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| Number | Title | Issue Date |
| 8181686 | Installation for assembling two webs of tissue paper with or without marking of said webs The disclosure relates an apparatus and method for assembling at least two webs of tissue paper with or without marking of the webs. The apparatus and method utilize a multi-marrying roller configuration, which allows for assembling of the at least two webs of tissu... | 05/22/2012 |
| 7220331 | Device for connecting a multilayered web by ultrasound A device for connecting a multilayered material band by ultrasound in a first gap between a first ultrasonic device and at least one first responder is provided. A first, flat material band is introduced through a first feeding device and a second flat material band... | 05/22/2007 |
| 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 |
| 7021918 | Apparatus for shaping and perforating a plastic film A vacuum forming roll is assembled from a large plurality of radially extensive interlocking segments. Each segment forms a small angular part of a circumference about the roll, and has a relatively small thickness parallel to the longitudinal axis of the roll. The ... | 04/04/2006 |
| 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 |
| 6907912 | Method and device for joining sections of thermoplastic continuous web material The invention relates to a method for joining a number of sections (7) of a thermoplastic continuous web material in order to form an expandable section block (2). Said block is built up by repeatedly carrying out sequences of steps of the method. The ... | 06/21/2005 |
| 6490828 | Partition wall system A panel covering for use in an office environment is disclosed. The panel covering includes an exterior layer including a decorative surface treatment. The panel covering also includes an interior base layer including a polymer material coupled to the ext... | 12/10/2002 |
| 6289960 | Apparatus having a wrapped roll for making a single faced corrugated board A single facer containing a first corrugating roll, a second corrugating roll and a gluing mechanism further has an introducing device which is disposed to oppose the second corrugating roll across the liner feed line and pressed against the second corrug... | 09/18/2001 |
| 6170549 | Single facer with resilient small diameter corrugating roll A single facer for corrugated paperboard of the type using a very large diameter fluted bonding roll and a much smaller diameter fluted corrugating roll which engages the bonding roll to provide a corrugating nip. The small diameter corrugating roll is ma... | 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 |
| 6153037 | Method and apparatus for producing multi-ply corrugated paperboard Method and apparatus for producing a multi-ply corrugated paperboard (105) by repeatedly laminating multi-ply corrugated mediums (102, 103) with different pitches and widths between top and bottom liners is disclosed. This invention thins the paperboard a... | 11/28/2000 |
| 6068724 | Machine and method for manufacture of a sheet of single-face corrugated board by gluing under tension Machine (1) and method of manufacture of a single-face corrugated board sheet whereby a fluted cardboard sheet (23) is glued to a flat sheet. The machine comprises three heating cylinders having parallel axes, tangently arranged pairwise and means (26) fo... | 05/30/2000 |
| 6032713 | Corrugated board manufacturing system A first tension adjustor for adjusting the tension of a liner and a pitch measuring device for measuring the corrugation pitch of a first core board of a single-faced corrugated board are used. A first tension controller operates so that the tension actin... | 03/07/2000 |
| 6016860 | Bonding two corrugated mediums at flute tips ensuring accurate alignment This invention relates to improved apparatus for forming paper board structures in which two corrugated mediums are bonded together at their flute tips. The apparatus comprises: two register rolls for ensuring that the mediums are brought into precise flu... | 01/25/2000 |
| 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 |
| 5951816 | Single facer with small intermediate corrugating roll The labyrinth path in the corrugating nip of a single facer is substantially reduced by utilizing a small diameter corrugating roll captured between a larger diameter conventional corrugating roll and a backing roll arrangement. The smaller diameter corru... | 09/14/1999 |
| 5951817 | Single facer having an auxiliary nip A single facer including an auxiliary nip providing an adjustable auxiliary force acting upon a corrugated medium web and a liner web for effective bonding therebetween to form a single faced board is disclosed. An endless belt cooperates with a corrugati... | 09/14/1999 |
| 5935376 | Apparatus for the continuous preparation of honeycomb structural material A process for the continuous preparation of non-expanded honeycomb core from non-precorrugated web involves the progressive corrugation and consolidation of web by a corrugating/consolidating unit containing corrugating and consolidating elongate teeth wh... | 08/10/1999 |
| 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 |
| 5785802 | Method and apparatus for single facer glue application adjustment To provide a single facer glue application adjusting method and apparatus which enable 1 to prevent occurrence of defective sheet accompanying with operation mistake like negligence of setting change of roll gap in a change of papers, 2 to improve appeara... | 07/28/1998 |
| 5766410 | Corrugating machine with an elastic press plate A single facer corrugating machine for improving the gluing effect of the medium paper and the liner includes an elastic press plate for supplying a suitable pressure on the medium paper and the liner after the former is coated with glue on one side, a pr... | 06/16/1998 |
| 5685929 | Smooth press in a machine for manufacturing corrugated cardboard A smooth press comprises a smooth cylinder acting conjointly with a lower ribbed cylinder in order to apply a covering paper against a corrugating paper passing around the ribbed cylinder and includes a tractor arrangement downstream from the lower ribbed... | 11/11/1997 |
| 5681422 | Pressure roll for a single facer A single facer apparatus for the production of single face corrugated web includes a pressure roll having a flexible outer surface which is internally biased outwardly to provide the pressure nip for joining the liner and glued corrugated media. A pressur... | 10/28/1997 |
| 5674349 | Corrugated paperboard apparatus The invention relates to an improved method and apparatus for producing paper board structures wherein two corrugated mediums are bonded together at their flute tips. End gears (16a, 16b, 15a, 15b) are provided, at least, on the ends of the corrugating ro... | 10/07/1997 |
| 5630903 | Machine for the manufacture of a single-face lined web of corrugated board A machine for the manufacture of a single-face lined web of corrugated board comprises a pressing device for pressing a liner web against a paper web provided with a corrugation. This pressing device has at least one substantially stationary, open-end pre... | 05/20/1997 |
| 5614048 | Machine and process for making a sheet of single face corrugated cardboard A machine for manufacturing a sheet of corrugated board by gluing a fluted sheet of board onto a liner sheet of board includes: a fluted cylinder, a central fluted cylinder equipped with an assembly for applying the fluted sheet against its periphery, a s... | 03/25/1997 |
| 5611887 | Single facer and corrugating roll for the same To provide a corrugating roll for a single facer which avoids generation of press marks or fracture of paper without a loss of paper by suppressing a contact pressure between a corrugating medium and a liner paper, and which may manufacture the corrugated... | 03/18/1997 |
| 5569147 | Method and device to produce corrugated strip packaging parts A method and a device for producing corrugated strip packaging parts to be used for packaging cylindrical or elongated parts in separate compartments. The device includes a series of form bodies arranged on an endlessly rotating belt. The form bodies have... | 10/29/1996 |
| 5468323 | Apparatus and process for making a dual ply cellulosic fibrous laminate An embossed paper laminate having two laminae. The laminae are embossed so that each embossed site of one lamina is adhesively joined to the nonembossed region of the other lamina. The laminate is made by two close tolerance pattern rolls juxtaposed to fo... | 11/21/1995 |
| 5449431 | Single facer in corrugator having a plurality of fluting units Disclosed is a single facer provided with a plurality of fluting units, each consisting of an upper fluted roll and a lower fluted roll which engages with the upper fluted roll and forms a predetermined corrugation on a corrugating medium to be passed bet... | 09/12/1995 |
| 5399221 | Continuous process for forming fiber-reinforced high temperature thermoplastic resin honeycomb structures A continuous process for producing honeycomb support structures by bonding a plurality of thermoplastic sheets together. The process comprises feeding, aligning, supporting and bonding thermoplastic corrugated sheets in sequence to build a honeycomb-struc... | 03/21/1995 |
| 5348612 | Device for adjusting the distance between a glue applying roll and a web leading roll A device for adjusting the distance between a web leading roll, such as a corrugating roll, and a glue applying roll in a glue unit comprises a shaft arranged to extend across the frame of the machine parallel to the glue applying roll with the gluing uni... | 09/20/1994 |
| 5348610 | Apparatus for manufacturing corrugated board An apparatus for making a single face corrugated board having two fluted mediums bonded together at the flute tips has (a) mill roll stands for two mediums and one liner; (b) a carrier roll fluted to support a first fluted medium; (c) a single corrugating... | 09/20/1994 |
| 5340432 | Single-face station for a machine that produces corrugated cardboard A single-face station for a machine that produces corrugated cardboard comprises a frame which includes a stand with two lateral wall members, a lower cassette which carries a lower pressure roll being positioned on support and resting surfaces formed in ... | 08/23/1994 |
| 5312511 | Apparatus for the preparation of thermoplastic honeycomb Fiber-reinforced thermoplastic honeycomb is prepared in a continuous manner one half cell at a time by laying down a corrugated web of thermoplastic, with and without fiber-reinforcement atop a honeycomb, selectively fusing the node-antinode demes and rep... | 05/17/1994 |
| 5254194 | Coated abrasive sheet material with loop material for attachment incorporated therein A sheet of coated abrasive material including a backing having abrasive on one surface and loops projecting from its other surface by which the sheet of coated abrasive material can be held by hooks on the support surface of a pad. The backing comprises a... | 10/19/1993 |
| 5217556 | Continuous process for the preparation of unitary thermoplastic honeycomb containing areas with different physical properties Honeycomb materials having areas or volumes possessing different physical properties then the remainder of the honeycomb are prepared in a continuous process without requiring machining operations.... | 06/08/1993 |
| 5188691 | Apparatus and method for producing air cushion product An improved apparatus and method for producing fully air-cushioning dunnage from two sources of flexible thermoplastic film. This improved apparatus and method provides a fully air-filled dunnage by maintaining a forming roller (16) at a cold temperature.... | 02/23/1993 |
| 5169484 | Drive mechanism for single facer in corrugator Disclosed is a drive mechanism for a single facer having a first fluted roll unit consisting of a pair of outer and inner fluted rolls, a second fluted roll unit also consisting of a pair of outer and inner fluted rolls, and a press roll, wherein the pres... | 12/08/1992 |
| 5151151 | Pleating machine for dual fluted shade A pleating machine for dual fluted shades consisting of a pair of cooperating sets of pleating conveyors closely adjacent and flanking a sealing device that joins the two resulting pleated webs together by transversely fed attaching sheets.... | 09/29/1992 |
