Abstract: A stamped, steel insert for use in metal die cast articles. The insert includes first and second interconnected stamped steel insert halves spaced from one another at certain locations to define a void. Openings communicating with the void extend through each insert half to facilitate material flow and to improve interlock of the insert and die cast material. The edges of the insert lie below the surface of the casting to avoid bimetallic machining. The insert halves cooperate to define a pair of elongated passages, which are bored following die casting to form fastener holes. At least one of the passages has an elongated cross section to allow for expansion and contraction of the insert during casting.

Abstract: A method for manufacturing a supporting plate provided inside of a disc-type filter having filter media at surface portions thereof including the steps of: forming an annular plate having opposed surfaces; andforming a plurality of wave portions on the annular plate that alternately extend beyond the opposed surfaces in opposite directions by pressing, each of the plurality of wave portions extending substantially in a circumferential direction of the annular plate and the plurality of wave portions being arranged substantially adjacent to each other in a radial direction of the annular plate.The supporting plate has high pressure resistance, low-pressure loss property, good directivity of polymer flow and excellent polymer mixing effect, and it is suitable for use as retainer disposed inside of a filter.

Abstract: A supply feedstock intended for use in a workpiece finishing machine wherein individual workpieces are successively separated and presented in a predetermined fashion to an automated loading means. The feedstock includes a plurality of individual workpieces arranged in side-by-side order in the form of a continuous belt, or bandolier, of workpieces, each of the workpieces being interconnected at head and tail portions of the workpieces by integral webs, successive workpieces being trimmed from the bandolier and presented to a loading means, while the separated webs are discharged to waste.

Abstract: A method of making a bird repellant structure includes the steps of punching into a continuous base strip a plurality of diagonal slots, cutting into the continuous base strip at least one finger extending from each of the diagonal slots such that a leading end of each finger is formed by a portion of the diagonal edge of each respective slot, and thereafter, punching a plurality of repellant arms into the continuous base strip. The repellant arms extend longitudinally from each diagonal slot such that a leading end of each repellant arm is formed by the diagonal edge of each diagonal slot and includes the fingers cut therein.

Abstract: A metal member having at least one edge formation, and a web extending from the edge formation, a plurality of generally triangular openings formed in the web at spaced intervals, the triangular formations being alternately reversed relative to one another, a plurality of generally diagonal struts extending between adjacent triangular openings, edge portions along either edge of the web portion, with the struts extending from one said edge portion to the other and merging integrally therewith, flange formations formed from the web around the generally triangular openings, and lying at an angle thereto, whereby to form the diagonal struts with a generally channel shaped cross section, and forming intermittent flanges along the web edges at the base of each triangular opening, the triangular openings defining generally curved corners, and, generally three-sided indentations formed in the web edge at the roots of each of the diagonal struts.

Abstract: A light metal casting for use in combination with a metal holder for mounting heavy subassemblies, such as doors or the like, to a light metal frame member of a light metal vehicle body framework, including a first, vertical leg portion having an outward facing surface to which a metal holder is mounted, and a second, inwardly-extending horizontal leg portion connected at an upper end of the first leg portion. The second leg portion is provided with a vertical through-hole oriented transversely to its surface, and, at the edge of the opening which faces the first leg, an upstanding tongue member is formed integrally on the second leg which points away from the first leg and can be bent over the holder.

Abstract: A supply feedstock intended for use in a workpiece finishing machine wherein individual workpieces are successively separated and presented in a predetermined fashion to an automated loading means. The feedstock includes a plurality of individual workpieces arranged in side-by-side order in the form of a continuous belt, or bandolier, of workpieces, each of the workpieces being interconnected at head and tail portions of the workpieces by integral webs, successive workpieces being trimmed from the bandolier and presented to a loading means, while the separated webs are discharged to waste.

Abstract: Improvements to sections made of plastomer of U cross-section, which are intended especially for fitting to projecting edges of automobile bodywork or the like.

Abstract: This invention provides a material for a catalyzer for purifying the exhaust gas using metallic carrier and the catalyzer using said material. The material for the catalyzer is formed by providing a plurality of tabs protruding from one side surface or either side surfaces of a heat-resisting metallic thin plate such as made of a heat-resisting ferritic stainless steel. The catalyzer is formed by winding spirally or bending in the zig-zag form the material for the catalyzer solely or in combination with another metallic plane plate so as to be formed in the desired size and shape.

Abstract: A laminate structure useful for incorporating into a package structure for the microwave cooking of foodstuffs for consumption comprises an outer layer polymeric material, an outer layer of microwave transparent material, a grid layer having an electroconductive surface surrounding transmissive apertures located between the outer layers, and a thin layer of electroconductive material of sufficient thickness so that a portion of incident microwave energy is converted to thermal energy also located between the outer layers.

Abstract: The improved sound absorbing material comprises an aluminum base expanded metal (or an aluminum base metal screen) which is laminated with an aluminum base metal foil (or a thin resin film), or additionally with an aluminum base metal fiber layer. The aluminum base metal foil (or thin resin film) has ruptures, which vibrate in the process of sound absorption to permit the sound absorbing material to exhibit excellent sound-absorbing characteristics over a broad frequency range. The improved sound absorbing material can be produced by a process which comprises the steps of preparing a laminate comprising the members described above and pressing the laminate so that the individual members are compressed together while forming ruptures in a regular pattern in the aluminum base metal foil (or thin resin film).

Abstract: A honeycomb body, especially a catalyst carrier body, includes at least partly structured metal sheets forming walls of a plurality of channels through which a fluid can flow. Some of the sheets have a primary corrugation with crests, troughs and a given corrugation height. The crests and/or the troughs having a plurality of inverted regions with a height being at most equal to the given corrugation height and preferably between 1/3 and 2/3 of the given corrugation height.

Abstract: In one embodiment, the pack is torsionally flexible. Pack of laminations comprises laminations which are connected one to another by only a single connection. The single connection is provided by a projection which projects into a depression. The projection has a height which is greater than 50% of the thickness of the lamination and the depression has a depth which is greater than 50% of the thickness of the lamination. The depression and projection are produced by a projection punch which cooperates with a die. The die has a lip which is either radiused (r) or conical (C) and the punch causes the metal of the lamination to be extruded past the lip into the die while the depression is being formed. The radiused or conical lip allows the height of the projection and the depth of the depression to be greater than the normal 50% shear stress fracture depth/height.

Abstract: A honeycomb body, especially a catalyst carrier body, includes at least partly structured metal sheets forming walls of a plurality of channels through which a fluid can flow. Some of the sheets have a primary corrugation with crests, troughs and a given corrugation height. The crests and/or the troughs having a plurality of inverted regions with a height being at most equal to the given corrugation height and preferably between 1/3 and 2/3 of the given corrugation height.

Abstract: An improved blank base and method of making a bird repellant structure. The method comprises forming slots into a continuous base strip for the formation of repellant members. Said repellant members have a single forward diagonal edge for the simple cutting of repellant barbs.

Abstract: Disclosed herein is an exhaust gas cleaning device which is suitable for arrangement at an intermediate point in an exhaust gas system of an automotive vehicle and has good efficiency. The exhaust gas cleaning device includes a metal-made carrier body for an exhaust gas cleaning catalyst. The carrier body is composed of a multi-layered composite body by superposing one over the other at least one planar metal band made of a thin metal sheet and at least one corrugated metal band made of another thin metal sheet and defining many network-patterned gas flow passages along a central axis thereof to allow an exhaust gas to axially flow as streams through the gas flow passages. At least one of the bands defines many holes and many raised portions, preferably, ridges around or near the respective holes. As an alternative, at least one of the bands is made of a metal wire net.

Abstract: A continuous process for making a core for a composite panel comprising cutting spaced apart tongues in columns from a metallic sheet, the tongues being foldable about base lines in the columns each base line being separated from the next tongue in the column by a web; folding the sheet to form a castellated structure having continuous side walls constituted by the spaces between adjacent columns of tongues with the webs of adjoining rows respectively lying in spaced apart parallel planes and oppositely folding the tongues of adjoining columns to lie alongside adjacent side walls with their extremities remote from their base lines extending in an appropriate one of the planes. The invention also includes a composite panel comprising the core covered on each side with sheet material as well as a process for making such a panel.

Abstract: A retarder prevents the erosion of refractory material at a refractory corner over which fluid flows. The retarder is formed from an integral, flat piece of metal bent to form an elongated, horizontal leg and an elongated upright leg faced in parallel planes and connected by an elongated, rectangular baffle. The horizontal leg has a forward edge which tapers upwardly and forwardly to an acute angle. The upright leg has an upper edge which tapers upwardly and forwardly to an angle which complements the acute angle on the forward edge of the horizontal leg. The two legs are integrally connected by an elongated rectangular baffle with one end extending from the tapered edge of the horizontal leg and the other end extending from the tapered edge of the upright leg. The baffle is perpendicular to the legs. Each of the legs has at least two ears, one extending integrally away from each side of its leg.

Abstract: A method of fabricating a glass fiber forming feeder is provided comprising positioning a refractory metal core between oxygen impervious, precious metal layers to form a pre-laminate unit, said core having apertures extending therethrough; cold isostatically pressing said unit to move a portion of said layers into said apertures into intimate contact with substantially all of the core defining said apertures; and then hot isostatically pressing said unit to intimately bond said precious metal layers to said core including the portion core defining said apertures to form said laminate to prevent the oxidation of said core at elevated temperatures.

Abstract: A method and the product resulting from the method, for making a microminiature structure with two or more members measuring less than 1000 micrometers in any linear dimension and relatively movable to each other, comprising the steps of (a) providing a first sacrificial coating over a substrate having openings therethrough to expose a portion of the substrate, (b) depositing a first structural layer over the first sacrificial coating and the exposed portion of the substrate, with openings therethrough to expose a second portion of the substrate, (c) providing a second sacrificial coating over the second exposed portion of the substrate and said first structural layer, with openings through both the first and second sacrificial layers to expose a third portion of the substrate, (d) adding a second structural layer thereover and defining it, (e) possibly adding alternately other sacrificial coatings and other structural layers, and (f) etching the first and second and other sacrificial layers to remove them co

Abstract: The connecting strip for the manufacture of electric components intended to be used with flow soldering; this connecting strip acts during the entire manufacturing cycle as a support for the base elements of the components and as a joining plane for the molding of the coating resin, the notches punched out in the strip thus limiting the output electrodes of the components as well as the electric connections inside the coating.

Abstract: A packing element for use in an exchange column is provided. The packing element is of the type consisting of a plurality of corrugated plates placed adjacent to one another, with the corrugations of adjacent plates forming a criss-cross pattern. A plurality of regular linear arrays of "W"-shaped openings, alternating with linear arrays of "V"-shaped openings are formed in each plate. The locations of these openings or notches with respect to the corrugations are so arranged as to create liquid drip points and flow paths on the individual plates that improve the mixing and mass transfer characteristics of the packing element.

Abstract: Metal vapor-liquid contact plates disposed in face-to-face contact with respective corrugations inclined to the horizontal across an open notional plane. The metal packing is disposed within a vapor-liquid contact column for the purpose of bringing about mass and heat transfer between liquid and vapor passing in opposite directions therethrough. The body portion of each metal plate comprises metal that has been slitted to provide both surfaces thereof with a very large number of apertures with little wasted material. The metal lands defining the apertures are, moreover, twisted and angulated. The apertures in the plates also trap liquid and expose it to the vapor stream on both sides of the metal affording self-spreading of the liquid and turbulent vapor flow therethrough. In this manner, the assembly affords optimal pressure drop characteristics, surface to vapor passage area ratio, and vapor-liquid distribution characteristics.

Abstract: Process tower vapor-liquid contact method and apparatus comprising stacks of corrugated contact plates having perforated lamella disposed therebetween. The corrugated plates are disposed in face-to-face contact with respective corrugations inclined to the horizontal and separated one from the other by a perforated sheet. The assembly affords optimal pressure drop characteristics, surficial area, vapor passage area, and vapor-liquid distribution characteristics with maximum efficiency. The sandwiched plate separating adjacent corrugated contact plates greatly increases the mass and heat transfer between the liquid and vapor phases passing thereacross by effectively segregating opposed corrugated channels and establishing a plurality of vapor-liquid contact areas positioned for engaging both vapor and liquid flow in opposed directions through the oppositely inclined corrugations of adjacent plates.

Abstract: A novel and improved, expanded metal is disclosed along with novel and improved products incorporating such expanded metal. The expanded metal is formed from a piece of sheet metal which is lanced in nested arrays so that when the metal is expanded, diagonal legs are connected to the remaining portion of the sheet metal by folds. After the expanding operation, the legs are substantially coplanar with the adjacent portions of the piece of sheet metal, and the only material deformation of the metal occurs along the folds. The illustrated legs and adjacent projections, which are connected to the legs by folds, are curved so that the centers of the legs have a maximum width. The expanded metal is illustrated incorporated into various types of framing members used to position interior panels of building structures, such as drywall studs, floor tracks for drywall construction, and intersection tracks. Also disclosed are grid tees for suspension ceilings and wall molding members for suspension ceilings.

Abstract: A material for use as a core in panels or structural members includes a longitudinal and transverse axis which lie in a common plane. The material includes alternating first and second strips that are interconnected at spaced intervals along the longitudinal axis by lands lying in the common plane. Each of the first strips is formed to have portions lying to one side of the common plane and each of the second strips has portions lying to the other side of the common plane. The interconnected lands define webs extending along the transverse axis to provide inherent stiffness to the material.

Abstract: Aluminum-shielded coaxial cable is repaired by using a wraparound metallic sheet, such as copper, having a contact means on the sheet, such as "dragon skin" brass strips, and a sealing means, such as a mastic. The metallic sheet provides the electrical continuity and radio frequency shielding and the sealing means provides the environmental seal to prevent moisture from entering the opening in the aluminum shield. The sheet and contact means are held in position by compression means, such as clamps, and the sheet and compression means can then be covered with a wraparound heat-recoverable closure to protect the entire assembly.

Abstract: The packing can be used for mixing or for exchange processes in exchange columns. The packing comprises at least one group of layers perpendicular to the column axis which has deflecting surfaces connected to a central connecting bridge and which are bent outwardly of the bridge in alternating fashion to define a X-shape. The adjacent layers can be provided with outer bridges which are bent around to form hook-shape portions for engaging about an adjacent layer.The packing can be produced by simple stamping and bending steps.

Abstract: A packing is constructed for an apparatus for mixing or for exchange processes. The packing includes at least two zig-zag layers each of which has a number of parallel rows of substantially rectangular deflecting surfaces with alternating gaps in the inclined flanks. Bridges connect the rows of deflecting surfaces and are disposed in the troughs and at the apices of the corrugated layer.The packing can be produced by simple stamping and bending steps.

Abstract: The packing is made up of layers each of which is deformed into a zig-zag shape. Each layer has contiguous rows of deflecting surfaces which are interconnected by bridges and with every other deflecting surface being stamped out so as to be bent out of the plane of the layer. The stamped out deflecting surfaces of adjacent rows are offset from one another by the width of one deflecting surface and are bent out of so far as to be parallel to the next flank.

Abstract: The random or statistical packing is of hexagonal cross-section and has rectangular tongues and apertures punched out of the walls. The tongues extend towards the longitudinal axis of the packing with the opposite tongues being coplanar. The planes of the tongues are substantially parallel to the sides of the packing so that crossing channels arise for the passage of a gas. The packing has substantially the effect of a regular packing such that a satisfactory lateral distribution of liquid and gas with a relatively low pressure drop is obtained.

Abstract: An encoder disc comprised of two or more stainless steel laminations, at least one of which is thinner than the others for the purpose of providing more accurately sized openings in the disc.

Abstract: The invention is a device utilizing a sheet of memory metal being recoverable in substantially a single direction within the plane of said sheet of memory metal wherein said sheet has a plurality of perforations of a particular pattern and shape which enhance the recovery of said sheet in said direction beyond the inherent recovery of the memory metal comprising said sheet.

Abstract: Metallic ribbon having cutout patterns therein is provided in continuous helical form. The cutout patterns may be situated to intersect either or both of the ribbon edges or may be situated entirely within the ribbon. The helical ribbon with the cutout patterns may additionally have a nesting, or self-stacking, feature.

Abstract: A metal structural tie strap for fastening two or more nailable wood members to one another; the strap being formed with nail openings which are equidistant from one another and fall within nail holding means adjacent the edges of the strap. The edges of the strap transverse to the longitudinal axis of the strap are non-linear, forming a pattern in which the leading edge is a reverse image of the trailing edge.

Abstract: A furnishing device comprises liquid carrying fill sheets which are juxtaposed and vertically corrugated and define therebetween passages for a gas, said sheets comprising in succession, in a direction parallel to the crests of the corrugations at least two regions in which the corrugations have different amplitudes, namely a region having corrugations of large amplitude and a region having corrugations of small amplitude which are interconnected by a transition region. Each sheet has at intervals along the crests of its corrugations spacer devices by means of which one sheet may be fixed to an adjacent sheet and maintained out of contact with the latter except in the region of the spacer devices.

Abstract: An improved anti-skid tread or grating (10) design is provided with gripping members or rosettes (30) having a plurality of upstanding individual lobes (36) which are configured in such a way and project high enough to provide an excellent gripping surface. The lobes (36) of the design are self-cleaning, and have non-continuous gripping edges at their crests (40) that accommodate a greater build up of ice or mud without clogging the grating (10).

Abstract: A web strip with penetration stoppers are placed transversely along one or both longitudinal edges. The stoppers are designed to abut the flange surface when the strip has been pressed into the desired depth to inhibit further penetration.

Abstract: The catalyst support is a spiral formed by winding a single strip of metal upon itself. Indentations in the strip maintain a uniform spacing between the layers in the spiral. The indentations are displayed along the strip in at least two different patterns. Different patterns are wound onto successive layers in the spiral so that the indentations in successive layers cannot coincide and nest together.

Abstract: A method of forming elongated slit segments in deformable strip includes concurrently slitting and preforming the strip by intermeshing substantially convexly shaped tool surfaces each having a linear leading portion and a linear trailing portion joined by a rounded apex portion. The linear leading and trailing portions are collinear with and generally define portions of the sides of a triangle which has a base with a length equal to the length of the strip being slit. The length of the side of the triangle corresponding to and collinear with the leading portion is less than the length of the side of the triangle corresponding to and collinear with the trailing portion, and the angle formed between the side of the triangle corresponding to the leading portion and the base is not greater than 90.degree..

Abstract: A thin-walled plate provided with at least one reamed hole for mounting the plate on a centering element which extends through the hole, the largest dimension of the reamed hole in one direction being smaller than the smallest dimension of the centering element in the same direction, and with at least two elongate perforations located adjacent, and at opposite sides of, the hole and spaced from the edge of the hole to define plate portions in the form of bars between the perforations and the hole, the bars being displaceable into the region of the perforations upon insertion of the centering element into the hole.

Abstract: An improved vapor-liquid contact grid apparatus which maximizes the generation of small drops and which is inexpensive to manufacture and easy to construct is disclosed. The grid apparatus consists of multiple layered grids, each grid being formed of upright grid members and connectors. The grid members carry vanes, formed from the member itself by a process of slitting and bending, which vanes extend out into the region between the upright grid members, thus restricting vapor passage, providing drip points and increasing the effective surface area for gas-liquid exchange. The grid members and connectors are arranged in an "egg carton" -like fashion to provide a simple, yet sturdy, grid.

Abstract: A laminated pack comprises a plurality of uniform, closely adjacent superposed sheets and a mechanical interconnection for said sheets holding them together which comprises the pinching of a portion of the sheets themselves against one another. The interconnection is effected by slitting the sheets in areas to form teeth on each side of a hole formed through the sheet or along an edge of the sheet and by subsequently deflecting the teeth in a stacked set of sheets so that adjacent ones of the teeth move into recesses vacated by similarly deflected teeth of the next adjacent sheet and fit into the area with a pinching interengagement. The pack is formed by feeding prestamped sheets along a feed path and separating and stacking individual sheets therefrom in a direction perpendicular to the advance direction of the strip and also pinching the sheet so that teeth formations of superposed sheets bear into the next adjacent sheet to hold them together.

Abstract: A method for forming a thin-walled object having a thin reinforcing sheet so perforated as to be deformable into a surface having a selected curvature, the reinforcing sheet being embedded in a plastic material that is hardened to form a surface corresponding to the curvature of the reinforcing sheet.

Abstract: A blank for a stone setting comprising a base and prongs extending radially therefrom, said blank having a planar lower side and a notched upper side, the notches at the upper side defining at the junctions of the prongs with the base hinges which enable bending the prongs upwardly relative to the base to form a stone cage and at the distal ends thereof a seat for the stone and tangs for fixing the stone against the seat. A method of making a setting including making the blank by striking it from malleable sheet metal, removing parts of the sheet metal from around the bank, stripping the blank from the sheet metal, using a punch to force it into a die for bending the prongs and tangs at their notched areas to shape it into a cage. A further method of setting a stone by seating a stone against the seat at the top of the cage and bending the tangs against the stone.

Abstract: A composite structural material is disclosed which comprises a profiled steel sheet and an insulating layer bonded to the profiled steel sheet on at least one side thereof, said insulating layer comprising an expanded mineral core layer bonded with an inorganic binder or a mixture of inorganic binder and a small amount of organic binder. The steel sheet has joining means extending therefrom and into the insulating layer. The composite structural material may be used as a roof material.

Abstract: A grating plate includes a succession of opposed symmetrical pyramids having arms connected at their tops with wax-drop shaped reinforcing elements. Fixing means are provided on the sides for connecting a plurality of grating plates together.

Abstract: The catalyst support is a spiral formed by winding a single strip of metal upon itself. Indentations in the strip maintain a uniform spacing between the layers in the spiral. Heretofore this uniform spacing has been obtained only by winding a double layer of two strips, one flat and one corrugated.

Abstract: Wooden members are joined with sheet metal connector plates having integrally struck teeth projecting from one side. The wooden members are placed between first and second pressheads. A coiled composite of connector plate stock has first and second lengths of connector stock in juxtaposition and with intermeshing teeth. The first and second lengths of connector stock are unwound separately and oriented so that the teeth thereof point toward the wooden members to be joined. A cutting means associated with the pressheads cut connector plates from the stock and the plates are positioned on opposite sides of the wooden members and at the junctures to be joined. The pressheads press the plates into the wooden members. The connector stock is provided as a free coil and has the advantage that no spool, reel, or like supporting device is required. Further, the composite of connector stock has no teeth projecting from outer surfaces thereof.

Abstract: In a corrugated metal sheet of the type that is adapted to have the edges of recesses which are located at the crests of the corrugations engaging a tube for establishing heat transmitting contact between the metal sheet and the tube, each recess in the metal sheet is so much smaller than the geometrical figure inscribed by the line of engagement between the metal sheet and the tube that an annular edge portion will be formed between the recess and the line of engagement. As a result, the recess despite manufacturing inaccuracies will bear with the whole extent of its edges against the tube, the excess material at the edges of the recess being brought to form an edge flange facing the tube.The corrugated metal sheet is manufactured from a strip which is advanced stepwise in the corrugating operation. The recesses are punched in the metal sheet before the corrugating operation, the punching being effected between the steps of advancing the metal sheet.