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Class 162/104 - Between separately formed webs


Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes in which the nonwaterlaid preform is positioned
No. of patents: 14
Last issue date: 09/09/2008


NumberTitleIssue Date
7422660Method of producing a nonwoven material
Method of producing a nonwoven material, includes forming a web of continuous filaments on a forming member (12) and applying a wet- or foam formed fiber dispersion containing natural fibers and/or synthetic staple fibers on top of the continuous filaments. A...
09/09/2008
7243951Durable security devices and security articles employing such devices
Durable security devices that are resistant to chemical attack and mechanical degradation and security articles employing such devices, are provided. By way of the durable security device of the present invention, opposing longitudinal borders adjacent an informatio...
07/17/2007
7026037Absorbent paper product such as napkin or handkerchief, methods for manufacturing such a product, and apparatus implementing such methods
The invention relates to an absorbent paper product, such as a napkin or tissue, including at least two tissue paper plies which are superposed and joined, cut or precut into a desired format and connected to one another at least over a segment of a peripheral zone....
04/11/2006
7008506Machine and process for producing a tissue web
The present invention is directed to a machine and process for producing a tissue web. The machine includes a forming area including at least one rotating continuous dewatering wire with zonally varied wire permeability, and at least one shoe press. The process incl...
03/07/2006
6402888Security paper comprising localized areas with reduced thickness and opacity, and method for making same
A method for making a paper sheet comprising at least one region which is thinner than the rest of the sheet. According to the method, a first paper layer (3) is formed on a wire in a first wet end of a paper-making machine, a second paper layer (5) is fo...
06/11/2002
5783275Antifalsification paper
An antifalsification paper is described having an embedded safeguarding thread which is embedded in the paper so as to be freely accessible in some areas. The safeguarding thread has a width greater than 2 mm. The antifalsification paper comprises at leas...
07/21/1998
5573639Antifalsification paper having a thread- or band-shaped security element
The invention relates to an antifalsification paper having a security element in the form of a thread or band which consists of a transparent plastic film with an at least partly opaque coating. The security element has at least a first opaque coating and...
11/12/1996
5002636Security paper for currency and bank notes
A metallized plastic strip containing security indicia is incorporated within within currency paper to deter counterfeiting. The plastic strip is made difficult to detect under reflected light by selective pigmentation to match the currency inks. The pres...
03/26/1991
4291781Speaker diaphragm and method of preparation of the same
A diaphragm for a speaker which is prepared by heating a conjugated sheet obtained by paper-making polyethylene short fibers with other short fibers which have a high modulus of elasticity, such as carbon fiber, to melt and solidify polyethylene short fib...
09/29/1981
4102736Method of manufacturing an inside-to-outside flow filter tube
A process of preparing an inside-to-outside flow filter tube, which process comprises dispersing a plurality of glass fibers in water to form a water slurry of the fibers, the glass fibers having a diameter range of from about 0.001 to 10 microns; forming...
07/25/1978
4096313Electrical insulating paper and method of making same
The herein-disclosed electrical insulating paper is well-suited to the insulation of extra-and ultra-high-voltage oil-filled electric power cable, and comprises at least one layer (A) which is a mixture of polypropylene fibers and kraft pulp and at least ...
06/20/1978
4048008Method of and apparatus for forming sheets of fibrous material between converging sieves
A technique for forming single or multi-layer sheets of fibrous material having a controllable fiber distribution is described. A pair of spraying rollers each having a system of circumferentially spaced radial vanes on its surface are supported within th...
09/13/1977
3954554Multi-ply paper and paperboard having a wet-laid ply and a dry-laid ply
A method and apparatus for making a multi-ply paper sheet wherein a first web is formed by wet-laying fibres and a second web is formed by dry-laying fibres, the two webs being combined to form a multi-ply sheet and wherein the dry-laid web is produced by...
05/04/1976
3952130Mineral wool paper
A paper product comprising mineral fibers and a nonfibrous, highly refined gel binder, the product having a thickness no greater than about 0.080 inches and an apparent specific gravity of between about 0.25 and about 0.85. The product may be a sheet no t...
04/20/1976
 
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