Traveling Mold Patents (Class 65/264)
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Patent number: 8166779Abstract: A baffle system for blank molds of a glassware forming machine, in accordance with an exemplary embodiment of the present disclosure, includes a first shaft mounted for movement in the direction of its axis and for rotation around its axis. A baffle arm is mounted to the first shaft and a manifold is suspended from the baffle arm. A plurality of baffle holders are suspended from the manifold, and rocker arms interconnect the baffle holders for equalizing forces applied by the baffle holders to the blank molds of a glassware forming machine. A second shaft is adjacent to the first shaft and a link arm extends between the second shaft and the manifold. The baffle arm, the manifold and the link arm form a linkage that moves the baffle holders between a first position overlying the blank molds and a second position spaced from the blank molds.Type: GrantFiled: October 13, 2006Date of Patent: May 1, 2012Assignee: Owens-Brockway Glass Container Inc.Inventor: Paul B. Mohr
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Publication number: 20070277557Abstract: An I. S. Machine is provided wherein the blow molds are closed to a slightly cracked location whereby applied cooling air can not leak into and pressurize the blow mold thereby damaging the parison during reheat. When reheat is completed, the blow molds are fully closed and the parison is transformed into a bottle by applying compressed air and/or vacuum.Type: ApplicationFiled: June 2, 2006Publication date: December 6, 2007Inventor: Jonathan S. Simon
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Patent number: 6314762Abstract: A neck ring arm assembly for a glass container forming machine of the individual section type comprising a horizontally extending invert shaft and a vertically extending cylinder with a rack that engages a spur gear attached to the invert shaft to oscillate the invert shaft. In a first embodiment, the invert shaft has an inner annular sleeve keyed to it, and the inner annular sleeve has a polygonal exterior, preferably a hexagonal exterior. First and second outer annular sleeves surround the inner annular sleeve to be oscillatable therewith, but reciprocable with respect thereto.Type: GrantFiled: November 19, 1999Date of Patent: November 13, 2001Assignee: Owens-Brockway Glass Container Inc.Inventor: Thomas R. Kirkman
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Patent number: 6098427Abstract: A neck ring arm assembly for a glass container forming machine of the individual section type comprising a horizontally extending invert shaft and a vertically extending cylinder with a rack that engages a spur gear attached to the invert shaft to oscillate the invert shaft. The invert shaft has an inner annular sleeve keyed to it, and the inner annular sleeve has a polygonal exterior, preferably a hexagonal exterior. First and second outer annular sleeves surround the inner annular sleeve to be oscillatable therewith, but reciprocable with respect thereto. Each of the first and second outer annular sleeves has a polygonal interior which is complementary to the polygonal exterior of the inner annular sleeve, and each is provided with a plurality of replaceable wear pads each of which is adjustable toward a surface of the polygonal exterior of the inner annular sleeve to provide for close, low backlash engagement of the inner annular sleeve by the outer annular sleeves over a prolonged duration.Type: GrantFiled: October 29, 1998Date of Patent: August 8, 2000Assignee: Owens-Brockway Glass Container Inc.Inventor: Thomas R. Kirkman
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Patent number: 6009727Abstract: Opposed mold supports of a mold opening and closing mechanism are driven by electronic motors between retracted and advanced positions. The motors are electronically geared together and follow a feed program which initially advances the associated mold supports a set distance which is half the separation distance. When the displacement of both supports stops, both motors are operated at a slow velocity. When it is determined again that both supports have stopped, the location of each is verified to be within an acceptable range and each motor is then operated to apply a desired clamping load.Type: GrantFiled: July 9, 1998Date of Patent: January 4, 2000Assignee: Emhart Glass S.A.Inventors: Marty J. Grant, Joseph L. Lehman
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Patent number: 5974835Abstract: An I.S. machine has a plurality of individual sections each having a blank station for forming a parison from a gob of molten glass in opposed pairs of blankmold halves supported by opposed mold carriers displaceable between retracted and advanced positions and a blow station for forming a parison into a bottle in opposed pairs of blowmold halves supported by opposed mold carriers displaceable between retracted and advanced positions. The drive assemblies for the four mold carriers are identical having the same transmission for converting a rotary input into a linear output, and motor having a rotary output connected to the rotary input of the transmission.Type: GrantFiled: November 6, 1997Date of Patent: November 2, 1999Assignee: Emhart Glass S.A.Inventors: Walter E. Lovell, John P. Mungovan, Joseph A. Borbone, Steven J. Pinkerton, Douglas J. Roberts
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Patent number: 5958101Abstract: A mold opening and closing mechanism for an I.S. machine having a plurality of individual sections each having a section frame having a top wall. A pair of mold support mechanisms are supported above the top wall of the section frame for linear displacement and displaced by a motor having, a rotary output, secured to the top wall, via a rotary to linear transmission supported above the top wall of the section frame horizontally adjacent the mold support mechanisms.Type: GrantFiled: November 6, 1997Date of Patent: September 28, 1999Assignee: Emhart Glass S.A.Inventors: Steven J. Pinkerton, Walter E. Lovell, Joseph A. Borbone, Douglas J. Roberts, John P. Mungovan
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Patent number: 5938809Abstract: An I.S. machine has a plurality of individual sections arranged in side by side relation. Each section has a blank station for forming a parison from a gob of molten glass, and a blow station for forming a parison into a bottle. An invert and neck ring holder mechanism is located between these stations for transferring a parison between from one station to the other. Each station has a mold opening and closing mechanism which has a pair of opposed mold support mechanisms supported for linear displacement between a retracted position and an advanced position. Each mold support mechanism is supported by a first shaft on one side of the center of the mold opening and closing mechanism, proximate the invert and neck ring holder mechanism, extending perpendicularly to the engagement plane, and by a second shaft on the other side of the center of the mold opening and closing mechanism, remote from the invert and neck ring holder mechanism, extending perpendicularly to the engagement plane.Type: GrantFiled: November 6, 1997Date of Patent: August 17, 1999Assignee: Emhart Glass SAInventors: John P. Mungovan, Gary R. Voisine, Walter E. Lovell, Joseph A. Borbone, Steven J. Pinkerton, Douglas J. Roberts, Alexander H. Slocum
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Patent number: 5902370Abstract: A mold opening and closing mechanism for an I.S. machine including a pair of mold support mechanisms supported for displacement between a retracted position and an advanced position where they will engage. A mold support mechanism is displaced by a transmission including a lead screw which is supported by a housing, left hand and right hand nuts operatively associated with the lead screw, and links interconnecting the left hand and right hand nuts and the mold support mechanism.Type: GrantFiled: November 6, 1997Date of Patent: May 11, 1999Assignee: Emhart Glass S.A.Inventors: Walter E. Lovell, Joseph A. Borbone, Steven J. Pinkerton, Douglas J. Roberts, John P. Mungovan
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Patent number: 5891209Abstract: A mold opening and closing mechanism for an I.S. machine which has a pair of mold support mechanisms supported for horizontal displacement between a retracted position and an advanced position. These support mechanisms are linearly displaced by a drive assembly which includes a lead screw, a housing secured to the section frame for supporting the lead screw, a motor coupled to the lead screw, nuts operatively associated with the lead screw, and links interconnecting the nuts with their associated mold support mechanism. The housing has a rear wall defining a flat surface, and the nuts have flat rear bearing surfaces with a selected spacing therebetween when the mold support mechanism is fully retracted.Type: GrantFiled: November 6, 1997Date of Patent: April 6, 1999Assignee: Emhart Glass S.A.Inventors: Walter E. Lovell, Joseph A. Borbone, Steven J. Pinkerton, Douglas J. Roberts, John P. Mungovan
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Patent number: 5876476Abstract: An I.S. machine is disclosed which has a plurality of individual sections arranged in side by side relation. Each section has blank mold and blow mold opening and closing mechanisms and an invert and neck ring holder mechanism for transferring a parison between these mechanisms. Each of the mold opening and closing mechanisms has a pair of opposed mold support mechanisms which are supported for linear displacement. Ways at either end of the section support one end of each pair of mold support mechanisms and the other end is supported on a pair of shafts located between the mechanisms. One of these shafts is supported between the spaced vertical supports of the invert and neck ring holder mechanism and the other shaft has a first part supported between one of the spaced vertical supports and the vertical invert housing and a second part is supported between the other one of the spaced vertical supports and the vertical invert housing.Type: GrantFiled: November 6, 1997Date of Patent: March 2, 1999Assignee: Emhart Glass S.A.Inventors: Joseph A. Borbone, Walter E. Lovell, Douglas J. Roberts, Steven J. Pinkerton, John P. Mungovan
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Patent number: 5865868Abstract: A mold carrier assembly for use with a support housing having a pair of parallel, spaced, horizontally extending bores and located on the top wall of a section frame of an I.S. machine. The quick change mold carrier assembly has a mold support mechanism including an insert for supporting at least one mold half which is mounted on a carrier. First and second parallel round shafts are secured at one end to the carrier with the round shafts extending horizontally in parallel relationship and each of the round shafts have a free end remote from the carrier for slidable insertion into the bores of the housing.Type: GrantFiled: November 6, 1997Date of Patent: February 2, 1999Assignee: Emhart Glass Machinery Investments Inc.Inventors: Alexander H. Slocum, Walter E. Lovell, Joseph A. Borbone, Steven J. Pinkerton, Douglas J. Roberts, John P. Mungovan, Gary R. Voisine
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Patent number: 5830254Abstract: A mold opening and closing mechanism for an I.S. machine has a pair of opposed mold support mechanisms for carrying at least one opposed pair of mold side portions. Each mold support mechanism includes a yoke having a first vertical bore and a second horizontal bore. Molds are carried by upper and lower inserts which also have a hole extending vertically therethrough. An insert carrier is linearly displaceable between retracted and advanced positions and the inserts and the yoke are secured to the carrier by a first pin slidably extending vertically through the vertical holes in the inserts and yoke, and through a vertical hole in the carrier. A second pin slidably extends through this yoke horizontal hole and the drive assembly is connected to this second pin.Type: GrantFiled: November 6, 1997Date of Patent: November 3, 1998Assignee: Emhart Glass Machinery Investments Inc.Inventors: Douglas J. Roberts, Walter E. Lovell, Joseph A. Borbone, Steven J. Pinkerton, John P. Mungovan
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Patent number: 5824131Abstract: Opposed mold supports of a mold opening and closing mechanism are driven by electronic motors between retracted and advanced positions. The motors are electronically geared together and follow a feed program which initially advances the associated mold supports a set distance which is half the separation distance. When the displacement of both supports stops, both motors are operated at a slow velocity. When it is determined again that both supports have stopped, the location of each is verified to be within an acceptable range and each motor is then operated to apply a desired clamping load.Type: GrantFiled: November 6, 1997Date of Patent: October 20, 1998Assignee: Emhart Glass Machinery Investments Inc.Inventors: Marty J. Grant, Joseph L. Lehman
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Patent number: 5803945Abstract: A mold opening and closing mechanism for an I.S. machine having a plurality of individual sections each having a pair of opposed mold support mechanisms displaceable between a separated retracted position whereat each mold support mechanism is located at a start position and an advanced position whereat molds carried by the mold support mechanisms will forcefully engage. The drive which is operatively associated with each mold support mechanism includes an electronic motor. A predetermined torque is applied to the motors for a period of time when the opposed pair of mold support mechanisms are at the advanced position. To return the mold support mechanisms to the start position the electronic motors are operated to displace the mold support mechanisms at a slow velocity for a predetermined period of time and then operated to displace the mold support mechanisms to rapidly displace the mold support mechanisms to the start position following the predetermined period of time.Type: GrantFiled: November 6, 1997Date of Patent: September 8, 1998Assignee: Emhart Glass Machinery Investments Inc.Inventor: Marty J. Grant
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Patent number: 5685888Abstract: A machine for the production of glassware articles by pressing and blowing molten glass gobs fed from a glass gob feeder, comprises at least a blank mold and a corresponding pressing plunger, mounted at a stationary parison forming station, and four forming stations mounted around a 90.degree. indexed rotary carrier, each comprising a blow head, a neck ring and a blow mold, so as to rotate to a first forming position coinciding with the parison forming station, and to second, third and fourth forming positions spaced 90.degree. from each other, for reheating, blowing, and take out operations.Type: GrantFiled: April 20, 1994Date of Patent: November 11, 1997Assignee: Vitro Crisa Cristaleria, S.A. de C.V.Inventor: Victor Tijerina-Ramos
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Patent number: 5649989Abstract: A method for manufacturing glass containers in a section of an I.S. machine. A gob of molten glass is delivered to a blank mold to be formed into a parison. The formed parison is then transferred to a blow mold so that an initial blowing operation can be performed to stabilize the parison. The blow mold with the stabilized parison is then transferred linearly to a final station where the parison is blown into the container.Type: GrantFiled: September 29, 1995Date of Patent: July 22, 1997Assignee: Emhart Glass Machinery Investments Inc.Inventor: Stanley Peter Jones
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Patent number: 5649991Abstract: A section of an I.S. machine for manufacturing glass containers. A gob of molten glass is delivered to a blank mold to be formed into a parison. The formed parison is then transferred to a blow mold so that an initial blowing operation can be performed to stabilize the parison. The blow mold with the stabilized parison is then transferred linearly to a final station where the parison is blown into the container.Type: GrantFiled: September 29, 1995Date of Patent: July 22, 1997Assignee: Emhart Glass Machinery Investments Inc.Inventor: Stanley Peter Jones
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Patent number: 4680050Abstract: A glassware molding machine includes a plunger and neck mold assembly that cooperates with a carriage and a parison blank mold to form a parison around a first vertical axis (46) in a forming station, and to suspend the completed parison by the neck ring portions. A pair of carriges, and body forming mold portions, alternately cooperate with the neck ring portions to form a container from the parison while the parison remains suspended by the neck ring portions and while the parison remains around the first vertical axis in the forming station. While one pair of forming mold portions transport a completed container from the forming station to a cooling and take-out station with the container held between the closed forming mold portions, the other pair of forming mold portions, are open and, with timing independent of the movement of the first pair move by rectilinear movement back to the forming station.Type: GrantFiled: May 16, 1986Date of Patent: July 14, 1987Assignee: Ball CorporationInventor: Wilbur O. Doud
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Patent number: 4579575Abstract: A blow head which defines an upper portion of a mould cavity in which glass parisons are blown to the shape of mould cavity is moved into and out of operative position by a combination of horizontal and vertical movement. The vertical movement is brought about by a first piston and cylinder assembly (24, 26) and a second piston and cylinder assembly (38, 40) is operable, as the blow head approaches the parison, to oppose the action of the first piston and cylinder assembly (24, 26) thereby cushioning any impact between the blow head (4) and the parison.Type: GrantFiled: September 30, 1982Date of Patent: April 1, 1986Assignee: Emhart Industries, Inc.Inventor: Thomas V. Foster
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Patent number: 4576624Abstract: A machine for forming a hollow article of vitreous material has a neck mold having a neck ring with a pair of separable neck ring halves, a pair of holding elements each holding a respective one of the neck ring halves, a transporting element for transporting the neck molds along a predetermined path and having guiding bars, a driving element for moving each of the holding elements relative to the guide bars between closed and open end positions with locking of the same, and carriages displaceably mounted on the guide bars, wherein each of the holding elements for holding a respective one of the neck ring halves is releasably connected with one of the carriages.Type: GrantFiled: June 19, 1981Date of Patent: March 18, 1986Assignee: Hermann HeyeInventor: Hans-Georg Seidel
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Patent number: 4509969Abstract: A blowhead apparatus including a blowhead arm and a blowhead body having at least one blowhead therein. The blowhead body is removably connected to the blowhead arm. The blowhead includes a retaining member, a seating member mounted on a sealed bearing, and a sealing ring having a seating surface mating with a seating surface on the seating member. A fluid system for supplying high and low pressure air includes a sealed pilot operated shuttle valve for controlling the high and low pressure air, a pilot valve for controlling the shuttle valve, and an on-off valve for the low pressure air.Type: GrantFiled: March 4, 1983Date of Patent: April 9, 1985Assignee: Emhart Industries, Inc.Inventor: Vaughan Abbott
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Patent number: 4432783Abstract: A blowhead mechanism for use in a continuous rotary motion press and blow type glass ware forming machine wherein the blowhead is attached to a shaft which is rotatably mounted on the machine by means of an arm and having a loosely mounted annular cam member on said shaft with a cam track therein having inclined and vertical portions, a cam follower mounted on said shaft in a position to engage the track during rotary movement of the shaft and blowhead, means to rotate the cam member, stop means to limit rotation of the said shaft whereby the shaft and the blowhead rotate from a first position to a second position whereat the shaft is moved vertically downward to place the blowhead onto a blow mold and after blowing the glass ware the shaft is moved up and rotated back to its original position.Type: GrantFiled: April 13, 1983Date of Patent: February 21, 1984Assignee: Emhart Industries, Inc.Inventor: Francis A. Dahms
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Patent number: 4416681Abstract: A glassware forming apparatus including at least one split below mold moveable between an open and closed position. At least one bottom plate is mounted on the machine for movement into and out of engagement with the blow mold. The means for moving the bottom plate is separate from the means for moving the blow mold. Additionally, a mechanism is provided for moving the bottom plate toward the blow mold along a path in which the bottom plate first pivots about a fixed pivot point and then moves along a straight line coaxial with the axis of the blow mold.Type: GrantFiled: May 7, 1982Date of Patent: November 22, 1983Assignee: Emhart Industries, Inc.Inventor: Francis A. Dahms
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Patent number: 4284424Abstract: A rotatable neck ring assembly for use primarily in an automatic blow molding machine includes an annular bushing and a concentrically arranged series of pivotally mounted foot members which in their closed position cooperate with the bushing to hold a parison during molding of the ware. The feet are spring-biased toward open position and cammed in to closed position when engaged by the upwardly moving parison mold. Cam surfaces on the outer surface of the feet cooperate with corresponding surfaces on a concentrically surrounding sleeve to hold the ring tightly closed on the rim of the parison even after lowering of the parison mold and throughout the blow molding portion of the cycle. The ring is opened following the molding and cooling portions of the cycle by hydraulic pressure acting on a piston which engages the upper surface of the bushing to force the feet to pivot outwardly.Type: GrantFiled: December 3, 1979Date of Patent: August 18, 1981Assignee: Investigacion Fic FideicomisoInventor: John K. Martin
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Patent number: 4244726Abstract: An apparatus for manufacturing glass bottles is disclosed which includes consecutively delivering gobs of molten glass into a blank mold, forming each gob into a parison, transferring the parisons alternately into at least two sets of blow molds, allowing said parisons to reheat, and expanding the parisons in the blow molds. The sets of blow molds recipricate along a substantially vertical path. A first position where the parisons are alternately received by the blow molds and blown containers removed is located on the vertical path. The parisons are expanded and cooled in the blow molds by blowing them out or by applying a vacuum, or a combination of those means at a second position on the vertical path. The apparatus is an improvement to forming sections of the well known Hartford type I.S. machine.Type: GrantFiled: November 29, 1978Date of Patent: January 13, 1981Assignees: Jr. Northup, Nancy Northup Lehrkind, Mary Northup, Ruth B. NorthupInventor: John D. Northup
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Patent number: 4219346Abstract: A process and apparatus for the manufacture of large glass containers, comprises preparing a glass gob of a predetermined weight in an automatic mechanical feeder and feeding it to a first preparatory mold at a predetermined frequency. A parison is formed in the preparatory mold, at the same frequency, the parison comprising a finished mouth of the glass container to be formed. The parison is then transferred to a second, prefinishing mold, and, at the same frequency, a prefinished parison is formed. The prefinished parison is transferred to a third, finishing mold, and, at a frequency in a ratio of from 1:1 to 1:4 of the predetermined frequency, the finished glass container is formed. The expansion of the prefinished parison is controlled by the action of compressed air conveyed to the interior of the parison from its mouth.Type: GrantFiled: August 2, 1978Date of Patent: August 26, 1980Assignee: Industria Macchine ImpiantiInventor: Antonio Cruccu
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Patent number: 4200449Abstract: A multi-section blow molding machine for the manufacture of hollow glassware has in each section a parison mold for each pair of blow molds. The blow molds are disposed below and on opposite sides of the center of oscillation of a neck ring arm carrying rotatable neck rings and arranged so that the mold or molds on one side are open when those on the other side are closed. The molds and neck ring arm are interconnected to oscillate together in opposite directions between lockable positions 180.degree. apart. The parison mold and associated feed and plunger means are movable in and out of operative position below and above the neck ring arm respectively, and operate in timed relation thereto. The open blow molds are spray cooled during the blowing cycle as well as during oscillation of the neck ring arm between its locked positions. In the closed blow molds, the blowing is continued simultaneously with the spray cooling to further cool the molded articles prior to release to a take-out conveyor.Type: GrantFiled: April 20, 1978Date of Patent: April 29, 1980Assignee: Investigacion FIC FideicomisoInventor: John K. Martin
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Patent number: 4105428Abstract: A decorative pattern is formed on the inner surface of the blow molded glass article by imprinting the pattern on the surface of the glass gob by means of a die having the pattern formed thereon and subsequently blow molding against the imprinted surface.Type: GrantFiled: January 31, 1977Date of Patent: August 8, 1978Assignee: Anchor Hocking CorporationInventor: Terry L. Adams
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Patent number: 4057412Abstract: A machine for forming hollow articles of vitreous material includes at least one forming station provided with at least one forming means and for each forming means a neck ring means carrying a parison and including a pair of neck ring halves and a guide ring coaxially carried by the neck ring halves and rotatable relative thereto. The guide ring which engages the parison at its mouth is rotated to thereby impart to the parison a rotary motion relative to the remainder of its forming means which may comprise a split mold to thereby avoid formation of seams or fins on the finished hollow article and to improve the surface quality thereof.Type: GrantFiled: December 12, 1975Date of Patent: November 8, 1977Assignee: Hermann HeyeInventor: Lothar Schaar
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Patent number: 4046550Abstract: Two molds attached to the same carriage and filled with molten glass in the form of a gob, are presented by a roller track from beneath a pair of blowing spindles or pipes with which the molds are nested until the glass therein is fixed or set in the clamping means of the spindles, after which the molds disengage from the parisons attached to the spindles by a descending portion of the roller track which guides their carriage. The carriages are moved along the roller track by an endless chain conveyor synchronized with the movement of the glass forming machines carrying the pair of blowing spindles. The parisons attached to the spindles are then formed and blown into the containers in the normal manner of that of a "Westlake" turntable type of glass container making machine.Type: GrantFiled: June 18, 1975Date of Patent: September 6, 1977Assignee: Durobor S.A.Inventor: George A. Thyoux
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Patent number: 4010021Abstract: An individual section of a multiple section glassware forming machine is shown wherein each such section preferably includes three stations performing separate and sequential operations in forming articles of glassware. Each such section may be adapted for "single gob" or "multiple gob" use whereby each station in the section performs its operation in forming either a single article of glassware or multiple articles at the same time. The section shown is adapted for "double gob" operation. Its first station is utilized in forming (by overhead pressing plungers) two parisons in upright parison molds. Its second station is utilized to further form the parisons either in intermediate blow molds or by suspending the parisons for a re-heat. Its third station is utilized to blow the parisons into the final shape of the glassware article being made.Type: GrantFiled: August 18, 1975Date of Patent: March 1, 1977Assignee: Emhart Industries, Inc.Inventor: Thomas Vincent Foster
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Patent number: 4009019Abstract: An individual section of a multiple section glassware forming machine is shown wherein each such section preferably includes three stations performing separate and sequential operations in forming articles of glassware. Each such section may be adapted for "single gob" or "multiple gob" use whereby each station in the section performs its operation in forming either a single article of glassware or multiple articles at the same time. The section shown is adapted for "double gob" operation. Its first station is utilized in forming (by overhead pressing plungers) two parisons in upright parison molds. Its second station is utilized to further form the parisons either in intermediate blow molds or by suspending the parisons for a re-heat. Its third station is utilized to blow the parisons into the final shape of the glassware article being made.Type: GrantFiled: August 18, 1975Date of Patent: February 22, 1977Assignee: Emhart Industries, Inc.Inventor: Thomas Vincent Foster
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Patent number: 3951637Abstract: A machine for forming hollow articles of vitreous material includes at least one forming station provided with at least one forming means and for each forming means a neck ring means carrying a parison and including a pair of neck ring halves and a guide ring coaxially carried by the neck ring halves and rotatable relative thereto. The guide ring which engages the parison at its mouth is rotated to thereby impart to the parison a rotary motion relative to the remainder of its forming means which may comprise a split mold to thereby avoid formation of seams or fins on the finished hollow article and to improve the surface quality thereof.Type: GrantFiled: May 14, 1974Date of Patent: April 20, 1976Assignee: Hermann HeyeInventor: Lothar Schaar