Matches 201 - 250 out of 286 < 1 2 3 4 5 6 >
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4580355 System for distributing hot gas on a paper web  
The specification discloses a steam distributor having a chamber to contain steam on one side of a paper web and a vacuum box on the opposite side of the paper web. The distributor has a feeding...
4552618 Stabilized absorbent boards  
An absorbent material comprising hydrocolloidal fibers provided in board form having substantial structural integrity both in the dry state and after being wetted with body fluids. The board...
4551203 Method and arrangement for guiding a paper web from the press section to the drying section  
Apparatus and method for guiding a fibrous web from a press section to a drying section, such as guiding a paper web from the press section to the drying section in a paper-making machine. The...
4474643 Method for controlling the moisture content of a fiber web and apparatus for accomplishing the method and a paper making machine for accomplishing the method and a paper making machine with an apparatus for accomplishing the method  
A method is provided for controlling the moisture content of a paper web during its movement through the drying section of a paper making machine. According to the present invention it is possible...
4454005 Method of increasing interfiber bonding among fibers of lignocellulosic material, and resultant product  
Defiberized lignocellulosic material, such as wood, is treated with a liquid carrier containing an oxidizing agent (a per compound, a chlorate or a nitrate), and the wet mat thereof is subjected to...
4444622 Steam distribution  
A steam distributor for applying steam to a paper sheet moving beneath it and spaced from the distributor. The distributor has a leading edge and a trailing edge relative to the sheet movement....
4421794 Solvent removal via continuously superheated heat transfer medium  
Non-aqueous solvents are removed from a substrate, e.g., paper, by contacting the substrate with a condensable, vaporous heat transfer medium that is in a superheated state, e.g., superheated...
4421583 Man-made filaments and method of making wound dressings containing them  
A non-woven alginate fabric useful as a wound dressing is made by spreading a tow of calcium alginate filaments in a flow of water, overfeeding the spread filaments onto a water-pervious support so...
4412888 Wood pulp fiber process and resultant products  
The present invention relates to a novel cellulosic wood pulp fiber having lower specific volume for a given surface area than conventionally prepared wood pulp fibers, to products made therefrom,...
4383890 Ceramic sheet and method for producing the same  
A ceramic sheet comprising 5 to 50 wt. % (absolute dry weight) of a cation-modified pulp having a degree of substitution of cationic group of 0.02 to 0.04 and beaten to freeness of 200 to 100 ml...
4378639 Method and apparatus for uniformly drying a continuous web of cellulosic fibers  
A method and apparatus used in the uniform drying of a continuous web, such as a sheet of paper or paperboard. A newly formed web of paper of wet cellulosic fibers and the necessary additives is...
4361466 Air impingement web drying method and apparatus  
A method and mechanism for dewatering a web in a paper making machine having press means, a first thermal dryer section having a long continuous support looped belt carrying the web along a first...
4358900 Apparatus to supply steam including steam evacuation  
Apparatus to supply steam to a paper sheet moving beneath it. The apparatus has a leading edge and a trailing edge relative to sheet direction. It has a header and there is a supply of steam to the...
4350567 Method of producing a building element  
A method for manufacturing a high impart strength carbonate building element is disclosed. Solids and water are mixed to produce a slurry in which the solids consist essentially of at least one...
4309248 Process for manufacturing boron nitride fiber mats using calender rolls  
A process is disclosed for producing a non-woven, boron nitride-bonded boron nitride fiber mat, suitable for use as an electric cell separator in a lithium-sulfide battery. A web having a...
4249992 Steam shower for adjusting paper moisture profile  
A steam shower for reducing paper web moisture content variability in the cross machine direction is described. The local dewatering effect of the shower on the moving supported web is controlled...
4242808 Paper web drying system and process  
The paper web is directly contacted with superheated steam to evaporate the water in the paper web by direct contact and to remove some of the superheat from the steam. The exhaust steam is again...
4238280 Photographic support  
A photographic support is produced by heat consolidating paper made wholly of thermoplastic synthetic fibres. The consolidation is carried out in such a way as to produce a homogeneous surface film...
4238284 Method for dewatering a tissue web  
In a tissue paper making machine, a method for dewatering a tissue web without wet pressing and transferring the web onto a flow through drying cylinder including conducting a tissue web onto a...
4231842 Recovery of thermal energy from a thermomechanical pulp plant  
A method of recovering the thermal energy contained in the pressurized steam utilized during the production of thermomechanical pulp. The steam is applied to the primary side of a heat exchanger...
4207143 Method for adding moisture to a traveling web  
Moisture is added to a traveling web of paper or the like by passing the web over one or more steamfoil nozzle devices which emit substantially dry steam vapor into the region between the web and...
4202113 Paper machine drying section and method for operating same  
A paper machine drying section and method for operating the same are provided for reliably maintaining a web in engagement with a drying fabric at locations where the fabric is situated between the...
4194947 Transferring a web from a pick-up fabric to a flow-through drying wire  
A method and apparatus in a paper making machine for transferring a web from a pick-up fabric to a flow-through drying wire for transport of the wire supported web to a flow-through dryer cylinder...
4191609 Soft absorbent imprinted paper sheet and method of manufacture thereof  
Wet-laid paper having, when creped, improved bulk, softness, and flexibility; a relatively large cross-machine-direction to machine-direction stretch ratio; and improved burst to total tensile...
4166001 Multiple layer formation process for creped tissue  
A process for directly forming multiple layer web, and creping such webs to provide absorbent, soft and bulky, creped tissue. The process produces a laminar fibrous formation with outer layers of...
4157938 Method and apparatus for continuously expelling an atomized stream of water from a moving fibrous web  
A web dewatering concept which has particular utility in papermaking processes wherein overall compression and compaction of the paper web by mechanical means is avoided comprising a high pressure...
4132590 Method of producing inorganic boards  
A method of producing an inorganic substance board, wherein after preparation, such as by use of paper making process, the board is hardened in an autoclave with saturated steam at a high...
4125430 Air decompaction of paper webs  
A method of and apparatus for reducing the density and increasing the bulk of a fibrous web having an initial basis weight between 20 and 60 pounds per ream and an initial nondirectional breaking...
4120747 Use of ozone treated chemithermomechanical pulp in a high bulk tissue papermaking process  
Soft, absorbent, bulky paper web useful in tissue, towel, sanitary, and like products. The web is formed by supplying an aqueous furnish which includes thermomechanically defibrated pulp in...
4102737 Process and apparatus for forming a paper web having improved bulk and absorptive capacity  
An improved low-density papermaking process particularly suited for use in conjunction with twin wire formation style papermaking machines is disclosed. In a particularly preferred embodiment, a...
4072557 Method and apparatus for shrinking a travelling web of fibrous material  
Method and apparatus for shrinking a travelling web of fibrous material by transferring the web of fibrous material on a porous carrier web to a transfer web travelling at a lower velocity than the...
4050982 Process and apparatus for continuously shrinking a non-woven sheet  
The invention relates to a process and an apparatus for continuously shrinking a fibrous sheet containing heat-shrinkable fibers by means of a hot liquid wherein a sheet is driven by a continuous,...
4043862 Fire resistant vermiculite composition board and method of manufacture  
A fire resistant vermiculite composition board comprises, in percent by weight, from 40 to 90% heat expanded vermiculite particles; from 5 to 20% ceramic clay particles; from 10 to 30% hydrated...
4011130 Leather-like waterlaid sheets containing particulate fillers  
Waterlaid sheets comprising essential solids consisting of (I) elastomeric binder, and (II) nonelastomeric solids comprising inflexible, non-fibrous, rounded, particulate fillers and a fibrous...
3998689 Process for the production of carbon fiber paper  
A carbon fiber paper is obtained from a mixture of carbon fibers, pulp, organic fibers having a carbon yield of not less than 20% and a paper sheet binder in relative amounts such that the ratio of...
3981768 Web-forming method and apparatus for paper-manufacturing machines  
A web-forming method and apparatus to be used in the manufacture of paper. A web is formed at one side of a travelling wire while at the opposite side thereof, from a location in close proximity...
3960652 Process of forming wet laid tufted nonwoven fibrous web and tufted product  
A tufted nonwoven web material exhibiting high loft, bulk and absorbency is made by a papermaking technique using an apertured, plate-like, fiber-collecting element having a structure appropriate...
3948721 Method and apparatus for wetting the web in paper making machines  
The moisture content of a web of newsprint paper which runs from the drying unit to the collecting station of a paper making machine is increased in several stages by atomized water issuing from...
3938261 Apparatus for improving printing surface of printing material  
An apparatus for improving the surface of a web of printing material for coating or printing including means to "drag" under pressure the web of material over a surface thereby flattening and...
3880706 Security paper containing fused thermoplastic material distributed in a regular pattern  
A method of making security paper such as paper for currency notes and paper made by the method. The method comprises incorporating in the body of the paper thermoplastic material, such as...
3874997 Multiple cylinder drier in a paper machine  
An improvement in the multiple cylinder drier unit of a paper making machine, each drying group of which consists of a number of driers disposed in two rows, one above the other, and lapped by the...
3855056 PROCESS FOR PRODUCING SYNTHETIC PULP-LIKE MATERIALS AND PRODUCING SYNTHETIC PAPERS THEREFROM  
Synthetic pulp-like materials are produced by forming into a film a mixed resin comprising at least one orientable thermoplastic resin and at least one thermoplastic resin incompatible or poorly...
3839146 METHOD AND APPARATUS FOR THE TRANSFER OF A WET-LAID NONWOVEN TEXTILE WEB FROM A PERFORATED CONVEYOR SURFACE TO A SEIVE DRUM SURFACE  
A fibrous web conveying system for transferring a newly formed web from a wet-laying unit to a seive drum dryer. The wet web is carried on a perforated conveying surface which comes into tangential...
3833466 MANUFACTURE OF HARDWOOD PRINTING PAPER  
Paper capable of being converted to printing paper and capable of being processed through high speed printing machines is manufactured from 100 percent or near 100 percent hardwood groundwood pulp...
3816941 DRIER SECTION  
Drier section for drying a material web, having two superimposed rows of cylinders; said material web travelling alternating from row to row, partially wrapping said cylinders; each two of said...
3639207 METHOD FOR DRYING NONWOVEN FABRIC  
A nonwoven web, formed on a continuous screen papermaking machine and including heat shrinkable fibers, is delivered onto an endless coarse wire screen and exposed to infrared radiation to heat the...
3589031 PAPER CONDITIONING APPARATUS  
A drum, around which a paper web is passed in the paper conditioning apparatus, has its periphery defined by two wires wound helically outwardly in both directions from the center of the drum, the...
3542640 METHOD FOR DRYING A WET FOAM CONTAINING CELLULOSIC FIBERS  
3531371 APPARATUS FOR MAKING PAPER  
3523865 METHOD OF PRODUCING EXTENSIBLE PAPER  
Matches 201 - 250 out of 286 < 1 2 3 4 5 6 >