| Patent Number |
Title Of Patent |
Date Issued |
| RE33494 |
Pick holding arrangements |
December 18, 1990 |
| A cutter pick assembly comprises a point attack cutter pick rotatably mounted in a pick box through a sleeve in a bore. In front of the sleeve a hardened metal thrust and seal ring is mounted surrounding the forward end of the pick shank. The ring has a front face which engages in a rece |
| RE31526 |
Coated cemented carbide body and method of making such a body |
February 28, 1984 |
| An improved sintered cemented carbide body and method for making same is disclosed. The improved sintered cemented carbide body contains at least one metal carbide and a binder metal, on which body there is applied at least one thin, wear resistant surface layer consisting essentially of |
| 7344368 |
Device for the production of a granulate |
March 18, 2008 |
| Disclosed is a device for the production of a granulate whereby a perforated rotating outer tube with a supply device for the dripping material arranged on the inside thereof is disposed on a rocker whereby the drive motor for the drum is disposed as a counterweight on the side oppos |
| 6510941 |
Device for sealing lateral edge areas of an endless conveyor belt |
January 28, 2003 |
| An endless conveyor belt has a thermal fluid (gas or liquid) sprayed against a portion of its underside to define a temperature-controlled region of the belt. To prevent the lateral escape of the thermal fluid, stationary seals are provided which contact the belt underside adjacent r |
| 6217697 |
Method for producing and coating melt portions as well as system and apparatus |
April 17, 2001 |
| A method for producing and coating melt portions includes two sheet strips, which form coating material layers, being continually fed. The melt portions embedded between the sheet strips are cooled and calibrated according to their thickness. The sheet strips are longitudinally and t |
| 6162036 |
Drop former having a mechanism for recirculating residual molten material |
December 19, 2000 |
| A drop former includes a supply vessel having bottom discharge openings for discharging a free-flowing viscous mass. An endless perforated belt rotates around front and rear guide drums such that a lower run of the belt travels toward the rear guide drum while passing across the discharg |
| 5979307 |
Double-belt system for processing viscous melts |
November 9, 1999 |
| A double-belt system for processing viscous melts includes a driven upper belt having a lower working run, and a driven lower belt having an upper working run spaced beneath the lower working run to form a gap therewith for receiving a viscous melt. A gap-adjusting mechanism includes upp |
| 5942082 |
System for producing and coating melt portions |
August 24, 1999 |
| A method for producing and coating melt portions includes two sheet strips, which form coating material layers, being continually fed. The melt portions embedded between the sheet strips are cooled and calibrated according to their thickness. The sheet strips are longitudinally and t |
| 5830418 |
Method of using ultrasound to promote crystallization of solid substances contained in a flowabl |
November 3, 1998 |
| A flowable material, such as a supercooled melt or supersaturated solution, is dispensed onto a take-up member such as a belt or drum. Either prior to, or after being dispensed onto the take-up member, the material is exposed to ultrasound to promote the crystallization of solid substanc |
| 5810892 |
Method and apparatus for purifying chemical substances |
September 22, 1998 |
| After being subjected to a melt crystallization operation, a crystal-containing melt is formed into particles of the same size and shape and then conducted in counter-flow relationship to washing liquid in a washing column. The crystal-containing melt can be formed into particles by |
| 5775380 |
Warp beam replacement and threading apparatus |
July 7, 1998 |
| After a warp beam on a loom is used up, its old warp threads are separated from a material being woven on the loom. The used-up beam, together with its residual old warp threads, is then mounted on a transport device and moved away from the loom. A winding element rotatably mounted on a |
| 5770235 |
Drop forming drum for the manufacture of pastilles |
June 23, 1998 |
| A hollow drum is rotatable about a horizontal axis and includes openings around its circumference for discharging drops of a free-flowing substance onto a cooling belt in the manufacture of pastilles. A stationary body disposed inside the drum is spaced from the interior surface of a fro |
| 5766642 |
Apparatus for manufacturing granulated material |
June 16, 1998 |
| A mechanism for making granulated material from a viscous substance includes a vessel charged with the substance and having a discharge arrangement such as a slit through which the substance can flow onto a cooling surface. A belt disposed above the cooling surface is passed across t |
| 5730329 |
Apparatus for applying free-flowing substances as strips or drops onto a transport belt |
March 24, 1998 |
| A drop former comprises a drum assembly including a stationary inner drum and a rotatable outer drum mounted coaxially around the inner drum. The outer drum has holes which periodically become aligned with holes in the inner drum to allow a flowable substance to flow from the inner drum |
| 5725608 |
Process and apparatus for material separation by crystallization from the melt |
March 10, 1998 |
| Crystallization of a melt is induced by causing the melt to flow downwardly in a gap which is defined by upwardly moving cooled walls so that crystallate adheres to the walls and is carried upwardly for recovery. The walls are formed by endless belts which are cooled by fluid sprayed fro |
| 5720985 |
Apparatus for the manufacture of solid particles from a flowable mass |
February 24, 1998 |
| In order to form separate particles from a flowable mass, the flowable mass is fed through a pipe and extruded through holes formed along a longitudinal axis thereof. The pipe is oscillated by an agitator in a direction transversely of the longitudinal axis to cause the extruded mass |
| 5609887 |
Apparatus for producing granular material including a belt formed of elastically joined links |
March 11, 1997 |
| Granular material is produced by discharging a viscous material from a vessel and onto a support surface on which the material solidifies. The vessel has first openings through which the material flows, and a belt travels across lower ends of the first openings, whereupon second openings |
| 5593501 |
Device for coating small solid bodies |
January 14, 1997 |
| A device is disclosed for improved coating of small solid particles with a melt of a material which solidifies at room temperature. The device includes a rotatable turbine body and conduits for supplying solid particles and molten material to the rotatable turbine body. The turbine b |
| 5593500 |
Device for coating solid particles |
January 14, 1997 |
| A device is disclosed for improved coating of small solid particles with a melt of a material which solidifies at room temperature. The device includes a rotatable turbine body having two rotatable disk parts. An annular gap is provided between the rotatable disk parts which allows the |
| 5591458 |
Apparatus for manufacturing granulated material |
January 7, 1997 |
| A mechanism for making granulated material from a viscous substance includes a vessel charged with the substance and having a discharge opening arrangement for discharging the substance onto a cooling surface. A belt travels across the vessel, the belt having openings arranged to per |
| 5570775 |
Apparatus for the release of a product from a continuously circulating belt |
November 5, 1996 |
| An endlessly driven belt extends around a drum and carries a product. Removal of the product from the belt is effected by a doctor blade which bears against a portion of the belt traversing the drum. The doctor blade is fixedly connected to the drum for movement therewith to remain paral |
| 5569315 |
Process and device for cleaning the waste air of systems for the solidification of melts |
October 29, 1996 |
| A melt is converted into pieces by being converted to individual quantities that are dropped onto a cooling surface. Disposed above the cooling surface is a hood having a suction outlet for conducting waste air to a cleaner. Disposed in the hood upstream of the suction outlet is an a |
| 5558821 |
Method and apparatus for purifying the exhaust air of installations for consolidating molten sub |
September 24, 1996 |
| A molten substance is consolidated by being deposited onto a cooling belt which conveys the substance through a space formed between the belt and an overhead hood. The formation of exhaust dust from the substance is minimized by controlling heaters in the hood to vary the temperature alo |
| 5445108 |
Process and apparatus for the crystallization of a melt |
August 29, 1995 |
| A melt is crystallized by introducing the melt into a gap formed between two belts. The gap-forming flights of the belts travel in opposite directions. An upper one of the flights is cooled so that an upper surface of the melt crystallizes thereon and is removed from the gap on the upper |
| 5402917 |
Rotary drum for dispensing flowable material and heating hood thereof |
April 4, 1995 |
| A rotoformer includes a rotary drum for dispensing drops or strips of a free-flowing compound onto a cooling belt. A heating hood overlies the drum and is swingable to an inoperative position to afford access to the drum. The hood is mounted for swinging movement on a vertical axis which |
| 5401938 |
Rotary drop former with electrical inductive heater |
March 28, 1995 |
| A drop former includes an outer rotary steel body having circumferentially spaced openings which successively reach a lower discharge position to enable viscous material to drop onto a cooling conveyor from within the outer body. An inner steel body, which can be stationary or rotating, |
| 5344087 |
Device for producing granulate |
September 6, 1994 |
| A machine for producing granulate from meltable compounds comprises a stationary inner drum and a rotary outer drum mounted on the inner drum. Melted compound contained within the inner drum drips onto a cooling belt when openings in the outer and inner drums become vertically aligned. A |
| 5277246 |
Sealing arrangement for a running belt |
January 11, 1994 |
| A belt travels forwardly upon the upper faces of a pair of laterally spaced, stationary sealing strips. Heat exchange liquid is sprayed against a bottom surface of the belt between the sealing strips to exchange heat with material traveling on the top surface of the belt. The upper faces |
| 5269817 |
Process and apparatus for the crystallization of a melt |
December 14, 1993 |
| A melt is crystallized by introducing the melt into a gap formed between two belts. The gap-forming flights of the belts travel in opposite directions. An upper one of the flights is cooled so that an upper surface of the melt crystallizes thereon and is removed from the gap on the upper |
| 5261484 |
Drum for cooling or heating a product |
November 16, 1993 |
| A cylindrical drum exchanges heat between a process fluid sprayed against its inner surface, and a raw product applied to its outer surface. The drum is formed by a thin cylindrical strip which is mounted on two disks. The strip is stiff enough to resist sagging under its own weight. The |
| 5232128 |
Apparatus for depositing pieces of flowable material onto a transport belt |
August 3, 1993 |
| A rotary drum assembly contains a flowable material and includes peripheral openings through which the material can flow to form pieces of the material on a belt traveling beneath the drum assembly. A guide contacts the outer periphery of the drum assembly for pressing residual material |
| 5149445 |
Process and apparatus for the purification of substances |
September 22, 1992 |
| A substance is provided in molten form and then converted into crystallized pellets. The pellets are conveyed into a vessel having an open lower end, whereby the pellets continuously advance downwardly. As the pellets advance, they are subjected to a hot gas flow which causes outer c |
| 5013498 |
Method and apparatus for producing pastilles |
May 7, 1991 |
| Pastilles are formed by passing small quantities of a viscous material through small openings and onto a moving conveyor surface located therebeneath. The viscous material is contacted by the conveyor surface after the material protrudes from the openings, but before the material bec |
| 4963084 |
Granulating apparatus |
October 16, 1990 |
| A granulating apparatus includes a hollow roll equipped on its internal circumference with axially extending toothed ledges and a co-rotating contact pressure roll, equipped with corresponding axial toothed ledges on its outer circumference, and engaging in the hollow roll in the lower a |
| 4818635 |
Nitride-based ceramic material |
April 4, 1989 |
| The present invention relates to a sintered nitride-based ceramic material, where the presence of polytype of Si-Al-O-N together with beta' and/or alpha' Si-Al-O-N constitutes the main components. It also contains an intergranular phase and depending on the composition crystalline AlN or |
| 4816225 |
Apparatus for the purification of contaminated sulfur |
March 28, 1989 |
| Impurities are removed from pieces of sulfur by dropping the pieces directly into a bath of heated liquid sulfur disposed in a vessel. The liquid sulfur is heated externally of the vessel and conveyed thereto. The sulfur pieces melt in the bath. A movable element, such as a rotary screen |
| 4799424 |
Fluid seal for moving belts |
January 24, 1989 |
| A conveying apparatus comprises a conveyor belt and a housing disposed atop a conveying surface of the belt to form a chamber communicating with that surface. A fluid sealing assembly extends between the housing and the belt and comprises a profile cord engaging the belt surface. The pro |
| 4793787 |
Apparatus for the production of mat webs from a mixture of granules |
December 27, 1988 |
| A layer of granules is deposited onto a conveyor belt and then heated and pressed to form a final product (e.g., floor covering). The layer is deposited from a funnel having a bottom outlet. Disposed across the outlet are a rotary sizing roll which forms a first gap with the belt, and an |
| 4790257 |
Apparatus for the production of fiber web reinforced plastic laminates |
December 13, 1988 |
| A fiber web reinforced plastic is formed by applying dry resin powder to opposite sides of a vertically moving web, and then melting and pressing the power into the web. The dry powder is applied to the web by being thrown thereagainst. The powder thus more effectively occupies the voids |
| 4771683 |
Dual belt press with obliquely disposed heating plate strips |
September 20, 1988 |
| A dual belt press comprises a pair of endless belts forming oppositely facing press flights. The press flights are pressed toward one another by press plates, with freely rotating rollers disposed between the press flights and press plates. Each press plate comprises a support plate and |
| 4748907 |
Guide chain for the rolls of a dual belt press |
June 7, 1988 |
| In a dual belt press, the press belts are supported at each end by a first chain. The first chain includes spaced links through which a stud projects. A sleeve is mounted on each stud between the spaced links. The outer circumferences of adjacently disposed sleeves abut one another to |
| 4743187 |
Apparatus for the production of fiber web reinforced plastic laminates |
May 10, 1988 |
| In the production of a glass mat-reinforced thermoplastic, a mat and resin are pressed and heated in a compression zone of a dual belt press. The resin is metered onto the upper flights of the two belts of the press in powder form, and is heated at least to the extent that it adheres as |
| 4722213 |
Method and apparatus for the production of bent tubes |
February 2, 1988 |
| A bent tube is formed by passing a straight tube through a diameter-reducing die such that the central axis of the die forms an acute angle with the direction by which the tube is pulled through the die. The acute angle can be kept constant in order to produce a tube having a constan |
| 4714015 |
Sealing arrangement for a medium-containing chamber of a dual belt press |
December 22, 1987 |
| A dual belt press comprises opposed movable belts and a chamber disposed adjacent one of said belts for containing a medium to be applied to such belt. The chamber is defined by a frame. A seal for the medium is carried by the frame. The frame includes a holder attached to said frame and |
| 4690721 |
Apparatus and process for the production of multilayer laminated plates |
September 1, 1987 |
| Apparatus for the production of multilayer laminated plates, in particular circuit boards for electrotechnical applications, wherein webs of glass fiber roving fabric are impregnated with a synthetic resin binder, and subsequently pressed in a dual belt press. Upstream of the press, a |
| 4674924 |
Single-sided cutting insert |
June 23, 1987 |
| A single-sided cutting insert preferably for thread chasing, the lower face of which comprises three support surfaces inclining towards the center of the lower face and a recess separating them. The support surfaces are projecting partly around the recess and therefore the cutting insert |
| 4633424 |
Programmable multi-channel tool monitor with multiple alarm limits and sensor taring |
December 30, 1986 |
| A multiple condition sensing and multiple alarm generating monitor for an automated machine tool which is repetitively stepped through a predetermined sequence of operations comprises a sensor for sensing each of a plurality of tool operated conditions; a memory for storing, for each |
| 4624505 |
Mineral cutter picks and pick assemblies |
November 25, 1986 |
| A mineral cutter pick is mounted in a holder. Passages in the pick and the holder supply fluid to an opening near the pick cutting edge. Sleeves are provided in the adjacent ends of the passages in the pick and holder and receive the opposite ends of a tubular connector. At least one of |
| 4624053 |
Saw |
November 25, 1986 |
| A saw has a plurality of generally V-shaped teeth formed by punching. The sides of each tooth define cutting edges. A bevel extends along each cutting edge. The bevels are formed by punching with a tool having a surface oriented non-perpendicular to the saw blank. Burrs formed during |
| 4623307 |
Device for extruding flowable substances |
November 18, 1986 |
| A flowable substance is extruded from two coaxial telescoping cylindrical containers of which the outer is provided with openings on its periphery and is rotatable about the inner container. The substance is fed to the inner container and exits via a row of openings therein. As the outer |
