Abstract: A method for tensioning a thin film on a support ring to achieve an optically flat membrane. The support ring is optically flat with a slight bevel at its outside edge where the membrane is epoxied to the support ring.
Abstract: A label applicator device receives a label from a label printer and applies the label to a package by means of a pressure-sensitive adhesive which coats one side of the label. The applicator device includes a label support means which receives a label with the adhesive coated side facing upward. The label support means includes a pair of fingers upon which the label rests. A label transfer nozzle is pivoted about a horizontal axis beneath the label support means into a first position in which it is received between the pair of fingers and engages the printed side of the label by means of a partial vacuum supplied through a vacuum port in the transfer nozzle. The transfer nozzle is then pivoted into a second position in which the adhesive coated side of the label is facing generally downward. The applicator device includes an applicator head which moves downward, removing the label from the transfer nozzle and pressing it into contact with the surface of a package.
Abstract: A method and apparatus for continuously and efficiently producing bouffant caps, the arrangement comprising a section for supporting and supplying a thin band-like material wound in roll form, a laying section for laying stretchable linear elements in stretched condition on opposite sides of the band-like material being continuously payed out from the supply section, a welding section for integrally attaching the laid stretchable linear elements to the band-like material, a zigzag folding section for widthwise zigzag folding the band-like material having said stretchable linear elements welded thereto, a fixed length seal section for welding at regular intervals the stretchable linear elements laid on the opposite sides of the zigzag folded material, and a cutter section for cutting the material at the middle of each weld region.
Abstract: In accordance with a preferred embodiment, a dielectrically embossed automotive seat cover assembly is formed by providing a laminate of a decorative cover material, a first, relatively thin, polyurethane foam layer that is dielectrically heatable and a second thicker polyurethane foam layer that is not dielectrically heatable, and thereafter impressing a desired embossment pattern into the upper polyurethane and dielectrically fusing said upper layer of polyurethane to bond the cover layer to the lower polyurethane layer, thus forming the embossed pattern in the laminate structure.
Abstract: A cutting tool, preferably in the form of a scalpel, microtome or razor blade is fabricated from single crystal material such as aluminum oxide with a preferential etching process to produce a radius of curvature less than 100 Angstroms on the edge. Depending upon the etchant, the crystallographic orientation of the blank and the resulting different etch rates on blade surfaces, the preferential etching process not only sharpens a preformed edge but also, in one embodiment, produces an opposing edge which meets the sharpened edge at a point, thereby to produce a particularly efficient scalpel blade configuration having two cutting edges converging at a point for plunging and cutting. With respect to the sharpening of the cutting edge, consistent with all other blade forming requirements, the subject blade is made to a maximum sharpness by utilizing a maximum ratio of bevel plane etch rate to edge plane etch rate.
Abstract: A large-scale printhead is made up of rows of styli patterned onto thin glass substrates sandwiched together between rugged support substrates, in which a series of thin glass substrate sections are internally butted one to the other. Fabrication of multiple rows of elements is accomplished by stacking the delicate styli-bearing substrates on an associated rugged substrate. In a preferred embodiment, all glass substrates are utilized, with the transparency of the glass permitting accurate alignment of the styli or nibs. The use of glass substrates also increases the wear resistance of the completed printhead. A specialized bus matrix permits reduction in the width of the substrates carrying the styli, with the bus structure being formed on a single side of the substrate carrying the styli, such that thru-holes need not be provided through the thin substrates.
Abstract: First, a decorative sheet is produced by forming in sequence on a base paper such as titanium paper an ordinary printed layer and a heat-foamable printed layer, respectively with desired patterns. The decorative sheet is then impregnated with a thermosetting resin liquid and dried. The dried impregnated decorative sheet is superposed on a substrate such as a core sheet, and the resulting laminated structure is sandwiched between a pair of heating plates and heated and pressed whereby a thermoset integral structure with the pattern of the foamable printed layer foamed is produced. The entire surface of the integral structure is coated with a solvent to swell the foamed pattern layer and then rubbed to remove the swollen foamed pattern layer and form concavities thereat. The resulting thermoset resin decorative sheet or plate is provided with deep distinct concavities coincident with the pattern of the heat-foamable printed layer as well as a good surface luster.
Abstract: Apparatus for splicing the trailing end of a web from an exhausted supply roll to the leading end of a web from a new supply roll comprises a cutting mechanism consisting of a cutter cylinder having a single cutter and a backing cylinder and serving to make a transverse severing cut through both superimposed webs passed between said cylinders, one of which is provided in a longitudinal strip- or sector-shaped portion with suction holes for retaining the leading end of the new web behind the severing cut. The apparatus also comprises a tape-applying cylinder, which is adapted to carry a tape which is adhesive on one side, and to apply the adhesive tape to the two webs at their abutting cut edges as they pass between the tape-applying cylinder.
Abstract: A membrane switch control panel arrangement and a label assembly for labeling same, for providing for in field applied identification of the control panel legend upon assembly of the switch, in which the control panel arrangement is of the keyboard switch type providing for touch sensitive switch actuation, with the control panel arrangement circuit board circuiting, membrane or touch sensitive switch components therefor, and the control panel legend sheet switch location indicia therefor being arranged in superposed modular group form, and columnarily arranged, spaced apart switch actuation and observation sets, which sets are disposed in spaced apart rows and extending crosswise of the panel in a columnar configuration, with the legend sheet being delineated to receive and have adhered thereto individual in field marked labels that are to bear the switch identification indicia of the adjacent switch location indicia row.
Abstract: Procedure for the manufacture of an artificial leg with a sleeve for the fixing of the artificial limb to the remaining part of the leg, in which the procedure embraces the manufacture of a positive model of the extremity which is used for forming the sleeve which is built into the artificial limb.The purpose of the invention is to facilitate individual adaptation concerning the form of the sleeve so that total surface contact is achieved against the leg, and also to reduce the manual work and the risk of failure.The invention is characterized by the sleeve being manufactured from an injection moulded standard sleeve of clear thermoplastic material with truncated conic form which forms an inner sleeve in the finished sleeve.
Abstract: A method for producing a metalized paper or board product having a bright surface and improved scratch resistance, comprises a transfer metalization technique utilizing a tie coat applied to the metal layer and a pressure-sensitive, adhesive coat applied to the tie coat, the adhesive coat binding the metalized composite to the paper or board base. The adhesive coat is applied to the paper or board base in the dry state and in combination with the adjacent tie coat, forms a hard, stable bond with the base that favorably withstands subsequent deformation of the paper or board product. A top coat utilizing a particular solvent mixture, offers consistent wettability of adhesive release coats, and provides a smooth, continuous outer surface for the final product.
Abstract: A method and system are disclosed for orienting a multilayer polymeric film structure by differentially heating different film layers thereof by dielectric heating and then molecular orienting the film layers at their respective optimal orientation temperatures.
Abstract: Apparatus is provided for making profiled bars for windows, doors and other frames. The profiled bars are profiled metal cores and profiled facings having angled side flanges. The apparatus includes a carrying frame, a conveyor line for handling the profiled metal cores, an adhesive-applying station in the carrying frame, tangentially extending feeders with conveying members for handling profiled facings to be applied to opposite sides of the profiled metal cores, which feeders are provided on the carrying frame behind the station in the direction of travel of the conveyor line and include spreading wedge assemblies for spreading angled side flanges beyond edges of side walls of the profiled metal core.
Abstract: A tread structure for pneumatic tires, especially for motor vehicles, having two circumferential ribs which include essentially rectangular blocks; these blocks are arranged sequentially one after the other in the circumferential direction of the tire, and are separated from each other by S-shaped fine slits. Several circumferential main grooves extend in a zig-zag manner in such a way as to form angles of 90.degree.. Respective separating grooves separate the tread from the sidewalls of the tire. Three main grooves are provided which enclose the two circumferential ribs of essentially rectangular blocks. The central main groove is located in the zenith portion of the tire; the outer main grooves are respectively connected with the adjacent separating grooves by transverse grooves which are disposed at a slight incline to the transverse direction. The tread profile depth is at most 5 mm.
Abstract: A rubber sheet bonding apparatus useable particularly in forming tires, for supplying an unvulcanized rubber sheet (11) to a forming drum (1) to bond it around the outer peripheral surface of the drum (1) and to form a joint at a portion along the periphery thereof so that the rubber sheet (11) is formed cylindrical, in which in order to prevent incomplete joints due to contraction of the rubber sheet (11), the front portion of the rubber sheet (11) is stretched by a given amount and after that, the rubber sheet (11) is supplied to the drum (1) and wound around a major portion of the entire periphery of the drum (1), and then the trailing rubber sheet portion is cut such that the trailing rubber sheet portion is equal in length to the remaining portion of the periphery of the drum.
Abstract: In a method for manufacturing a fiber reinforced article, a plurality of sheets of fibrous material (38 and 40) each having minute quantities of a thermoplastic adhesive (50) on a single surface thereof are laid up on a suitable form such that the adhesive of each sheet is disposed in contact with an adjacent preceding sheet or form. The sheets are tailored to the form and adhesively bonded to one another by activation of the adhesive with heat and pressure.
Abstract: In acoustic panels employing a layer of perforate metal adhesively bonded to a layer of porous fibrous metal of a different type with the perforations of the perforated layer and the pores of the porous fibrous layer open to communication therethrough and the layers being isolated therebetween. The isolation between the layers is maintained by applying a coating of liquid epoxy resin material to selected locations, curing the epoxy coating, cutting or drilling the layers as required, and recoating the cut or drilled areas with a second coating of liquid epoxy resin.
Abstract: An infeed or discharge star for transporting containers to a labeling or filling machine includes a rotating carrousel having a plurality of setting devices mounted in spaced apart relation adjacent its outer periphery. Each setting device comprises a member having rotatably mounted on the carrousel and having a plurality of arcuate surfaces formed in its outer margin. Each surface has a different radias of curvature for engaging containers of different sizes and means for locking the bodies with one of the surfaces selectively facing outwardly relative to the carrousel.
Abstract: The disclosure concerns a correction label applying device for a portable label printing machine, which is used to correct the characters printed on price tags. The correction label applying device is detachably secured to the body of the portable label printing machine. The price tag holding device of the label applying device is provided with adjusting means in which the positions of stoppers which receive the tip edge portion of an inserted price tag and the positions of a pair of guides which guide both the side edges of the inserted price tag can be changed. A leaf spring gives elastic force to the price tag holder.