed herein is a glue applicator for a corrugator machine in which a starch glue in a glue pan is applied to ridge portions of a corrugated core sheet by an applicator roll, the applicator comprising: a stock tank holding a stock of starch glue; a gl... | 08/05/1986 |
| 4560429 | Process for preparing moisture-resistant packing cardboard Moisture-resistant packing cardboard of the corrugated type is prepared from flat paper sheets formed from 10% to 90% by weight of cellulose fibers and from 90% to 10% by weight of fibrils of at least one thermoplastic polymer and having a surface area gr... | 12/24/1985 |
| 4419173 | Method of producing corrugated cardboards and apparatus Disclosed is an improved method of producing corrugated cardboards, in which water suspension of raw starch is used as an adhesive. The raw starch is, after application thereof, heated to form gell or paste with dry steam prepared by reheating low-pressur... | 12/06/1983 |
| 4132581 | Method for the fabrication of plasticboard Method and machine for fabricating plasticboard wherein areas of bonding are created with localized heating and pressure.... | 01/02/1979 |
| 4126503 | Manufacture of pharmaceutical dosage forms Pharmaceutical dosage forms comprising an edible web having deposited thereon or at least partially thereon a particulate medicament, the webs being thereafter fabricated and finished to pharmaceutically elegant solid dosage forms having no medicament exp... | 11/21/1978 |
| 4126502 | Manufacture of pharmaceutical dosage forms Pharmaceutical dosage forms comprising an edible web having deposited thereon or at least partially thereon a particulate medicament, the webs being thereafter fabricated and finished to pharmaceutically elegant solid dosage forms having no medicament exp... | 11/21/1978 |
