Abstract: In order to facilitate lifting a booster cloth containing a detergency booster and which dissolves in water during washing from a stack arranged in a dispenser without any special aids, a curved incision is made at the center of gravity of the cloth and the stack of cloths is mounted in an upwardly convex arcuate fashion in such a way that a tab area projects upward from the surface of the cloth along the incision.

Abstract: A method of forming a substrate for needlecraft comprising the steps of providing a planar sheet of metal of a desired shape and size and chemically etching the sheet of metal from both planar surfaces at predetermined to areas to form a pattern of apertures which are suitable for embroidering with thread. The invention also comprises a substrate formed by the above method. The invention further comprises a craft item which is formed by the application of thread to the apertures of the metallic substrate which is formed by the above method.

Abstract: A loosely constructed knit or woven fabric is dimensionally stabilized by causing staple length textile fibers to be entangled about the intersections of the yarns comprising the fabric. The stabilized fabric is formed by covering one or both sides of the loosely constructed base fabric with a light web of the staple length fibers, and subjecting the composite material to hydraulic entanglement while supported on a porous forming belt configured to direct and concentrate the staple length fibers at the intersections of the yarns comprising the base fabric.

Abstract: A light weight entangled nonwoven fabric formed by fluid rearrangement/entangling of an oriented web of fibers comprising at least 75% polyester staple fibers, and displaying excellent machine direction and cross direction strength.

Abstract: Pieces of strips of flexible, open plastics mesh structure are randomly embedded in a matrix without creating a substantial amount of extra void space in the matrix, to strengthen the matrix. Each piece or strip comprises more than one mesh opening, has tenaceous junctions or intersections, has high dimensional stability in its plane, and has high flexural recovery. Relatively small, generally flat pieces can be used, or alternatively strips more than one hundred times as long as they are wide. In the case of soil, a special machine can be provided which cuts up a reel of continuous mesh structure and has a rotary digging tool which digs up the top layer of soil and mixes pieces with the soil.

Abstract: A packaging material for photosensitive materials comprising a laminate of at least three layers comprising thermoplastic resin bonded fabric of the mesh structure and flexible sheet layers laminated on both sides thereof, wherein:(a) said thermoplastic resin bonded fabric of the mesh structure has a mean thickness of 0.01 to 1.3 mm,(b) said thermoplastic resin bonded fabric of the mesh structure has an aperture ratio of 15% to 98%,(c) said laminate including one or two or more light-shielding layers, and(d) only one layer of said flexible sheet layers on both sides of said thermoplastic resin bonded fabric of the mesh structure is applied with an adhesive layer, and the other (opposite) flexible sheet layer is bonded and laminated over at least 10% of the overall area through the apertures or meshes in said fabric.

Abstract: In order to facilitate lifting a booster cloth containing a detergency booster and which dissolves in water during washing from a stack arranged in a dispenser without any special aids, a curved incision is made at the center of gravity of the cloth and the stack of cloths is mounted in an upwardly convex arcuate fashion in such a way that a tab area projects upward from the surface of the cloth along the incision.

Abstract: An improved mount (10) for X-ray film transparencies comprises a pair of sheets (12, 14) and a layer of pressure-sensitive adhesive (16) therebetween. Viewing openings (18) of identical size are provided through the sheets (12, 14). Rectangular die cuts (22) are provided only in the liner sheet (14) about rows of openings (18) to define removable portions (24) that can be peeled away to expose simultaneously portions of the adhesive layer (16) surrounding the viewing openings. Arcuate thumb cuts (26) are also provided in the liner sheet (14) to facilitate lifting and removal of the liner portions (24). Lines of perforations (28) are preferably provided in the sheets (12, 14) between the rectangular die cuts (22) so that the amount can be separated into rows of viewing openings (18) as desired.

Abstract: The invention relates to a net composed of a regular array of longitudinal ribbon-formed continuous filaments of a polymer substance, and a regular array of transverse stems of different polymer matter, said filaments being embedded in said stems, as well as to a process of producing such net from a sheet consisting of a regular array of longitudinal ribbon-like polymer filaments embedded in a polymer matrix, the filament polymer having a higher melting point than the matrix polymer, by transversely impressing said sheet at a temperature where siad matrix is at least semi-molten and the filaments are solid, then splitting the structure.

Abstract: A two-dimensional integral net having a nap in form of relatively long fibres which are integral with the net and protrude from the edges which surround the apertures of the net.A method of producing this net from a film is by heating selected areas of the film to a molten state and dragging out this molten material into fibres to leave apertures in the film while controlling the fibre-dragging by cooling with an air jet.

Abstract: The invention relates to a nonwoven fabric having a valuable combination of properties that makes the fabric particularly useful as a wiping cloth.

Abstract: Disclosed is a heat insulating module for use in forming a lining for a high temperature chamber. The module has a main body formed by a blanket of refractory fibers folded into pleats held compressed against one another by a pair of spaced apart tubular members traversing the opposite end portions of all except the two end layers and spaced inwardly near the cold face of the module. The ends of the tubular members are secured to the upright legs of respective L-shaped mounting members with the other legs thereof lying in a common plane generally parallel to the cold face of the module and anchorable to respective fastener studs securable to the wall of the chamber being insulated.

Abstract: A screen for separating and classifying smaller particles from larger particles of a particulate substance wherein the screen is of a planar configuration and made from a slab of synthetic material. The screen includes a plurality of spaced perforations formed by cutting the slab with a pressurized stream of fluid, which method of forming produces perforations of highly uniform configuration and dimensions, particularly when the slab is a composite comprising plural layers of different synthetic materials. The perforations are configured to compensate for foreshortening of their top openings and accelerated wear tendencies during use of the screen in an inclined disposition.

Abstract: A grass protecting walkway having a substantially flat elongated grid-like structure which defines a plurality of polygonal apertures is disclosed. The grid allocates its bottom and top planar surface areas approximately equally between the surface area of the apertures and the surface area of structured cross members.

Abstract: A machine and method to operate the machine to provide a plurality of valve-like perforations in the rubber-like backing of a nap mat or carpet by delivering the nap mat or carpet to and under a spiked roll. The machine includes a sensing device to ensure the leading and trailing edges of the nap mat are not perforated by the spiked roll.

Abstract: A laminate sheet of at least three layers including a perforated sheet layer, and flexible sheet layers laminated on both sides of the perforated sheet layer wherein:(a) said perforated sheet layer has a thickness of 0.006 to 1.0 mm and an aperture rate of 10 to 90%,(b) an adhesive layer is applied on only one of said flexible sheet layers and the other flexible sheet layer is bonded by the adhesive layer extending throughout said apertures, and(c) said two flexible sheet layers are bonded together through said perforated sheet layer by means of said adhesive layer over an area of 5 to 95% of the overall area.The perforated sheet layer is formed of a metal foil, paper, unwoven fabrics, cellophane, cloth, and uniaxially molecule-stretched thermoplastic triacetate film or a thermoplastic resin film.The apertures in the perforated sheet layer have a diameter of 0.5 to 25 mm.

Abstract: Intricate lightweight metal ornaments having an aesthetically pleasing laciness. Such ornaments are produced in a sequence of metal forming and coating steps utilizing an etching process to permit an almost infinite variety of designs to be produced without the use of dies or molds. A defined sequence of etches and partial etches of prescribed depths and dimensions into opposite sides of a metal sheet, typically brass, first produces a metal form of intricate edge and surface patterns that have qualities resembling the fine needlework of lace. To complete the decorative impression, the etched form is subsequently coated with a thin, adherent but flexible decorative layer that enhances the impression of laciness. The resulting ornament is intricate, pretty, easy to care for, durable, and can be bent without loss of the adherence of the coating.

Abstract: Plastics material mesh structures are made by providing a starting material having a pattern of primary holes or depressions and smaller secondary holes or depressions between the primary holes or depressions and stretching the plastics material to orientate the zones between adjacent holes or depressions to form orientated strands. A first stretch in a single direction produces intermediate structures having first mesh openings and smaller second mesh openings. A subsequent stretch at right angles to the first stretch produces structures having main orientated strands interconnected by shorter orientated strands arranged in such a way that only three strands meet at any junction.

Abstract: A nonwoven texturized fabric is produced by embossing a molten film of a polymer blend of high density polyethylene and polystyrene with hexagonal shaped bosses, biaxially stretching the thus embossed film to produce an openwork net and then texturizing the net with special texturizing rollers to flatten and deform some of the bosses and bend some of the bands at an angle to the plane of the fabric to produce an essentially irregular pattern of bosses connected by bands.

Abstract: There is disclosed a fabric made up of short conjugate fusible fibers and longer, base fibers. The conjugate fibers have an exposed low melting point component having a lower melting point than the remainder of said fibers and said base fibers. In the method of the present invention, a web of short conjugate fibers and longer base fibers is passed through an entangling mechanism where the short fusible fibers are concentrated and intertwined in heavily entangled knot areas. The entangled web is heated to thermobond at least the low melting point component of the conjugate fibers to each other and preferably to the surrounding base fibers to reinforce and strengthen the fabric.

Abstract: A mushroom shaped needlepoint canvas is formed as a hollow curved shell of perforated flexible plastic material, the canvas having a generally oval head part and a tapered stem or body part. This canvas is readily modifiable by shortening the bottom of the body part, attaching limbs as arms and legs, and joining pairs of canvases to form enclosed ellipsoidal shapes atop an enclosed truncated cone base.

Abstract: A reusable fixture for holding a segment of a flexible strip used in the fabrication of an integrated circuit device is provided. In the fixture there is provided a plurality of elongated movable cantilevered beam members which are movable from a first position to a second position for insertion and removal of a segment of a flexible strip therein and therefrom. The segment is held in the fixture by means of the free ends of the beam members which overlie the edges of the segment when the beam members are in their first position.

Abstract: Freeze-thaw stable stoneware tile is provided, which possesses in its tile body a multiplicity of pores having a pore diameter of 0.6 micron or more and exhibiting no substantial capillary action and a multiplicity of continuous micropores having a pore diameter of 0.3 micron or less and exhibiting substantial capillary action. The relatively coarse pores are communicated with the micropores, and the micropores are communicated with the outside of the tile body. The tile is produced by compressing a mixture of a mineral flux material having a specific particle range and a plastic mineral material into a molded article having a packing rate of 0.68 or more, and then baking the molded article to a temperature at which the mineral flux material fuses.

Abstract: An adhesive laminate, including a base web having a coating of pressure-sensitive adhesive and a backing removably adhered to the coating of adhesive for protecting and containing the adhesive, is described. The backing has one or more non-linear, discontinuous score lines formed, preferably, with a laser. A sine-wave, geometric pattern is also preferred. The non-linear, discontinuous score line enables a crack-and-peel feature to be introduced to the laminate backing.

Abstract: In a carpet having a through bore, the through bore is formed by fusion-cutting. A hem member is welded integrally to the areas of a napped portion and a base cloth at the circumferential edges of the through bore. This prevents the threads of the napped portion existing at the circumferential edges of the through bore from fraying and also keeps such areas from being stained with oil or the like. Also, a method of welding said hem member to said base cloth is disclosed which comprises: laminating a thermally weldable synthetic resin film for hemming on a carpet, punching out a through bore in the synthetic resin film by means of a high frequency wave, and at the same time welding the hem member integrally to the wall edges of said punched through-bore. The simultaneous operation--welding of the hem member and punching of the through bore--provides a carpet quite easy to form and less expensive.

Abstract: A water tight decorative molding comprising two elongate side strips joined by an outward facing intermediate elongate strip for sealing and protecting a joint formed by the intersection of two surfaces. A plurality of perforations extend from the outward facing intermediate strip into a cavity between the two elongate side strips, increasing the surface area to which caulking may bond. After a bead of caulking is applied to the intersection of the two surfaces, the molding is laid over the caulking and is then firmly pressed down along its entire length. By firmly pressing the molding to snugly fit between the surfaces, the caulking material fills the cavity between elongate side strips and the perforations, providing a water tight seal.

Abstract: A handle for a carrier bag comprising an elongated band of flexible material having a high tensile strength, said band having a pair of arm portions which extend to opposite ends of a bridge portion which extends therebetween, a mounting panel having a mounting face secured to said arm portions and said bridge so as to initially retain said arm portions and said bridge in a substantially coplanar relationship in which said arm portions extend in a first direction, said mounting panel projecting laterally from said arms so as to be mountable on a wall of a carrier bag to secure said band thereto in said coplanar relationship, said mounting panel being severable to release said bridge portion to permit movement thereof relative to said arms.

Abstract: A package for adhesive-surfaced sheet-like articles which may be delicate is formed by mounting the adhesive surface of the article onto a two-part release-surfaced carrier, one part of which supports the periphery of the article and the other part supporting the interior area of the article. With such a package, adhesive-surfaced sheet-like articles can be accurately placed onto an adherend without danger of contaminating the adhesive surface or allowing tearing, curling, or distortion of the article.

Abstract: Exchange-discharge bodies provided with reactive material, especially for ace-material concentration from large water masses. The exchange bodies comprise a mechanically stable outer contour, and have a fluid accessible reactive upper surface protected against mechanical access by adjacent bodies.

Abstract: An aquatic weed barrier is disclosed which comprises a film having a plurality of incisions therein. Each incision is shaped to form at least one flap adjacent the incision. The film has a light transmittance of less than 50% in the 200 to 650 nm wavelength range.

Abstract: A core material for a fiber reinforced plastic comprises a glass fiber mat composed of glass fiber bundles and having a bulk density of from 50 to 150 kg/m.sup.3 and a porous material filled in void spaces in the glass fiber mat. The porous material is composed of a mixture of a thermoplastic resin and a filler such as a hollow inorganic filler.The core material is prepared by impregnating a glass fiber mat composed of elongated glass fiber bundles, with a mixture of the filler and a dispersion of the thermoplastic resin in a dispersing medium and their evaporating the dispersing medium from the impregnated glass fiber mat.

Abstract: A floor mat construction of rubberized material including a base and feet of barbell-like configuration which extend integrally downwardly from the underside of the base for the support thereof in upwardly spaced relation on a supporting surface. A plurality of apertures the upper ends of which are of substantially hexagonal configuration, extend through the base to define a hexagonal honeycomb-like configuration in the upper portion thereof. The mat is lightweight but structurally efficient, the upper surfaces of the common walls between the hexagonal upper ends of the apertures providing durable scraping surfaces for a nonskid effect, and the feet firmly gripping the supporting surface therebeneath to resist creeping of the mat.

Abstract: A non-woven web made from melt blown microfibres which is formed or provided with apertures by, for example, hot needling or by passing the web between differentially speeded rolls. If the web is used for wiping, the apertures help to retain fluid and enhance the wiping properties for oil.

Abstract: A floor mat assembly is disclosed which is molded from resilient plastic material, and made up of only two different elements, mat modules and ramp strips. The mat module comprises a rectangular shape with two adjoining edges, each of the edges having an upper coupling edge flap with a row of downward directed projections, and two other adjoining edges, each of the other edges having a lower coupling edge flap with a row of vertical holes to couple with a row of projections on an upper coupling edge flap of a ramp strip or an adjoining mat module. The ramp strip comprises a tapered face with an upper coupling edge flap adjacent the tapered face, and a lower coupling edge flap joined by a severable link to the upper coupling edge flap, the lower coupling edge flap of the ramp strip to couple with an upper coupling edge flap of a mat module, and when the link is severed, the upper coupling edge flap of the ramp strip to couple with a lower coupling edge flap of a mat module.

Abstract: An integrated reticulate structure comprising interconnected criss-crossing arrays of continuous or discontinuous filaments. The arrays are located in different layers and are mutually connected by flexible, generally strip-shaped links. Each link is integral with a filament in one array and with a filament in another array.A method of manufacturing an integrated reticulate structure commencing by extruding a sheet in form of an adhesively connected assembly of one or more films and one or more arrays of ribs extending from at least one surface of each such film. To enable a formation of thin ribs and of a close spacing of the ribs there is preferably further coextruded a separating component between the ribs.

Abstract: A non-slip place mat is disclosed which comprises a web such as a paper sheet, and a composition coating comprising a blend of water, a water-soluble salt, a wax and a polymeric material, which both coats and impregnates the web, e.g. the paper sheet, whereby said sheet is rendered substantially hydrophobic and it and items placed on it are rendered substantially slip-resistant when resting on a tray or table which may be subject to sudden movement. The non-slip place mat is particularly useful for airline serving trays. The present place mat is characterized by the provision of a generally rectangular planar flexible web, which is indented along two opposed edges. The web is multi-layered, i.e. coated, and the four corners of the web are rounded off, so that each corner is defined by a curved periphery. A plurality of place mats in a roll and arrayed in tandem, i.e.

Abstract: A film of synthetic polymer is profiled with a pattern of thick and thin areas so that it can split on stretching into a net; additionally the thin areas are likewise profiled so that either the strands of main net split clearly apart or the orifices of main net are covered by an integral fine net arising from the minor profile. Profiles based on the intersection of sets of parallel grooves on opposite surfaces are preferred for both major and minor profiles.

Abstract: Electrical devices comprising a layer of a PTC conductive polymer and a sheet electrode in contact with each face of the PTC layer. The electrodes extend to the sides of the layer and the sides of the layer are concave, and this results in improved performance. Preferred devices are circuit control devices which protect a circuit from increases in current resulting from a fault.

Abstract: A floor covering such as a nap mat or carpet of washable type comprises a rubber or plastic back, wherein the nap or tufts is/are fastened in the back material. The floor covering has means for increasing the drain of liquid from the nap when the floor covering is subjected to the influence of a force, such as a pressing force, a centrifugal force, and/or a pressure difference between the front and rear side of the floor covering. This means may be a normally closed perforation of the back material and/or an intermediate tissue via which the nap is secured to the back material. Preferably the intermediate tissue is a non-woven material, mainly consisting of synthetic fibres having a weight of 100-300, preferably 250 g per m.sup.2, a fibre thickness of 5-30, preferably 8 decitex, and a tissue thickness of 1-5, preferably 2 mm. Thereby a nap mat or carpet is achieved having a short drying time and/or provides a small drying energy consumption after washing.

Abstract: A pollen collector for bees in which the entranceway into the hive is formed with a plurality of openings; the openings having a narrow lower portion through which the legs of the bees pass, and an enlarged upper portion through which the body and abdomen pass. As the legs pass through the narrow lower portion, contact is made with the entranceway and the pollen is rubbed off while the body of the bee freely passes through the enlarged upper section.

Abstract: A method of manufacturing a thin net by a polycondensation reaction is disclosed. One of the reactants is deposited upon a template and subsequently the second reactant is also deposited on the template. An embossed structure is obtained which can then be biaxially oriented to form a net sheet if desired.

Abstract: Packing consisting of a plurality of twisted strips stacked parallel to each other in an axially symmetrical arrangement. Twisting produces spirals rotating in the same sense. In addition, the strips are pleated to produce waves perpendicular to the axis of the spiral. When the packing is assembled from the spirals, the individual spirals are staggered in relation to each other to form continuous channels extending in straight lines in four axially symmetric directions. The axially symmetric directions are defined in that their projections in the horizontal plane form an angle of 90.degree. with each other and an angle .alpha. formed between the said axially symmetric directions and the axis of symmetry of the packing depends solely on the ratio of the widths of the spirals to their pitch.

Abstract: Apertured nonwoven fabrics prepared by hydraulic entanglement of polyethylene terephthalate staple fibers of ribbon cross-section have unusually high resistance to disentanglement when the aspect ratio of the fiber cross-section (i.e., ratio of major to minor axis) is in the range of 1.8 to 3.0.

Abstract: A laminated structure having a marginal area with gathered and ungathered portions which provide an improved fit about a portion of the human body, said laminated structure comprising an elastic member disposed between first and second substrates of flexible gatherable material, said elastic member comprising a plurality of longitudinally extending elastic elements with the elements transversely connected over a portion of their length to define apertures and an end portion of the member comprising only longitudinally extending elements and the first and second substrates of said laminated structure being secured together through at least some of said apertures.

Abstract: Foldable garment dryer for use with a conventional hand-held hair dryer comprises a flexible bag for holding the garment. The air intake of the bag is connected to the air outlet nozzle of the hair dryer, and the humid air is expelled out of the bag through an exhaust. A stand supports the hair dryer.

Abstract: A needlepoint sheet of flexible plastic material having a plurality of aligned rows of perforations for receiving thread-like material such as yarn therethrough. The sheet has at least one flat face which has pattern indicia imprinted directly on the flat face so that one may needlepoint a design in accordance with the pattern indicia or in accordance with instructions utilized in combination with the pattern indicia. The pattern indicia may take on the form of a pattern needlepoint design on the flat surface of the needlepoint sheet or it may consist of indicia on the border of the flat face at spaced intervals to assist one in locating specific perforations in the sheet for sewing a needlepoint design thereon. The side walls of each of the perforations are preferably in the form of a pyramid frustrum.

Abstract: There is disclosed a composite label web and method of making and method of applying labels. The composite label web comprises a longitudinally extending carrier web and label material releasably adhered by pressure sensitive adhesive to the carrier web. There are cuts extending across the label material at longitudinally spaced intervals to provide adjacent labels having complementary leading and trailing edges defining a forwardly projecting portion and a rearwardly projecting portion. In dispensing the label from the carrier web, the forwardly projecting portion is gradually delaminated. It is preferred that only a part of the rearwardly projecting portion of the leading label which has been dispensed to a label applying position remain adhered to the carrier web and that only a part of the forwardly projecting portion of the next successive label be delaminated from the carrier web.

Abstract: A molded sheet of expandable polystyrene material has a generally rectangular shape and a plurality of spaced, parallel openings extending therethrough. The openings are arranged in spaced, parallel rows. In a preferred embodiment, a plurality of cavities are molded into the surface of the sheet to minimize deformation during molding as the sheet cures. A stack of such sheets is placed in a single grid electric wire cutter having a plurality of spaced, parallel, hot wires, and the wires are simultaneously passed through the stack to cut each sheet into plural elongated members, the surface of each of the openings in any given row of openings being substantially bisected into two substantially semicylindrical portions by a respective one of the wires. The elongated members thus obtained are adapted for use in protectively supporting and spacing a plurality of rolls of material such as cellophane in a multi-layer stack for storage or shipping.

Abstract: Thermoplastic rubber containing minor amounts of olefin polymer is directly extrusion-formed into reticulated film.

Abstract: A relatively brittle sheet material, for example, a printed circuit board substrate, is subdivided into sections the boundaries of which are defined by apertures which permit the substrate to be fractured at the boundaries. Each aperture has side walls which intersect at points aligned along a separation line. Bending stresses are concentrated at the intersecting side walls to provide a clean straight fracture along the boundary.