| Patent Number |
Title Of Patent |
Date Issued |
| RE29125 |
Continuous molding conveyor with side clamping and release |
January 25, 1977 |
| Plastic is foamed in a pressure tunnel portion of a molding conveyor formed by opposed endless conveyor runs with side pieces defining the product cross section. One or both employed the endless runs, preferably the bottom conveyor run is laterally split into at least two separate endles |
| 5035314 |
Gravity roller conveyor construction |
July 30, 1991 |
| In a gravity rollerway conveyor having a plurality of resilient tired rollers with low frction bearings, the resilient tires are selected for various properties desired for the overall conveyor and are permanently preassembled on metallic cylindrical tubes for stockpiling, so that th |
| 5029423 |
Vibration resistant building construction |
July 9, 1991 |
| A building that can be constructed quickly in a wide variety of configurations has a sill beam that runs along the perimeter of the building. The plumbing, electrical and other utility needs for the building are channeled through a cavity provided for in the sill beam. Columns are re |
| 4981210 |
Rigid slat endless conveyor |
January 1, 1991 |
| An endless rigid slat conveyor is provided with pivotal connections between adjacent slats that are formed by pivotally interengaging arcuate surfaces with abutting planar surfaces between the connections and the flat surface of the formed belt. The connection has an arcuate outer surfac |
| 4981203 |
Multi directional conveyor wheel |
January 1, 1991 |
| A multi directional wheel, particularly for use with guide structures and conveying structures, driven or undriven, consists of only two different parts, namely an integral one piece molded synthetic resin hub and an integral one piece molded synthetic resin roller. A plurality of such |
| 4969548 |
Compression set limiting gravity conveyor |
November 13, 1990 |
| An undriven gravity roller conveyor is disclosed in which a first plurality of idler conveyor rollers having a rigid outer annular wheel surface and an annular tire of an elastomeric material with an inner annular bearing surface of complementary shape, mounted on each rigid outer annula |
| 4422988 |
Fluid film continuous processing method and apparatus |
December 27, 1983 |
| An apparatus and a method is disclosed for continuously producing an indefinite length strip of material in a mold with monitoring of such operating characteristics as product temperature, product pressure, product quantity, film temperature, film pressure, film quantity, reaction ti |
| 4421227 |
Tilting shelf, vertical conveyor |
December 20, 1983 |
| A tilting shelf type vertical conveyor wherein a plurality of shelves are pivotally mounted between two endless chains that are driven by pairs of upper and lower sprockets, is provided with a shelf control system having effectively a single track formed by a first track half adjacent on |
| 4379503 |
Gravity rollerway conveyor |
April 12, 1983 |
| One or more of the rollers of a gravity rollerway conveyor has an annular outer tire forming the load support surface, which tire is assembled on the hub of the roller by first being turned inside out from its normal relaxed position and then being stretched over the hub that has a large |
| 4278624 |
Fluid film continuous processing method and apparatus |
July 14, 1981 |
| Material such as panels, boards, and flexible sheets are produced and processed while passing between two or more surfaces at least one of which has a thin layer of pressurized fluid in direct contact with the product. While in this process zone, the item is shaped, coated, smoothed, |
| 4252512 |
Coanda effect support for material processing |
February 24, 1981 |
| A conveying and supporting surface is provided with a plurality of coanda effect nozzles for providing a directional film of gas along the surface to support and/or convey a plurality of articles, in indefinite length web, or material along the surface. The directional coanda effect nozz |
| 4214864 |
Continuous molding apparatus with cover belt |
July 29, 1980 |
| Rigid synthetic foam is expanded, molded and cured in an endless mold formed by opposed spaced horizontal belt conveyors with side dams. To obtain a smooth finish on the products, a top cover belt and a bottom cover belt are employed to span the rigid slats of the conveyors, respecti |
| 4178144 |
Molding conveyor drive |
December 11, 1979 |
| In a molding apparatus employing opposed endless belt conveyors to mold a non-rigid material into a rigid material, the problem of one conveyor being driven at a slightly greater speed than the other conveyor to produce harmful shear stresses within the molded product is avoided by d |
| 4154562 |
Adjustable width molding apparatus for a flat-top bun |
May 15, 1979 |
| The pour plate that is inclined downwardly between the side conveyors of a U-shaped continuous molding tunnel is adjustable in width between the correspondingly adjustable side conveyors so as to selectively produce flat-top buns of foamed synthetic resin of a desired width within the |
| 4138454 |
Low profile method of mixing and depositing foam |
February 6, 1979 |
| Two foamable chemicals are diverted from a recirculation path by simultaneously operable pivoting ball valves to respective separate paths through respective one way valves, pressure responsive normally closed poppet valves, and a common conduit to a common mixing chamber wherein the |
| 4119190 |
Low temperature rollerway brake |
October 10, 1978 |
| For cold temperature storage on a gravity rollerway conveyor, the parallel flights of rollers of the rollerway conveyor each have a first group of rollers engaging the pallets in their storage position with surfaces having no appreciable compression set characteristics and a second group |
| 4091907 |
Speed control attachment for gravity roller conveyor |
May 30, 1978 |
| A gravity undriven roller conveyor is provided with speed control so as to maintain articles travelling thereon within a narrow speed range generally independent of the length of the conveyor, the starting speed of the article, and the load of the conveyor by providing an elastomeric tir |
| 4062525 |
Foam mixing head |
December 13, 1977 |
| Two foamable chemicals are diverted from a recirculation path by simultaneously operable pivoting ball valves to respective separate paths through respective one way valves, pressure responsive normally closed poppet valves, and a common conduit to a common mixing chamber wherein the |
| 4051209 |
Continuous rigid foam panel production |
September 27, 1977 |
| Composite panelling of upper and lower metal skins with side configurations for interlocking and a rigid foam core are continuously made by feeding separate upper and lower skin panels secured together by preassembled rigid foam end dams continuously past a foam station having a small he |
| 4006810 |
Resilient conveyor rollers |
February 8, 1977 |
| A flanged wheel for a roller conveyor is provided with a substantially solid elastomeric tire narrower than and surrounding the wheel without bonding thereto, the tire normally extending radially beyond the flanges. Compression set of the elastomer and consequent flat spots under excessi |
| 4002231 |
Load transfer mechanism and jam preventing controls for a vertical shelf conveyor |
January 11, 1977 |
| A conveyor having generally horizontal shelves traveling vertically within a casing between load transferring stations provided with openings in the casing and transfer means at a load transfer station is characterized by a safety cable adjacent the upper portion of the opening to be in |
| 3994648 |
Endless conveyor spacing control for continuous molding |
November 30, 1976 |
| Preferably for use in the production of continuous lengths of rigid foam, a molding machine employs opposed endless conveyor belts having adjacent linear runs forming therebetween a molding zone. Each of the conveyors is supported for movement toward and away from the other conveyor, and |
| 3973669 |
Endless cable conveyor with molded lugs |
August 10, 1976 |
| The endless single cable conveyor with lugs moving in a guide channel for engaging either an article to be conveyed or a carrier for the article has the lugs molded of a synthetic resin onto the cable in triangular shape and received within a complimentary shaped channel for both the con |
| 3964588 |
Conveyor having provision for discharging loads at an angle generally transverse to the line of |
June 22, 1976 |
| Conveyors, having associated therewith means to divert loads from the normal line of travel, have means thereon to reduce the drag of the loads on the conveyor elements at the point of diversion. A diverter element is sometimes positioned adjacent the path of travel of a load and is prov |