Abstract: A method of applying a line-shaped opening in a coating on a plastics foil, in which a part 3 having a pointed end is moved according to a line 4 in contact with the coating 2, while the temperature of the part 3 lies in the melting range of the foil 1 and the pressure exerted on the part 3 together with the rate of movement of the part 3 is such that the coating 2 with a portion of the subjacent foil 1, considered in thickness direction, is cut through according to the line 4.
Abstract: A machine for manufacturing plastic bottles by fitting round-bottomed hollow bodies of plastic material to flat-bottomed heels or base cups of similar material comprises a turntable forming a multiplicity of peripherally equispaced seats at a lower level and a like number of outwardly open radial recesses or pockets aligned therewith at an upper level. The hollow bodies are entrained by a conveyor from a blow-molding unit, in which they are produced, on a shelf which enters the turntable generally tangentially between the two levels and continues along a fraction of its periphery to a point just beyond a feeding station at which the separately produced heels are successively deposited on seats passing below the shelf. The hollow bodies, introduced by the conveyor into respective pockets above the shelf, then descend onto the underlying heels which are coated with a bonding agent such as a plastic melt.
Abstract: An apparatus for producing paper tubes assembly for nursing seedlings in which pasted, cut pieces are transferred, piled and stuck together, the apparatus includes paste supplying mean which intermittently supplying to a flattened hollow paper tube or paper tape by means of cam mechanism, suction conveyer device conveying cut pieces cut from said flattened hollow tube or said paper tape and rotary transfer means which opposed arms are radically mounted around two rotary discs respectively, non-rotary carrier table and rotary carrier table simultaneously rotate with said arm revolution are supported between edge of said opposed arms on every other one said arm, said non-rotary and rotary carrier table keep horizontal while said arms revolute.
Abstract: A method for manufacturing laminated skis wherein the molds in which the skis are built are vacuum wrapped with a plastic film prior to the placement of the ski components in the molds. The adhesive-coated ski components are then placed in the vacuum-wrapped molds in proper fashion. The mold-component assembly is then placed in a press when the ski is formed under pressure and heated so as to set the adhesive. The ski is then stripped off of the mold, the plastic wrap adhering to the ski and leaving behind a clean mold. The plastic wrap is then removed from the ski.
Type:
Grant
Filed:
February 7, 1979
Date of Patent:
September 16, 1980
Assignee:
Olin Corporation
Inventors:
Charles R. Hale, Vincent E. Toloczko, Robert C. Gammons, Frederick J. Eckert, John J. Muller
Abstract: A device for connecting steel cord web sections, consisting of steel cord webs having steel threads disposed in a longitudinal direction, to form a steel cord web with steel threads disposed at an angle to the longitudinal direction of the original steel cord web. This device comprises a conveyor belt means having a plurality of narrow belts for feeding the steel cord web sections and retaining means for clamping the seam portions of the steel cord web sections to be connected. Also included are means for bringing together and joining, at a connecting point, the connection faces of the seam portions of the steel cord sections to be connected.The improvement of this invention lies in the conveyor belt means comprising an incoming conveyor belt having an upper section extending beneath the connection point and an outgoing conveyor belt having a plurality of narrow belts spaced with respect to one another for advancing the steel cord web which is produced.
Abstract: A method of making a laminate from a fibrous paper layer laminated to a face sheet and usually used in making labels, which method comprises obtaining a paper backing layer that has one face surface and a second surface which is porous, which paper layer preferably has a moisture content of between about 3.5 and 7.0 percent by weight, forming score lines in the second surface of the paper backing layer while supporting the layer from its said one face surface, then applying a liquid release layer to the face surface of the backing paper, drying; and, providing adhesive and face sheet layers on the release coated paper to complete the laminate.
Abstract: A press for pressing assemblies or panels of multiple flat sheets or discs of insulating glass, has at least two pairs of upper and lower press members between which the panels are conveyed, and switches are disposed in the path of the panels to cause timed operation of the press members to sequentially press the leading, side and trailing edges of the panels as they pass between the upper and lower press members. Sensors are arranged in the path of the panels to detect the width of the panels and adjust the pressure exerted by the press members to prevent damage to narrow panels.
Abstract: A device for automatically transferring an adhesive film having adhesive on both faces thereof from a roll of adhesive tape to an article. The device has a frame having a pair of support plates and a roll support shaft provided therebetween on which a roll of the adhesive tape is mounted, the tape roll including a rolled adhesive film having pressure sensitive adhesive on both faces thereof and a rolled removable spacer tape disposed between the adjacent turns of the adhesive film. The roll of adhesive tape is so arranged that the lower adhesive face protrudes beyond the lower edge of the frame. A device to feed the removed spacer tape out of the device is provided at the top of the frame. This feeding device can be a pair of pieces having an opening provided therebetween so as to guide the removed spacer tape out of the device after its removal from the adhesive film.
Abstract: Apparatus is disclosed for making bondable finger contacts (101) for application to printed circuit boards. The finger contacts are formed from a thin strip (102) of electrically conductive material. Following the application of a thin layer of contact metal (201) to the contact area, a strip of adhesive tape (109) is applied to the plated side of the contacts to protect the contacts, to interconnect and support them during subsequent handling, and to provide a compliant surface which aids in the application of the contacts to a circuit board. On an opposite side of the contacts there is applied a thermally curable adhesive (301) which, when brought into pressure contact with the circuit board and a moderate amount of heat is applied, will fasten the contacts to the board.
Type:
Grant
Filed:
July 11, 1979
Date of Patent:
August 5, 1980
Assignee:
Bell Telephone Laboratories, Incorporated
Inventors:
Vernon L. Brown, Wade H. Greenwood, Gary L. Griffith
Abstract: A foil applicator is provided having a base incorporating a platform with a planar work surface. The platform includes an entrance and an exit end with the exit end terminating in a smoothly curved surface extending from the plane of the work surface to form a smoothly rounded surface at the platform exit. A pair of spaced apart work piece guide arms are attached at the entrance end of the platform to the base and are movable toward and away from each other. The guide arms are spring biased toward one another to urge the guide arms into gripping contact with a work piece positioned in the channel formed by the guide arms and planar work surface.
Abstract: The method for bonding a plastic tubing to a metal needle includes the steps of coating the inner end of the needle with a cement, inserting the coated inner end of the needle within the outer end portion of a plastic tubing and applying a radiofrequency current across the plastic tubing around the inner end of the needle to heat seal the plastic tubing to the inner end of the needle.
Abstract: The invention relates to a wallpaper applicator by means of which wallpaper can be fed on to a wall and adhered thereto with the assistance of one or more rollers rotatably mounted on the applicator. The applicator can be adapted to single-handed operation and can incorporate a water tank so that ready-pasted wallpaper can be soaked in the applicator immediately before being applied to a wall.
Abstract: A machine for repetitively performing processing steps at spaced points on a moving strip of paper includes apparatus for timing the repetition of the processing steps. The timing apparatus consists of two generally circular cam plates, adjustably mounted co-axially on an end of a processing roller. The cam plates are adjustably rotatable with respect to each other around the axis of rotation of the processing drum to adjustably vary the angular displacement of the cam lobe surfaces of each plate to the other. Cam follower means are provided which are responsive to the combined effective length of the superimposed cam lobe surfaces. The cam follower means actuates the processing apparatus which performs the repetitive steps on the paper passing onto and partially around the processing drum.
Abstract: A displacement device in a thermoplastic web welding apparatus withdraws the leading edge of the web from the welding apparatus during pauses in feeding and/or production to prevent melting and sticking of the leading edge.
Abstract: In a labeling machine including means for supplying labels to a pickup element supplied with adhesive, which element transfers the labels to a gripping cylinder, the improvement wherein such pickup element has a smooth convex take-up surface composed of a plurality of first areas spaced form one another by second areas, the first areas exhibiting good adhesion properties and the second areas being relatively non-adherent, whereby when an adhesive is applied to said surface it lays substantially exclusively on the good adhering areas while leaving the non-adherent areas substantially free of adhesive, whereby less adhesive is required. The adherent areas may be metal and the non-adherent areas polytetrafluoroethylene provided in recesses in the metal, the non-adherent areas being in the form of circles or stripes.
Abstract: A roofing material handling and sealing machine and method for installing partially-overlapping heat-sealable roll roofing material and the like. The machine consists of a frame having two spaced apart front wheels and one rear wheel, a heating element mounted to the frame and positioned on the underside thereof, and a lifting foot also mounted to the frame and positioned foward of the heating element. In operation, the two front wheels straddle the joint formed by the overlapping edge portions of two laid sheets of the roll roofing material, with the rear wheel pressing against the overlapping joint.
Abstract: A high-yield, low-cost technique for converting balsa wood logs into thin, flat sheets usable in model-making. In this technique, the log is first debarked and then cut to a standard bolt length. The bolt is supported for rotation in a veneer lathe which acts to peel off in spiral form a continuous web of balsa veneer. After kiln drying, dried sheets taken from this web are clipped to a usable width, the sheets at this point having a curvature as a result of their spiral memory. Then the sheets are assembled into matching pairs of opposing curvatures, each pair of sheets being laminated together in face-to-face relation to produce a two-ply flat sheet whose planarity, upon exposure, is immune to changes in relative humidity and temperature.
Abstract: Method and apparatus are disclosed having particular utility in connection with packages overwrapped with heat shrinkable film and which include a tear-tab opening. The apparatus includes means to sever the film and tape together by the use of a cutting tool. The cutter is generally pen-shaped, the nib portion forming the cutting surface. Other parts of the apparatus include a tab roller which provides variable control capability to allow the tab to be positioned at a pre-selected place on the package. The tear tape tab produced by the apparatus and method of this invention eliminates the need for melt re-inforcing and is applicable to high speed operations of either the continuous or reciprocating kind.
Abstract: Pipe wrapping apparatus, having one or more pipe wrapping tape spindles with each of which is associated a take up spindle onto which tape backing is wound after the backing has been stripped from the tape as the tape is wound onto the pipe.