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WO/2000/053404A1 |
The embossing rolls (2, 3) are fixed in a housing (1) but are nonetheless mounted in such a way that they can be changed without the additional help of a tool. The rolls can be pushed apart elastically due to a slit (13) in the bearing p...
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WO/2000/048743A1 |
Apparatus for applying glue to a sheet of corrugated paper board (16) comprises a glue roll (24) for applying glue to the flute tips of a single-faced sheet (16) of corrugated paper board. An elongate frame (32) is positioned across the ...
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WO/2000/046020A1 |
A single facer for corrugated paperboard of the type utilizing a very large diameter fluted bonding roll (11) and a much smaller diameter fluted roll (12) engaging the bonding roll (11) to provide the corrugating nip includes a small dia...
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WO/2000/040405A1 |
The present invention is directed to a paper product which is very flexible, tough when wet, and has a high bulk. In particular, the paper towel has a dry, specific modulus less than 0.0040 kilograms, a bulk greater than 10 cubic centime...
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WO/2000/038909A1 |
Webs can be embossed and laminated using irregular bonding patterns with the pin-on-pin embossing process. Different patterns are provided onto each web and the webs are joined in a bonding nip to form a laminate. The bonding pattern for...
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WO/2000/035668A1 |
The invention relates to a heating device for a unit that is used to produce corrugated cardboard, comprising several heating plates (2) that are placed one after the other in the direction of conveyance of a web of corrugated cardboard,...
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WO/2000/031341A1 |
An embossed multiple ply paper product having a nested latticework embossment pattern providing a cloth-like, quilted appearance and a process for embossing and bonding such multiple ply paper product. The multiple ply paper product comp...
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WO/2000/031437A1 |
Damping system for corrugated cardboard fabrication rollers comprising the incorporation of a damping device in the vapor chamber (2) of the application roller (1), said device being mounted integral with respect to the wall of the corre...
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WO/2000/031342A1 |
An embossed multiple ply paper product and process for producing such product displaying aesthetically pleasing decorative attributes and exhibiting functional characteristics of softness, absorbency, and drape. The decorative attributes...
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WO/2000/029673A1 |
The present invention relates to partially impregnated lignocellulosic materials. When impregnated with strengthening agents, the partially impregnated materials exhibit increased overall strength while maintaining sufficient adhesive bo...
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WO/2000/026016A1 |
An apparatus (10) for folding and sealing a sheet (11) having a pressure sensitive adhesive positioned thereon includes a first roller (23) and a second roller (24) which is positioned in operative contact with the first roller during ad...
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WO/2000/021741A1 |
The invention relates to a device for stamping groove lines on corrugated board to better fold and comply with the sizes of boxes in production and processing machines having a combined grooving and transport body (1) and a counter-body....
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WO/2000/006370A1 |
A high-strength corrugated board is disclosed, which includes a top layer, a bottom layer and a spacer body, characterized in that a two-sheet body is successively sprayed with glue, heat treated, and pressed to form a plurality of uncon...
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WO/2000/000347A1 |
A single facer including a preheater (28) for conditioning a paperboard web (24). The preheater (28) is positioned upstream from the corrugating nip and includes an arcuate surface (26) facing the web. A plurality of primary channels (82...
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WO/1999/067083A1 |
An installation for producing 5-layered corrugated board has two supply devices, each for supplying one pasted lined corrugated paperboard (3, 4) and a supply device for supplying a lining sheet (16). The two corrugated pasteboards (3, 4...
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WO/1999/064228A1 |
A press belt for a corrugator machine comprises an endless woven fabric (20) which acts as a core or base layer, and is impregnated with and encapsulated in an elastomer material (21). The paper side of the elastomer material is provided...
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WO/1999/063154A1 |
The invention relates to a composite shell (1) for a nip roll in a paper/roll or finishing machine and to a method for manufacturing a composite shell. The shell (1) is provided with means (2, 4), extending at least partially in its dept...
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WO/1999/059807A2 |
A cushioning conversion machine (100, 200, 300, 400, 500, 600, 700, 800, 900) comprising a conversion assembly (101, 201, 301, 401, 501, 601, 701, 801, 901) which converts a sheet stock material into a three-dimensional strip of cushioni...
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WO/1999/060207A1 |
The invention concerns an equipment for replacing a doctor blade, a doctor blade, and a method in the use of band-like doctor blade. The equipment for replacing a doctor blade comprises a doctor blade (11) placed in a reel, which doctor ...
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WO/1999/059808A1 |
The invention relates to a method for producing paper-based composites consisting of at least two layers, according to which a water-soluble hot-melt adhesive is applied onto a first paper layer and at least a second paper layer is paste...
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WO/1999/058621A1 |
The invention relates to a method for preparing an adhesive for corrugated paperboard based on the STEIN-HALL method, whereby the method concerns the use of a batch process or continuous process. The viscosities of the support (support v...
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WO/1999/058321A1 |
Slitting unit forming part of a machine for production of carton blanks, in particular blanks made of cardboard or corrugated cardboard. The unit (2) comprises working wheels (12, 24, 25, 28) which are opposite in pairs, one wheel in at ...
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WO/1999/054547A1 |
A paper web of the present invention has a longitudinal centerline (L) and a transverse centerline (T), and comprises a plurality of first regions (60) and a plurality of second regions (66). The first regions (60) form boundaries separa...
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WO/1999/053810A1 |
A food container (10) comprising three or more plies, a first ply (22), a second ply (24), and at least a third ply (26). The first ply (22) is oriented towards the hands and face of the user and receives food in use. The first ply (22) ...
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WO/1999/053140A1 |
Rolled creped paper products, such as kitchen towels, can be provided with high roll bulk and a high degree of roll firmness by steaming the dry, creped paper sheet immediately prior to embossing the sheet between matched steel embossing...
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WO/1999/052707A1 |
The invention relates to a heating device for a moving material strip, especially a preheater for a corrugated board machine. Said heating device comprises a rotating heating cylinder (3) around which the material strip (13) to be heated...
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WO/1999/047347A1 |
A method and apparatus for forming machine direction flutes within a continuous web is disclosed. The apparatus includes a first forming curve (34) in a first plane (30) including engagement points which deform the web (16). The first fo...
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WO/1999/046113A1 |
A method and apparatus for manufacturing an object of a folded sheet material has improved slitting, scoring/crushing, gathering, and folding sections or devices. Qualifying means (119/141), slitting means (122/127), and scoring/crushing...
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WO/1999/044815A1 |
A flexible counter (10) for an embossing system provides resilient support under a sheet which opposes pressure from a contoured die forming an embossment in the sheet. The flexible counter (10) includes a resilient mat and a fixed bolst...
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WO/1999/044814A1 |
For the production of a sheet product including at least two layers (V1, V2) it is suggested, among other things, an embossing device including a first pressure roller (5; 105) interacting with a first and a second embossing cylinder (1,...
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WO/1999/045205A1 |
The invention concerns an absorbent paper product with basic weight of about 36 to about 105 g/m?2¿ comprising at least three pleats, a first and second outer embossed pleats each comprising raised patterns consisting at least partially...
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WO/1999/041063A1 |
Disclosed is a multipurpose shock absorbing plate material (1) which can recycle waste paper and have a plurality of hollow portions (3, 3') therein, to thereby provide an excellent shock-absorbing characteristic due to the features of t...
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WO/1999/041064A1 |
The description relates to a device for embossing and laminating a multiple-web web material, comprising: a first and a second embossing cylinder (1, 3), provided with tips (1P, 3P), said two embossing cylinders being arranged with paral...
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WO/1999/041074A1 |
A high strength, flexible, foldable and printable sheet, such as a label sheet (12) or cardstock, is provided with a line of weakness (24). The sheet has maximum dimensions greater than that of a box (34, 36) into which the sheet is to b...
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WO/1999/037576A2 |
A rolling installation for making creases in a web of material, such as cardboard, comprising a pair of rotary rollers (1, 2), each of which is mounted at its two ends in bearings and each of which is provided with roll surfaces by means...
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WO/1999/036253A1 |
The invention relates to a sheet of absorbent paper (1, 2), made notably of cellulose wadding with a grammage of between 10 and 40 g/m?2¿, having a first embossed area of the type obtained by embossing the sheet between a non-deformable...
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WO/1999/034969A1 |
Corrugating rolls (10, 11) for forming corrugated paperboard medium are given a flute valley profile having a narrow channel along the valley base between arcuate segments of the valley base that parallel the channel on opposite sides of...
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WO/1999/033646A1 |
The invention relates to a method and a device for achieving adhesion between layers of tissue paper, according to which a surface structure corresponding to that of sandpaper is pressed into the product along the side of at least one ro...
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WO/1999/034060A1 |
A method of increasing the wet strength of a creped sheet, which method involves providing a sheet (36) which includes cellulosic fibers, which sheet has a first side and a second side; applying (50) a low temperature-curing latex adhesi...
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WO/1999/030898A1 |
Apparatus for manufacturing corrugated paper board (27), includes a single-facer assembly (14) for supplying a continuous single faced corrugated paper sheet (16) and means for supplying a continuous lower cover sheet (22) for facing the...
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WO/1999/029508A1 |
The invention relates to the embossing of a foil material with printing marks and pre-sized cover members for food containers (26), said embossing being partly carried out by means of sensors and by means of the regulated tensile force o...
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WO/1999/025924A1 |
The present invention is generally directed to base webs that are creped after a bonding material has been applied to at least one side of the web according to a predetermined pattern. The base web disclosed in the present application is...
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WO/1999/025547A1 |
A method of joining together at least two paper sheets (1, 2). The method comprises the steps of moistening each paper sheet (1, 2) with a determined amount of water within the region of the intended join (9); placing the paper sheets to...
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WO/1999/024248A1 |
Longitudinally corrugated medium (10) is conveyed between two rollers (19, 20) which apply liners (22, 24) simultaneously to opposite sides of the corrugated medium, adhesive having previously been applied either to the liners or to the ...
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WO/1999/024249A1 |
An apparatus and method for manufacturing corrugated paperboard includes a heating section such as a plurality of steam heat chests (62) used in a double-facer for defining a heating surface. A take-up mechanism (35) is positioned downst...
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WO/1999/023290A1 |
An improved cloth-like base web is disclosed. In particular, the base web of the present invention has a cloth-like look and feel and has improved absorbency. The base web is made by first hydroneedling a web containing pulp and/or stapl...
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WO/1999/020821A1 |
A method of making a nonwoven composite material. The method includes the steps of: providing a hydraulically entangled web containing a fibrous component and a nonwoven layer of substantially continuous filaments; applying a bonding mat...
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WO/1999/017924A1 |
An apparatus and related method for threading a web through a web processing machine are disclosed. The apparatus of the present invention preferably comprises a double facer (10) including a plurality of heating plates (16) defining a h...
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WO/1999/016613A1 |
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 (106), the pleated material being creased at the apices of each pleat, and a planar layer of shee...
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WO/1999/015332A1 |
A laminated fibrous structure (10) comprising at least two fibrous sheets (11, 21) and a method for manufacturing same are provided. At least one, and preferably two, of the fibrous sheets (11, 21) may be embossed. The sheets (11, 21) ar...
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