Abstract: A tubelet panel of fabric face sheets and parallel, continuous film, partition strips normal to the face sheets and having their longitudinal edges fused into the fabric of the face sheets is formed by thermal fusion by applying heat and pressure to the outer surfaces of the face sheets in the regions in registry with the partition edges. The partition material is chosen to have a lower melting temperature than the face sheet material and the applied heat is at a temperature above the melting temperature of the partition material and below the melting temperature of the face sheet material.

Abstract: The single crystal wafer of lithium tantalate provided by the invention is characterized by the limited range of variation of the value of double refraction which should not exceed .+-.6.times.10.sup.-4 so that the value of the double refraction is given by 4.5.times.10.sup.-3 .+-.6.times.10.sup.-4. When single crystal wafers of lithium tantalate each satisfying the above requirements are used for the manufacture of SAW devices, the devices may have a very small deviation of the SAW sound velocity from the standard value and the range of variation of the SAW sound velocity within a wafer is also very small so that the SAW devices can be manufactured with greatly improved productivity and excellent quality.

Abstract: The invention is generally accomplished by providing a roll having cavities suitable for retaining small quantities of particulate material. The roll further is adapted to be rotated such that the particulate material is deposited onto a web in discrete areas. These areas correspond to the depressions on the roll. The apparatus and method of the invention further provides in its preferred form a roll applicator device for adhesive having a series of lands and valleys wherein the lands correspond to the areas between the discrete particulate material. The applicator roll provides adhesive on the land areas that is transferred to a web of material which is brought into contact with the substrate bearing the discrete deposits of particulate material and sealed thereto. There is thereby provided areas of discrete particulate material securely separated by the adhesive connected webs.

Abstract: Method and apparatus for applying leg elastic to an elongated moving web adapted to provide a sequence of diapers wherein adhesive is continuously applied by a first air nozzle and shifted intermittently by means of a second air nozzle angularly related to the first air nozzle.

Abstract: A method for making drip irrigation lines comprises feeding an elongated sheet of flexible polyethylene film to an injection molding machine for injection molding a series of drippers across a face of the film. A moldable thermoplastic material is injected into multiple die cavities, forming separate drippers each simultaneously heat-bonded to the film. Each dripper has a molded labyrinthine flow-restricting passage extending along it. The mold is opened, the film is advanced, and further series of drippers are injection molded across the face of the film. The previously molded set of drippers are closed off by heat sealing a separate strip of flexible film to a face of each molded dripper to form sealed internal pressure-reducing labyrinthine passages in the drippers. An inlet opens into one end of the sealed internal passage and an outlet opens from the opposite end through the film. The outlet is formed and reinforced during the molding process.

Abstract: Multilayer labels may be manufactured by providing at least one continuous web with adhesive applied at least to spaced leaflet site portions of one face thereof. One applies leaflet members to the spaced leaflet site portions, followed by pressing the leaflet members and web together to adhere the leaflet members to the web. Thereafter, one cuts the continuous web to provide a plurality of separate, leaflet-carrying labels.

Abstract: Apparatus for producing a succession of self-adhesive labels carried on a backing of release material, the apparatus comprising means for conveying along a pathway a laminar material comprising a web coated on its reverse side with a pressure sensitive adhesive and having a backing of a release material; detecting means situated along the pathway for detecting a succession of particular locations which are spaced along the length of the laminar material; an adhesive applying station situated along the pathway and including an adhesive applicator, which is operable in response to the means for detecting, for applying a layer of adhesive to a succession of particular areas along the length of the web; a label applying station situated along the pathway downstream of the adhesive applying station, the label applying station including label applying means for successively applying individual pre-printed labels to respective successive areas of adhesive so that a pre-printed label covers each area of the web to wh

Abstract: A disposable diaper provided with elastic members respectively comprising a plurality of rubber strings in respective side flaps of the diaper so that these elastic members provide a plurality of longitudinally extending elastic lines in said side flaps to provide a good fit of said side flaps around infant's thighs.

Abstract: A scrap-less taping system for IC lead-frames includes two tape supplies fed to a web of formed lead-frames. Right-angled segments of tape are cut from the strip of tape and applied to two adjacent sides of the leads of the lead-frames.

Abstract: A fabrication method for a disposable article and a disposable article for absorbing liquids.This method consists in cutting an impermeable foil (35) so as to form two strips (35a) and (35b) in the median zone of said foil along a tracing of a sequence of equal straight-line segments parallel to the longitudinal axis of the foil and staggered alternatingly on either side of said axis. The strip (35a) is laterally shifted by a distance slightly less than the distance between the segments located on either side of the axis XX'. The strip (35b) follows a path which is longer than that of the strip (35a) by the repeat of the cut-out. The strips (35a) and (35b) then are deposited on the absorbing portions (34) in such a manner that the permeable zone is located in the central region of said portion.The obtained sheath is cut into individual articles.

Abstract: Apparatus for securing together rectangular-section cartons (13) in groups of, for example, five cartons comprises tape dispensers (14,14') for dispensing adhesive tape (15a,b,c) on to the tops and bottoms of cartons in a row of cartons, and perforating rollers containing pins (21) for perforating the tape with spaced rows of perforations arranged to be located between adjacent cartons, each fifth row containing more perforations and means for breaking the tape at each fifth row to separate the cartons into batches of five.

Abstract: A method for laminating a composite assembly having outer films of plastic to provide such a composite assembly without appreciable transverse curl. The method includes the steps of preparing two oppositely facing outer films which may be of bi-axially oriented plastic. Each film may have an outer layer of a tough abrasion resistant material and an inner layer of thermoplastic bonding resin. In one embodiment, a portion of the inner layer of thermoplastic bonding resin may be coated with a strip of electrically conductive material. The inner layers of thermoplastic bonding resins are heated and the films are brought together in a common plane. In one embodiment, a central core is inserted between the converging films at spaced intervals. The outer films and the central core are laminated by passing them between first and second pairs of pressure rolls. The first and second pairs of pressure rolls are tilted at equal and opposite angles to the plane of the films.

Abstract: A method of producing a disposable diaper or other article including an elastically contractible element such as a waistband which undergoes a joint severance operation with one or more of the layers comprising the article, yet which, upon the application of an external stimulus such as heat, will return to its molecularly unoriented, heat stable state and thereby impart both shirring and elasticization to the severed edge of the article in a direction substantially parallel to the overall orientation of the line of severance. Particularly preferred articles made utilizing said method are also disclosed.

Abstract: Here is disclosed method for attaching elastic band to sanitary articles such as disposable diapers. The elastic band is cut into predetermined lengths which are then intermittently attached by adhesive to a web forming said articles. Said elastic band is severed on a surface of a rotary suction drum so that the respective lengths thus severed and isolated may be intermittently attached to said web. Said elastic band may comprise a plurality of relatively narrow or fine rubber strands. Particularly in such a case, said elastic band is attached to a support tape wider than said elastic band and having high flexibility before cutting so that these rubber strands may be reliably held on the surface of said suction drum.

Abstract: Method and apparatus for applying stretched elastic segments to a web as for a diaper waistband and the like which include advancing a stretched continuous elastic ribbon, gripping the ribbon at two pairs of points, severing the ribbon between the gripped pairs to provide a stretched segment and advancing the ribbon segment in planetary fashion to unite the same to a continuous web.

Abstract: A method of producing a succession of lithographically-printed self-adhesive labels on a length of release backing material, which method comprises the steps of:(a) producing by lithographic printing a plurality of sheets carrying a desired image,(b) adhering each of the lithographically-printed sheets successively to a support web comprising a self-adhesive backed material carried on a release material, the printed sheets being adhered to the upper surface of the adhesive backed material,(c) cutting through the adhered lithographic sheets and through the adhesive-backed material as far as the release material thereby to form the required labels, and(d) removing the unwanted portions of the printed sheets and the adhesive-backed material adhered thereto from the release material.

Abstract: A disposable diaper having improved fit about the legs and/or waist of the wearer and having reinforced corners for enhanced securement of the diaper about the wearer is disclosed. Improved fit and reinforcement are obtained by an elongated, inherently elastic ribbon member positioned along at least one margin of the diaper. The ribbon member is secured to the diaper so as to provide an elastic region at a central portion of the margin and a unitary, relatively inelastic reinforced region in a corner portion of the diaper.

Abstract: In a process and apparatus for the fibers of composite building panels, bars are laid against a rotating drum, parallel to each other and close together. Parallel threads or wires which extend in the direction of the drum periphery are then would around the outside of the bars, in a stressed condition, whereby the bars being transported by the drum are pressed against the peripheral surface thereof. The bars are connected by a hardenable binding agent to fibres and a thin sheet of suitable material which move with the drum, and the binding agent is caused to harden, thereby forming a first strip on the drum. The first strip is then brought into a condition of extending parallel to a second strip produced in the same manner, with an adhesive between the two strips. The two strips are then passed through a pair of rollers which press the assembly together, thereby forming an elongate panel configuration.

Abstract: A method of diaper manufacture whereby adhesive is applied directly to the moisture impervious web for attachment thereto of elastic ribbons to make a shirred diaper.

Abstract: Method and apparatus for continuously attaching an elastic member to discrete portions of a moving web to impart an elasticized character to predetermined portions of the web while preserving the inelastic character of the other portions of the web.

Abstract: In a process for laminating a photosensitive layer to a aluminum or copper substrate surface by means of nip rolls, the improvement comprising the sequential steps of:(a) rendering the substrate surface clean, as defined by the uniform water film test;(b) within about 1 minute after rendering the substrate clean and immediately prior to lamination, applying a thin layer of liquid to form an interface between the substrate surface and the photosensitive layer;(c) displacing the thin layer of liquid from the interface by absorption into the photosensitive layer during lamination, and(d) within 30 seconds after lamination, removing the support for the photosensitive layer without delamination of the photosensitive layer from the substrate by bending the support back along a longitudinal axis of the photosensitive layer.

Abstract: A composite in-store coupon preferably comprises a base sheet with adhesive for securing the sheet to a product, and a top sheet comprising, in part, a removable in-store coupon. The top sheet has side portions permanently secured to the underlying base sheet and a central coupon portion free of said base sheet and detachably secured to and between said side portions. The central coupon portion is printed on one or both sides and is removable to provide an in-store coupon.

Abstract: This invention relates to a continuous method for making electrical heating mats suitable for installation on room floors, walls and ceilings, which method includes the steps of cutting transverse cuts in a longitudinal composite metal/plastic foil material (2) and stretching the foil in a controlled way in order to provide a meander pattern of electrical resistance strip material, the method also including steps of making unit length mats with predetermined ohmic resistance and steps of providing terminations.

Abstract: A laminated insulating and packaging material comprised of a metal foil sheet bonded to a non-woven glass fiber paper-like sheet by a latex adhesive which resulting laminate in certain embodiments is bonded to corrugated cardboard to make fire-retardant packaging material.

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: Methods, the products produced thereby, and apparatus for forming conformable garments having selected discrete elasticized areas. More specifically, methods and apparatus for stretching one or more ribbons of thermoplastic elastomeric material, immobilizing the stretched material in its extended state, subjecting spaced discrete areas of the stretched material to heat so as to "kill" the elastic properties thereof in the heated regions while leaving the elastic properties of the intermediate unheated regions thereof unaltered and bonding the alternate elasticized and non-elasticized zones of the elastic ribbon to a continuous web suitable for use in forming a plurality of interconnected, but severable, like conformable garments having selected discrete elasticized areas on a high speed production basis. In the preferred form of the invention, the conformable garment thus formed comprises a disposable diaper product.

Abstract: Defects in the coating of webs with aqueous solutions of hydrophilic colloids traceable to the effects of web splices are reduced. The webs are butt-joined by a splicing tape applied to their back side and are provided with a hydrophobic coating over their front side at the splicing region. The invention is particularly advantageous in the manufacture of photographic material.

Abstract: A flexible carpet web having a plurality of spaced apart pressure sensitive adhesive segments disposed in a patterned relationship on the backing thereof, and in which the same are preferably patterned according to certain given parameters involving the relation of the total area of the adhesive segments to the weight and/or the area of the carpet web, the spacing between adhesive segment centers as related to the area of the adhesive segments, and/or the spacing apart of the adhesive segments in relation to the configuration thereof; and a method of manufacture of a carpet web having adhesive segments applied to the backing thereof for facile installation thereof.

Abstract: In abstract a preferred embodiment of the present invention is a weighted device which is suitable for wearing about the body and appendages to build strength and for related purposes. The weighted devices of the present invention are preferably constructed of a plurality of elongated weights interconnected in spaced relation to each other and are encapsulated in a closed cell material with a soft vinyl coating which gives flexibility without bulging and eliminates bunching or shifting of the weights during violent exercises and movements.

Abstract: A landscape blanket to be used as ground cover in which particles such as crushed stone, marble chips and the like are arranged in a substantially single layer and are held together to form a blanket by sheets of transparent plastic material which conform to the shape of the particles and are bonded thereto without the use of adhesive. The plastic sheets are bonded to the particles by forcing them into contact with the particles while the plastic sheets are in a softened condition.

Abstract: A method of manufacturing articles of softened polyvinyl choride reinforced with a reinforcement material. The method includes the steps of coating one surface of each of two perforated polyvinyl chloride foils with a terpolymer of vinyl chloride, vinyl acetate and an unsaturated carboxylic acid bringing the coated surface of each of the foils into contact with an opposite surface of said reinforcement material, sealing the portions of the foils situated along the edges of the reinforcement material in a high frequency field to form sealed seams and pressing the foils and interposed reinforcing material at an elevated temperature and pressure to secure the foils to the reinforcement material.

Abstract: A landscape blanket to be used as ground cover in which particles such as crushed stone, marble chips and the like are arranged in a substantially single layer and are held together to form a blanket by sheets of transparent plastic material which conform to the shape of the particles and are bonded thereto without the use of adhesive. The plastic sheets are bonded to the particles by forcing them into contact with the particles while the plastic sheets are in a softened condition.

Abstract: A method of bonding a fluid-porous, fibrous, woven or non-woven web to a substrate and products made thereby. The porous web is overall or pattern coated with an extremely low level of hot-melt adhesive by causing the hot-melt adhesive to be wiped from a controlled thickness hot-melt adhesive source by the individual projecting surface fibers and fiber junctions of the porous web. Hot-melt adhesive globules are formed on the individual projecting surface fibers and fiber junctions which, when the porous web and substrate are passed through a preset clearance nip roll assembly, provide a product wherein the porous web is bonded to the substrate with excellent bond strength, the porous web remaining flexible and completely transparent to fluid transmission.

Abstract: A pressure switch and method of manufacture wherein a resiliently yieldable intermediate open layer is sandwiched between flexible conductive layers, all of which is enclosed between flexible outer layers, so that in the unstressed or relatively unstressed condition the contact layers are spaced apart by the intermediate layer, while flexure or other sufficient stressing of the assembly effects contact of the contact layers through the open intermediate layer.

Abstract: The invention provides a method of making a filter for use in venting a colostomy or ileostomy bag. An assembly comprising a first sheet of a gas permeable and water impermeable material, a second sheet of material which is gas permeable or is rendered gas permeable by the provision of at least one aperture therethrough, and a sheet of carbon cloth between the first and second sheets is fed to a sealing station. In the sealing station the assembly of sheets is sealed together, preferably heat sealed by a weld extending through the periphery of the carbon cloth, to form a filter comprising two pieces of the above mentioned first and second sheets with a piece of the carbon cloth sealed therebetween. The filter is then removed from the remainder of the assembly.

Abstract: In production of a credit card or other magnetically encodable articles, a thermoplastic surface laminate layer is thermally tacked to a core stock layer and a magnetically encodable stripe is printed, for example, silk screened, on the laminate-core stock assembly. The resulting assembly is laminated to provide a smooth magnetic stripe having minimal distortion.

Abstract: In a preferred embodiment, a continuous elastic ribbon is fed to a diaper web assembly station in a stretched condition. While traveling to the assembly station, an adhesive is applied to discrete lengths of the elastic ribbon at regularly spaced intervals. Simultaneously, discrete absorbent core segments as well as webs of moisture-impervious backsheet material and moisture-pervious topsheet material are fed to the diaper web assembly station. At the station, the stretched elastic ribbon is adhered to the moisture-impervious backsheet web in the discrete areas of the elastic which are covered by adhesive at predetermined points along the length of said web. After the adhesive has set up, the assembled web and the elastic contained therein is severed in its unadhered areas, whereupon the unadhered end portions become relaxed and inactive without affecting the functionality of the adhered portions in the ultimate assemblage.

Abstract: A method and apparatus for producing a sheet molding composite are provided. The sheet molding composite consists of two outer sheets of plastic material between which is sandwiched a moldable material or compound containing fiber-reinforced resin. The resin-containing material is maintained in a deformable, flexible state until it is placed in a mold and subjected to heat, at which time it is cured in the shape of the final molded product. The molding composite is made by depositing a layer of a pre-blended resin-containing material on the upper surface of one of the sheets of plastic material and by then depositing a layer of randomly disposed glass fibers onto this first layer. A second layer of preblended resin-containing material from the same source is also deposited on an upper surface of a second of the plastic sheets.

Abstract: An improved method and article are provided for cryogenic construction and the article is particularly useful when employed with the spiral generation method of applying insulation. An insulating member is provided having a face member having an elongate cross-section and a plurality of backing members also of elongate cross-section adhered to a face of the backing member. Fracturing of the insulation on temperature cycling is substantially reduced.

Abstract: An endless multi-layer composite is provided for subsequent processing into articles on a mass production, continuous basis.