| Patent Number |
Title Of Patent |
Date Issued |
| 6964341 |
Screen panel retainer system |
November 15, 2005 |
| A screen panel retainer system is useable to retain a plurality of screen panels to a separatory machine. Retainer bars are attached to the screen stringer rails of the separatory machine by an expanding of spaced plugs that are received in holes in the stringer rails. The retainer bars |
| 5398817 |
Center retainer assembly for panel mounting system |
March 21, 1995 |
| A center retainer assembly for a panel mounting system of a vibrating screen utilizes an elongated bolting bar which is encased in a resilient material that includes an elongated center retainer. The bolting bar and its encasing resilient material are situated in a channel portion of an |
| 4900442 |
Air seal centrifuge screen basket |
February 13, 1990 |
| A centrifuge screen basket mounting about an outer end portion a plurality of circumferentially spaced impeller blades in operation confronting and radially spaced inwardly of a seal ring of a centrifuge machine, the blades being uniformly tilted forwardly in the basket's direction of |
| 4840728 |
Vibrating screening apparatus |
June 20, 1989 |
| Vibrating screening apparatus in which one or more screen panels are supported between spring-mounted side plates on crosstubes and the several parts of the apparatus are connected primarily by bolting, the crosstubes by U-bolt and tube saddle clamps to framing for attaching the screen |
| 4814075 |
Feed box assembly |
March 21, 1989 |
| A feed box assembly including a feed box for feeding a slurry or other mixture to a screen, the box having an adjustable gate for controlling the rate and impingement angle of the feed on a screen and seals on the gate and cooperating fixed deflectors in and on the box for preventing the |
| 4725176 |
Fluid actuated nut |
February 16, 1988 |
| A fluid actuated nut having a cylindrical casing engageable at an inner end with a base, the casing containing a coaxial relatively axially shiftable plunger having an inwardly opening partial central bore for threadedly receiving a shank of a bolt, a compression spring acting outwardly |
| 4723352 |
Method of applying and removing fluid actuated nut |
February 9, 1988 |
| A method of applying and removing a fluid actuated nut, the nut having a cylindrical casing engageable at an inner end with a base, the casing containing a coaxial relatively axially shiftable plunger having an inwardly opening partial central bore for threadedly receiving a shank of |
| 4710296 |
Static sieve feed control |
December 1, 1987 |
| In a static sieve assembly having a housing for mounting a sieve or screen, a feed box having a discharge spout for feeding material tangentially to and across the sieve, a side of the spout having flexibly connected fixed upper and movable lower parts, and an actuator on said feed box a |
| 4555055 |
Method of making centrifuge screen baskets |
November 26, 1985 |
| A method of making a frusto-conical centrifuge screen basket of side-connected segments formed of wedge-shaped screen wires connected and backed by tie bands welded thereto, in which the segments are each fabricated in the flat by clamping laterally spaced screen wires to a flat work |
| 4512880 |
Method of removing slimes from slurries |
April 23, 1985 |
| Method of removing slimes from slime-containing slurries in which the slurry is force fed at an acute angle onto a downwardly directed screen surface of a welded profile wire screen having fine screen openings at a pressure which for the slime content and impact angle of the slurry on th |
| 4487695 |
Centrifuge screen basket |
December 11, 1984 |
| A screen basket for centrifugal deliquefying and/or classifying of particulate solid and solid-liquid mixtures, the basket being fed internally, rotating about a vertical axis and on initial installation presenting for driving engagement with the mixture fed into it an axially serrat |
| 4422937 |
Static screen |
December 27, 1983 |
| A reversible static screen for classifying and dewatering flowing slurries, the screen being inclined and having a flow or screening surface formed by laterally spaced screen wires disposed normal to the flow direction of the slurry and so spaced that the openings therebetween are narrow |
| 4343981 |
Resistance welding machine |
August 10, 1982 |
| A resistance welding machine for progressively welding each of a succession of transverse wires to longitudinal wires at a transverse welding station to and through which the longitudinal wires are incrementally advanced, the machine having a welding unit including a carriage mounted abo |
| 4328145 |
Additive for air-entrained super plasticized concrete, concrete produced thereby and method of p |
May 4, 1982 |
| Air entrained, super plasticized concrete having a maximum bubble spacing factor of 0.008 inch (ASTM Standard C 457) and a method for preparing such concrete are disclosed. The method includes the steps of adding an air entraining agent while mixing aggregates and water, adding during th |
| 4319112 |
Screen welding machine |
March 9, 1982 |
| A machine for welding screens formed of spaced longitudinal screen wires welded at a welding station to spaced transverse rods, in which the transverse rods in succession are clamped and welded to the screen wires at the welding station, the screen wires are incrementally fed to and |
| 4221951 |
Screen welding machine |
September 9, 1980 |
| A machine for welding screens formed of spaced longitudinal screen wires welded at a welding station to spaced transverse tie rods, the machine having at the welding station a ram clamping both the screen wires and a tie rod against movement during welding and rearward of the welding |
| 4193503 |
Slurry screen |
March 18, 1980 |
| A self-cleaning screen for separating fibrous and other solids from flowing slurries, the screen having a flow surface formed by parallel laterally spaced screen wires disposed perpendicular to the flow direction of the slurry, each screen wire having a flat rearwardly declining top boun |
