Patents Examined by Dorsey Newton
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Patent number: 3994256Abstract: A holder for a pair of reversible fluid dispensers comprises a prismatic body that is symmetrical about three mutually perpendicular axes. A holder and pair of dispensers can thus be assembled to serve as a fluid dispensing assembly for either the left or right margins of sheet material passed adjacent thereto in a plane to intercept and actuate the dispenser nozzles. As embodied in a hot glue dispenser, the holder body includes two sets of fluid passages and of heating element and heat sensor and control mounting cavities that are symmetrically disposed about the three axes. Each multiple dispenser assembly is supported by a bracket assembly that incorporates a means to adjust the dispenser assembly angularly relative to the direction of the materials being passed through the machine whereby to vary, as desired, the spacing between the pair of applicator nozzles.Type: GrantFiled: June 9, 1975Date of Patent: November 30, 1976Inventor: Lenard E. Moen
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Patent number: 3992754Abstract: Method for cleaning fibrous vegetable materials to remove trash components (such as coarse sand, stones, rocks, metallic particles, shives, dirt and the like).Type: GrantFiled: February 5, 1975Date of Patent: November 23, 1976Assignee: Process Evaluation and Development CorporationInventors: John T. McCloskey, Eduardo J. Villavicencio
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Patent number: 3992755Abstract: In apparatus for stripping a fibrous web from the doffer of a carding machine, provision is made for pneumatically assisting the dragging rollers to remove web from the stripping roller. This is achieved by directing air impulses towards a dragging roller from within the stripping roller. An air chamber within the stripping roller is arranged such that the impulses are directed in a predetermined direction, as apertures in the stripping roller register therewith. Carding cloth covering the stripping roller has appropriately, toothed, stepped windings.Type: GrantFiled: November 13, 1974Date of Patent: November 23, 1976Inventor: Ettore Bonalumi
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Patent number: 3992753Abstract: Apparatus for defibering sheaths of fibrous material, particularly sheaths of abaca, in which the sheaths are transported sideways along a predetermined path by being gripped at opposite ends between the lower run and the upper run of an upper and a lower endless conveyor of a plurality of conveyor means which are so arranged with respect to each other that the sheaths while passing over portions of stripping blades extending transverse to the path are gripped at least at one end thereof, and conveyor means for use in such apparatus which comprise a plurality of adjacent pulleys along the lower run of the upper conveyor, a plurality of adjacent pulleys along the upper run of the lower conveyor, turnable about parallel axes offset in direction of the path with respect to the axes of the pulleys of the upper conveyor, in which each of the pulleys is formed with a plurality of circumferential grooves in which endless flexible means are located which engage and grip the sheaths for transporting the same.Type: GrantFiled: January 23, 1975Date of Patent: November 23, 1976Inventors: Juan T. Villanueva, Jesus T. Villanueva
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Patent number: 3991443Abstract: A freely-rotatable fluted roll compressively engages the sliver projecting upwardly from a sliver can as such can is doffed from a textile sliver coiling apparatus. The roll exerts compressive and snubbing forces upon the sliver strand extending between the sliver can and the coiler head of the apparatus, causing separation of such strand during and in response to the can changing movement of the can away from the coiler head. Also disclosed are a preferred design of, and a preferred mounting arrangement for a sliver-separating roll usable for the foregoing purpose.Type: GrantFiled: June 23, 1975Date of Patent: November 16, 1976Assignee: Platt Saco Lowell CorporationInventor: Richard J. Savageau
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Patent number: 3991442Abstract: A roller gin is most effectively used for processing fine-stapled cottons.The roller gin comprises a ginning roller, a sectional knife urged against the surface thereof and actuated by a vibrator so that the sections of the knife are oscillating in anti-phase, and a stripping organ also made sectional and provided with vanes, the vanes of the changeable sections being turned through an angle sufficient for each vane to cooperate with an appropriate section of the knife and the stripping organ being rigidly coupled to the vibrator through a gearing ratio multiple of the number of the vanes in each section.Such a roller gin increases the efficiency of ginning, enhances the quality thereof and makes it possible to handle any class of cotton irrespective of the degree of attachment of the fibers to the seeds.Type: GrantFiled: March 3, 1975Date of Patent: November 16, 1976Inventors: Georgy Ivanovich Miroshnichenko, Rostislav Vasilievich Korabelnikov, Danir Yakubov, Pavel Nikolaevich Tjutin
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Patent number: 3990391Abstract: A device for pressure fixing powder images utilizing a pair of rollers in pressure contact and in skewed relationship, each of the rollers formed with a solid shaft or core encased in a tubular metal casing and including an elastomeric collar that fits into a recess formed by circumferentially cutting out portions at the ends of the shaft and the casing and supports the shaft at its ends inside the casing providing an annular air space between the shaft and the inside casing wall. The shaft ends are received in conventional bearings and under high compressive loads the shaft deflection is much greater than the deflection in the casing because of this elastomeric collar permitting much smaller skewing angles, particularly for rolls that exceed 10 inches in length.Type: GrantFiled: March 19, 1975Date of Patent: November 9, 1976Assignee: Addressograph Multigraph CorporationInventor: Jagmohan Singh
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Patent number: 3988807Abstract: Herein disclosed is an improved tooth structure adapted for those paired control rollers of a rotary drafting apparatus, which are positioned adjacent to the paired front or drafting rollers of the drafting apparatus. The tooth structure has each of its teeth so contoured that the angle contained in the back or trailing side between the front or leading-side face of the tooth and the tangent, which is taken in the backward direction from the leading edge of the particular tooth to the dedendum circle of the control roller where the tooth is formed, is preset equal to or larger than a right angle.Type: GrantFiled: January 13, 1975Date of Patent: November 2, 1976Assignees: Chubu Seiko Kabushiki Kaisha, Masakazu ShinoInventors: Shigekazu Ueda, Masakazu Shino
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Patent number: 3988806Abstract: An apparatus for removing trash from seed cotton. The comingled seed cotton/trash are conveyed by air velocity into the housing of the apparatus wherein they are made to follow the outer curve of the top panel until arrested by a spiked rotating beater cylinder having a first grid section disposed thereabout for expelling the rushing air and the entrained minute pieces of trash. As the beater directs the remaining portion of cotton/trash toward a rotating primary saw drum, the larger pieces of trash gravitate into a bypass hopper from which certain structure reclaims the seed cotton which may be comingled therewith. The reclaimed seed cotton is redirected onto the primary saw drum which also engages and holds the seed cotton being thrown thereon by the beater cylinder. A portion of the seed cotton impaled upon the primary saw drum has considerable intermediate size pieces of trash comingled therewith.Type: GrantFiled: June 30, 1975Date of Patent: November 2, 1976Inventor: Woodrow W. Bledsoe
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Patent number: 3987751Abstract: Apparatus for coating confectioneries such as chocolates or biscuits, including a feed device for receiving the confectionery to be coated and feeding the confectionery to a coating device wherein the confectionery is coated, means for driving the feed device and the coating device in synchronism, and means disposed immediately downstream of the coating device for receiving and discharging the coated confectionery and including a removable belt and drive means for advancing the belt over a guide plate fitted adjacent the coating device and thence over a removable support plate whereby confectionery coated in the coating device is received on the advancing belt, the guide plate having a normal working position and being disposable away from the coating device out of working position, and including control means for temporarily displacing the guide plate away from the coating device during the passage of the leading end of the belt into the gap between the leading edge of the guide plate and the coating device.Type: GrantFiled: January 24, 1975Date of Patent: October 26, 1976Inventor: Jean H. Delonnay
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Patent number: 3987615Abstract: A method of processing relatively inexpensive gin motes to reclaim the spinnable but normally waste cotton fibers contained therein and form a reduced cost yarn therefrom. The method involves cleaning the gin motes to separate and remove from the cotton fibers of the gin motes, the substantial portion of trash mixed therewith, and thereafter carding and drafting to separate and remove further amounts of trash therefrom. Subsequently, the thus processed cotton fibers of the gin motes are advanced through a combing machine and combed while additional trash is separated and removed and while short non-spinnable fibers are also removed to reduce the coefficient of variation in fiber length to a level suitable for subsequent processing into yarns. The resultant reclaimed spinnable fibers may be further processed by conventional methods, either directly from the comber to open-end or ring spinning, or indirectly by baling and later processing, alone or in blends with other fibers, to form yarns.Type: GrantFiled: August 18, 1975Date of Patent: October 26, 1976Assignee: Hal Franklin WhisnantInventor: Alton V. Hill, Jr.
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Patent number: 3986327Abstract: In a spinning device of an open end spinning machine, a sliver is fed to and passes through a feeding and opening device which opens it into individual fibers and feeds them into a rotary spinning chamber where they are collected and discharged as a finished yarn therefrom. In order to clean the fibers, when they pass through the feeding and opening device, dirt of the fibers is adapted to be thrown out by centrifugal force and leaves the fibers through a dirt discharge opening into a dirt collecting chamber. At this time, loss of fibers has to be prevented and for such purpose an air supply duct is arranged adjacent to the dirt discharge opening to introduce an air current into the fibers opposite to the direction of movement of the dirt particles. The air supply duct is adapted to allow the speed, the flow rate, and/or the direction of the air current to change in accordance with the conditions mentioned in the following description.Type: GrantFiled: October 29, 1974Date of Patent: October 19, 1976Assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Daiwa Boseki Kabushiki KaishaInventor: Akira Kobayashi
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Patent number: 3984896Abstract: A safety device for lint cleaners and the like through which lint is traveled in a predetermined path in a bat which varies in thickness between acceptable limits and occasionally exceeds such limits having a probe mounted adjacent to the path engageable with the lint and movable in response to variations in thickness thereof, and a switch in controlling relation to the lint cleaner responsive to movement of the bat engageable means adapted to render the cleaner inoperable whenever the thickness of the bat exceeds a predetermined maximum.Type: GrantFiled: August 14, 1975Date of Patent: October 12, 1976Inventor: George O. Hicks
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Patent number: 3984897Abstract: A gilling machine having a pair or set of spirally threaded faller screws for advancing gill bars spanning the space between the screws and advancing them in a forward direction with portions of the screws held or engaged by the spiral threads of the faller screws. A first pair of axially spaced wheels which have peripheral notches thereon corresponding with the pitch of the faller screws receive the gill bars from advance or upper faller screws and transfer them to a pair of parallel spaced backward-movement or lower faller screws that move the gill bars in a direction opposite to the forward movement, namely a backward direction. A second pair of axially spaced wheels receive the gill bars from the backward-movement faller screws and transfer them to the forward or advance faller screws.Type: GrantFiled: January 8, 1975Date of Patent: October 12, 1976Inventor: Haruo Takao
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Patent number: 3984898Abstract: A method and apparatus for producing multilayer fibrous mats is provided which can form alternate short and long fiber layers continuously on a single forming endless wire cloth. The layers are brought together under the influence of suction air and are held together by interfiber bonds at their interfaces. The apparatus is composed of long fiber defibrators and a short fiber disperser unit placed above the forming endless wire cloth. First, a thin web of long fibers is formed on the forming wire cloth and then a short fiber mat is formed on top of the said long fiber web. At this point, the short fibers to a certain extent are pulled into and among the long fibers of the thin long fiber web by the use of suction air thus forming a long fiber layer, long-short fiber interface layer and a short fiber layer mat construction.Type: GrantFiled: December 21, 1973Date of Patent: October 12, 1976Assignee: Honshu Paper Company, Ltd.Inventors: Hisashi Matsumura, Tadanori Samejima, Hiroshi Orito, Hisashi Ochiai
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Patent number: 3982302Abstract: Web forming apparatus of this invention includes a fiberizing roll for separating fibers from a feed mat and entraining them in a gaseous medium, a foraminous forming surface through which the gaseous medium passes and upon which the fibers are condensed to form a fibrous web and a formation duct having an upstream end adjacent the fiberizing roll and a downstream end adjacent the forming surface, whereby the formation duct defines a flow path for the gaseous suspension of fibers from the fiberizing roll to the forming surface; the improvement including passageways at opposite sides of the apparatus adjacent the upstream end of the formation duct for communicating the duct with an atmosphere having a lower pressure than that within the duct for removing air to eliminate the adverse effect of vortices which are created by rotation of the fiberizing roll. A method of forming a fibrous web by employing the abovedescribed apparatus also forms a part of this invention.Type: GrantFiled: April 10, 1975Date of Patent: September 28, 1976Assignee: Scott Paper CompanyInventor: Lawrence Vaalburg
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Patent number: 3983273Abstract: A carding machine for forming a fibrous web from textile fibers comprises at least three carding cylinders arranged in succession with worker means for working fibers progressively from cylinder to cylinder, means for rotating the cylinders at successively increasing peripheral speeds in the direction of travel of the fibers, a doffer in working relationship with the last cylinder for receiving the fibers, a means for rotating the doffer at a peripheral speed less than the peripheral speed of the last carding cylinder, the last carding cylinder being rotatable at such a peripheral speed that fibers are projected from the last carding cylinder to the doffer and the doffer being placed sufficiently close to the penultimate carding cylinder without being in working relationship thereto that air flow between the penultimate carding cylinder and the doffer is restricted so that in operation a stream of air flowing with the fibers from the last carding cylinder towards the doffer meets with resistance.Type: GrantFiled: May 2, 1974Date of Patent: September 28, 1976Assignee: Bonded Fibre Fabric LimitedInventor: Gordon Henry Elliott
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Patent number: 3982301Abstract: A high production textile card system is provided with an automatic variable speed drive system for driving the doffing cylinder from the main cylinder at a slow speed during system start-up and then progressively increasing the speed of the doffing cylinder after start-up. A variable speed belt drive system and clutch system are responsive to the sliver detector switch at the coiler can to control the rotation of the doffing cylinder after the system startup time has elapsed, to either terminate the rotation of the doffing cylinder if the sliver has not been properly threaded through the coiler head, or to increase the speed of rotation of the doffing cylinder with respect to the speed of rotation of the main cylinder.Type: GrantFiled: January 29, 1975Date of Patent: September 28, 1976Inventors: Lawrence Llach, Arturo Picas
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Patent number: 3981047Abstract: Apparatus for depositing staple fibers onto a conveyor belt to form a batt, including a chute feeder having an adjustable weir plate provided with a row of air jets along the bottom edge for maintaining a uniform fiber level at the exit from the chute. Fibers are supplied in an air stream from which they are separated by condenser means and fall into the chute over distributing baffles.Type: GrantFiled: May 13, 1975Date of Patent: September 21, 1976Assignee: E. I. Du Pont de Nemours and CompanyInventors: Rashmikant M. Contractor, Sang-Hak Hwang
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Patent number: 3979926Abstract: A fiber feeding device for a multi-color pile fabric knitting machine. The device comprises several units feeding fiber roving of different color onto a common carding cylinder. Said fiber feeding units are operated independently from each other.Type: GrantFiled: March 24, 1975Date of Patent: September 14, 1976Assignee: Oy Lillja Pile ABInventors: Per-Erik Fagerstedt, Pekka Solin