US3827189A - Sheet glass seaming machine - Google Patents

Sheet glass seaming machine Download PDF

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Publication number
US3827189A
US3827189A US00349741A US34974173A US3827189A US 3827189 A US3827189 A US 3827189A US 00349741 A US00349741 A US 00349741A US 34974173 A US34974173 A US 34974173A US 3827189 A US3827189 A US 3827189A
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US
United States
Prior art keywords
pivot arm
wheel
sheet
edge
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00349741A
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English (en)
Inventor
C Highberg
G Roesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicorn Industries Ltd
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Engelhard Minerals and Chemicals Corp filed Critical Engelhard Minerals and Chemicals Corp
Priority to US00349741A priority Critical patent/US3827189A/en
Priority to BR2836/74A priority patent/BR7402836D0/pt
Priority to JP49040636A priority patent/JPS5012108A/ja
Priority to DE2417568A priority patent/DE2417568A1/de
Priority to FR7412626A priority patent/FR2225252A1/fr
Priority to IT50297/74A priority patent/IT1004201B/it
Application granted granted Critical
Publication of US3827189A publication Critical patent/US3827189A/en
Anticipated expiration legal-status Critical
Assigned to UNICORN INDUSTRIES, PLC A CORP. OF THE UNITED KINGDOM reassignment UNICORN INDUSTRIES, PLC A CORP. OF THE UNITED KINGDOM NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 01/28/1989 Assignors: SUPER-CUT, INC. A CORP. OF DELAWARE
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/102—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets

Definitions

  • 5 abrasive wheel is supported its axis perpendicular [5 Cl. t to the heet and in a manner to its movement Field of Search 51/33 47, 101 R, toward and away from the edge of the sheet while 51/283 continuously grinding so as to follow the edge contour.
  • the abrasive wheel is urged selectively in an up- References Cited stream direction when contacting a downstream facing UNITED STATES PATENTS edge portion (incurve) and in a downstream direction 1,997,386 4/1935 Louviaux 51 33 R when Contacting an upstream facing edge Portion 2.597.180 5/1952 Reaser et a].
  • This invention relates to the grinding of edges of cutto-size sheets of glass and the like with abrasives such as diamond grit. More particularly, the invention relates to the grinding of the edges of cut-to-size glass sheets such as for vehicle Windshields, backlites and door lites.
  • Cut-to-size sheets of glass or glass-like material usually have razor sharp edges resulting from the cutting tool that travels around a predetermined outline pattern to cut a contoured piece from a rectangular sheet of standard dimensions.
  • the tool is a carbidetipped cutting wheel that leaves razor sharp edges which must be dulled for safety.
  • This grinding operation which is referred to in the art as seaming, is usually performed with special abrasives.
  • Other similar operations to which the invention also relates provide different qualities of edge and include what is referred to in the art as pencil edging.
  • the operation may be performed with a grinding wheel turning about an axis perpendicular to the sheet and urged into engagement with the edge while being moved progressively along the edge from one end to the other.
  • the pressure or force urging the wheel against the edge of the glass is, of course, generally normal to the edge and of the desired magnitude to keep the wheel in continuous engagement with the edge to obtain uniform cutting.
  • the seaming or other edging is most often done with abrasive belts. Grinding wheels have not been satisfactory in such circumstances since the wheel tends to jump intermittently out of engagement with the glass when contacting an edge portion that faces partly in an upstream or downstream direction relative to the direction of travel. This condition occurs because the forcing urging the wheel against the edge is normal to the direction of relative travel between the tool and the glass and thus not necessarily normal to edge portions that are angularly disposed relative to the direction of travel.
  • the apparatus of the present invention has the advantage and capability of seaming or edging automatically with an abrasive wheel the edges of continuously moving, cut-to-size glass sheets or lites having irregular contours with relatively sharp curves.
  • Another object is to provide increased production rates and improved quality in the seaming or edging of glass sheets with irregular edge contours.
  • the mechanism of the invention comprises a supporting structure and a member operatively connected between the supporting structure and the wheel and adapted to urge the wheel in a direction generally toward the edge and downstream relative to the direction of relative translation of the cut-to-size sheet.
  • a second member is operatively connected between the support and the wheel and is adapted to urge the wheel in a direction generally toward the edge and upstream relative to the direction of relative translation.
  • Apppropriate means are provided for actuating the first and second members selectively so that the wheel is urged by the first member when engaging an upstream facing contoured edge portion (outcurve) of the sheet and by the second member when engaging a downstream facing contoured edge portion (incurve).
  • the first member is a pivot arm pivotally connected at one end to the support for movement about a fixed axis parallel to the grinding wheel axis
  • the second member is another pivot arm pivotally connected at one end to the other end of the first pivot arm for movement about a second axis parallel to the grinding wheel axis.
  • the second pivot arm is adapted to carry the grinding wheel at its outer end.
  • the first and second axis are located upstream and downstream respectively from the grinding wheel axis relative to the direction of translation.
  • a hydraulic rotary actuator is connected between the support and the first pivot arm for urging the pivot arm toward the edge and a second hydraulic rotary actuator is operatively connected between the first and second pivot arms for urging the grinding wheel toward the sheet.
  • Appropriate hydraulic controls are provided for pressurizing the two actuators selectively so that the grinding wheel is urged by the first actuator when engaging an upstream facing edge portion (outcurve) of the sheet and by the second actuator when engaging a downstream facing edge portion (incurve).
  • FIG. 1 is a plan view illustrating a machine for seaming the edges of cut-to-size glass sheets for automobile backlites wherein the glass sheets are transported by conveyor rolls past a seaming station including a diamond grit-type seaming wheel supported by a mechanism embodying the invention;
  • FIG. 2 is a fragmentary side elevation of the machine of FIG. 1 illustrating in particular the seaming wheel supporting mechanism embodying the invention
  • FIG. 3 is a fragmentary side elevation on an enlarged scale illustrating in greater detail the tool-supporting mechanism of the invention with parts broken away and shown in section for the purpose of illustration;
  • FIG. 4 is a fragmentary sectional view taken on the line 44 of FIG. 3 and illustrating the motions of the tool-supporting mechanism
  • FIG. 5 is a sectional view taken on the line 5-5 of FIG. 3;
  • FIGS. 6 through 9 are schematic diagrams illustrating the hydraulic control system for the tool-supporting mechanism embodying the invention and showing the sequence of operation during a portion of the edge seaming cycle.
  • a seaming unit A located at a grinding station on one side of a conveyor B for transporting cut-to-size glass sheet past the station.
  • the particular glass sheet being transported is a cut-to-size sheet 10 with a predetermined contour for use in forming the backlite of a certain type of automobile.
  • the conveyor B includes a plurality of driven rollers including lower rollers 11 uniformly spaced parallel to one another and upper rollers 12 each cooperating with a respective lower roller to grip and transport therebetween the glass sheet 10.
  • the seaming unit A includes a diamond grit-type seaming wheel 13.
  • the seaming wheel 13 is adapted to engage and seam the irregularly contoured bottom edge 16 of the sheet 10 as the sheet is transported past the seaming station by the conveyor B.
  • the bottom edge 16 has a recessed portion 21 located between a downstream facing edge portion (incurve) 22 and an upstream facing edge portion (outcurve) 23.
  • a grinding pressure applied perpendicular to the direction of travel of the glass sheet 10 would be normal to the edge 16 only in relatively straight portions but would be in angular relation to the upstream and downstream facing edge portions 23 and 22 respectively.
  • a grinding pressure applied only in a lateral direction would be inadequate in that the wheel 13 would tend to jump intermittently out of engagement with the glass during travel in the upstream and downstream facing edge portions 23 and 22.
  • the seaming unit A is provided with the tool-supporting mechanism of the invention which applies a seaming pressure generally normal to the edge portion engaged by the wheel 13 throughout the irregular contour of the bottom edge 16.
  • the unit A comprises a supporting structure 30, a pivot arm 31 connected to the supporting structure 30 and another pivot arm 32 connected to the pivot arm 31.
  • the pivot arm 32 carries the seaming wheel 13 at one end thereof and a drive motor 33 at the other end.
  • the motor 33 has a drive pulley 34 on its output shaft that drives a pulley 35 keyed to the shaft of the wheel 13, through a V-belt 36.
  • the arm 31 is urged in a clockwise direction as viewed in FIG. 1 by means of a hydraulic rotary actuator 38 while the arm 32 is urged in a counterclockwise direction by another hydraulic rotary actuator 39 of smaller capacity.
  • the actuators 38 and 39 may be, for example, the type manufactured and sold by Ohio Oscillator Co., Inc. of 1116 Ridge Avenue, Pittsburgh, Pennsylvania, the type referred to under the designation II-Series being illustrated herein.
  • the supporting structure 30 has a pair of vertically spaced brackets 41 and 42 which support bearing units 43 and 44 respectively.
  • a vertical pivot pin 45 is joumaled in the bearing units 43 and 44 and is fixed to the pivot arm 31 by set screws.
  • the upper end of the pin 45 is coupled to an extension shaft 46.
  • the shaft 46 has a pinion 47 that is engaged and turned by a rack 48 on the rod of a double-headed piston 49 in the rotary actuator 38.
  • the body of the rotary actuator 38 is connected to the supporting structure 30 so that movement of the piston 49 in the actuator 38 in response to hydraulic pressure urges the pivot arm 31 about its vertical axis defined by the pivot pin 45.
  • the pivot pin 31, as best indicated in FIGS. 1 and 4, has a generally L-shaped configuration and the pivot pin 45 is located generally upstream of the seaming wheel 13 with respect to the direction of movement of the sheet 10.
  • the opposite end of the pivot arm 31 is located generally downstream of the seaming wheel 13 relative to the direction of movement of the glass sheet 10, and has a vertical bearing tube 51.
  • the ends of the bearing tube 51 are joumaled in upper and lower bearing units 52 and 53 bolted to the inner end of the pivot arm 32 so that the pivot arm 32 is pivotable about the vertical axis through the bearing tube 51.
  • a pivot pin 54 extends upwardly from the top of the pivot arm 32 coaxially with the bearing tube 51 and is coupled to a shaft with a pinion 55 that is engaged and turned by a rack 56 on the rod of a double-headed piston 57 in the rotary actuator 39.
  • the body of the actuator 39 is attached to the pivot arm 31 by means of an upright post 58 mounted at the angled bend in the pivot arm 31 (FIG. 5).
  • a plate 59 supporting the rotary actuator 39 is bolted to a flange welded to the top of the post 58. Accordingly, movement of the piston 57 in response to hydraulic pressure urges the pivot arm 32 about the vertical pivot axis defined by the pin 54.
  • the seaming wheel 13 is mounted at the right-hand end of the pivot arm 32 and is positioned vertically at the same level as the edge of the glass sheet 10. Also it is located well below the pivot arms 31 and 32 so that there is no interference during its movement toward and away from the bottom edge 16 of the glass sheet, to follow the edge contour.
  • the drive motor for the wheel 13 is located at the opposite end of the pivot arm 32 for the purpose of better balance.
  • a drive motor could be connected directly to the shaft of the grinding wheel 13 if desired.
  • pivot arms 31 and 32 are articulated in such a way that one or the other may be used, depending on the pressure condition in the respective rotary actuator, as the primary means for urging the seaming wheel 13 against the edge of the glass sheet.
  • the hydraulic control system for the rotary actuators 38 and 39 is best illustrated in FIGS. 6 through 9 wherein one exemplary portion of a seaming cycle is illustrated sequentially during the seaming of the bottom edge 16 of the glass sheet 10.
  • the hydraulic control system comprises in addition to the rotary actuators 38 and 39, a constant pressure hydraulic pump 60, a reservoir 61, a four-way solenoid valve 62 that controls the pressure supply to the actuator 39, a low-pressure regulator 63 and a high-pressure regulator 64 in the supply circuit to the actuator 38, a two-way solenoid valve 65 that selects high or low fluid pressure from one or the other of the two regulators 63 and 64, a four-way solenoid valve 66 that controls the supply of fluid pressure to the actuator 38, and a fluid shock cushioning circuit 67 consisting of two parallel branches in the line to the right-hand end of the actuator 38 as viewed in FIG. 6.
  • the cushioning circuit includes a left-hand branch 68 that includes a one-way ball check and a restricter and a right-hand parallel branch 69 that includes a one-way reverse ball check and a restricter.
  • FIG. 6 it will be seen that the glass sheet 10 is being transported from right to left past the seaming unit A and that the seaming wheel 13 is engaging a straight portion of the bottom edge 16.
  • the two-way solenoid valve 65 is moved to the left by solenoid 65a as illustrated in FIG. 6 to feed pressure from the high-pressure regulator 64 to the four-way solenoid valve 66.
  • the valve 66 is moved to its right-hand normal operating position by solenoid 66a so that the high fluid pressure is directed through the check valve and restricter in the branch 69 to the right-hand end of the rotary hydraulic actuator 38.
  • the resulting pressure urges the piston 48 to the left with a high magnitude of force to turn the pinion 46 in a clockwise direction.
  • the stop is a standard feature associated with the rotary hydraulic actuator 38.
  • Hydraulic pressure from the pump 60 is also supplied through the valve 62 which at this point in the cycle is moved to its right-hand position by the solenoid 62a to supply hydraulic fluid at pump pressure to the bottom end of the rotary hydraulic actuator 39.
  • This pressure is regulated by direct adjustment of the pump pressure.
  • the resulting pressure against the piston urges the pinion in a counterclockwise direction.
  • the grinding pressure is thus provided by the actuator 39.
  • the glass sheet 10 has been transported to the left to a position where the upstream facing portion 23 of the recess 21 is adjacent the seaming wheel 13 and the wheel is engaging the edge in that portion.
  • the leading edge thereof has tripped a microswitch that operates the solenoid 65a to move the valve 65 to the right wherein the pressure line from the high-pressure regulator 64 is closed and the line from the low-pressure regulator valve 63 is open to provide a lower pressure through the four-way solenoid valve 66, to the right-hand end of the rotary actuator 38.
  • This pressure is normally not sufficient to keep the pivot arm 31 in its stop position and as the seaming wheel 13 moves through the upstream facing edge portion 23 the arm 31 pivots about its axis in a counterclockwise direction to permit the wheel to follow the contour of the edge portion 23.
  • the relationship between the force urging the pivot arm 32 and the force urging the pivot arm 31 is such that the arm 32 and rotary actuator 39 move to a stop position and the necessary retraction movement is accommodated by the pivot arm 31.
  • the result of this force relationship is that the pressure urging the grinding wheel 13 into engagement with the upstream facing edge portion 23 is applied in a direction generally normal to the edge being engaged.
  • a principal advantage of the invention thus described is that the seaming wheel 13 guides itself automatically along the contour of the edge to be seamed.
  • the grinding pressure remains generally uniform and normal to the glass edge throughout the cycle.
  • the only setup of equipment required for a particular size and shape of cut-to-size glass sheet is the positioning of microswitches for energizing and deenergizing the various solenoids for the control valves of the hydraulic control system. Timers can be used to replace the microswitches if desired.
  • first means operatively connected between said support and said wheel for urging said wheel in a direction generally toward said edge and downstream relative to said direction of relative translation of said sheet
  • a machine as defined in claim 1 wherein said sup- 3.
  • a machine as defined in claim 2 wherein said glass sheet is transported in a horizontal position between driven rollers and wherein said grinding wheel has a vertical axis of rotation.
  • said first means comprises a first pivot arm pivotally connected at one end to said support at a pivot axis located parallel to and downstream from said grinding wheel axis and fluid pressure means operatively connected between said support and said first pivot arm and wherein said second means comprises a second pivot arm pivotally connected at one end to the other end of said first pivot arm at a pivot axis located parallel to and upstream from said grinding wheel axis and fluid pressure means operatively connected between said first pivot arm and said second pivot arm.
  • first pivot arm pivotally connected at one end to said support for movement about a first axis parallel to said grinding wheel axis
  • a second pivot arm pivotally connected at one end to the other end of said first pivot arm for movement about a second axis parallel to said grinding wheel axis, and being adapted to carry said grinding wheel at the other end thereof
  • first and second axes being located upstream and downstream respectively from said wheel axis relative to the direction of said translation, first means operatively connected to said support and said first pivot arm for urging said first pivot arm toward said edge, second means operatively connected to said first pivot arm and said second pivot arm for urging said grinding wheel toward said sheet, and means for actuating first and second means selectively whereby said wheel is urged by said first means when engaging an upstream facing edge portion of said sheet and by said second means when engaging a downstream facing edge portion of said sheet.
  • said means for actuating said rotary actuators comprises valve means for directing relatively high fluid pressure to said rotary actuator of said first means to move said first pivot arm to said limit position, and alternatively to direct relatively low fluid pressure to said rotary actuator of said first means whereby said second pivot arm moves to its limit position and said first pivot arm moves to accommodate edge-contour-following movement of said grinding wheel.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
US00349741A 1973-04-10 1973-04-10 Sheet glass seaming machine Expired - Lifetime US3827189A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US00349741A US3827189A (en) 1973-04-10 1973-04-10 Sheet glass seaming machine
BR2836/74A BR7402836D0 (pt) 1973-04-10 1974-04-09 Aperfeicaomento em maquina para esmerilhar bordas contornadas de folhas de vidro, e material semelhante
JP49040636A JPS5012108A (ko) 1973-04-10 1974-04-10
DE2417568A DE2417568A1 (de) 1973-04-10 1974-04-10 Maschine zum schleifen der umfangskanten von flachglas und glasaehnlichem material
FR7412626A FR2225252A1 (ko) 1973-04-10 1974-04-10
IT50297/74A IT1004201B (it) 1973-04-10 1974-04-10 Macchina per molare lastre di vetro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00349741A US3827189A (en) 1973-04-10 1973-04-10 Sheet glass seaming machine

Publications (1)

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US3827189A true US3827189A (en) 1974-08-06

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US00349741A Expired - Lifetime US3827189A (en) 1973-04-10 1973-04-10 Sheet glass seaming machine

Country Status (6)

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US (1) US3827189A (ko)
JP (1) JPS5012108A (ko)
BR (1) BR7402836D0 (ko)
DE (1) DE2417568A1 (ko)
FR (1) FR2225252A1 (ko)
IT (1) IT1004201B (ko)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913272A (en) * 1973-06-08 1975-10-21 Ford Motor Co Trim separation
FR2429647A1 (fr) * 1978-06-26 1980-01-25 Bielefelder Union Koch Machine a meuler pour pieces en forme de plaque
US4375738A (en) * 1977-12-31 1983-03-08 Bando Kiko Co., Ltd. Method for grinding glass plate and the like by numerical control and grinding machine therefor
US4478007A (en) * 1981-04-14 1984-10-23 Z. Bavelloni S.P.A. Tool positioning device for machining the edges of sheet or plate materials
US4587764A (en) * 1983-05-11 1986-05-13 Societa Italiana Vetro Siv S.P.A. Machine for grinding the edges of a sheet of glass
US4608783A (en) * 1982-12-23 1986-09-02 Z. Bavelloni S.P.A. Feeler unit for positioning sheet glass processing tools
US4648210A (en) * 1984-06-30 1987-03-10 Saint-Gobain Vitrage Apparatus for controlling position of grinding tool
US4667443A (en) * 1984-09-06 1987-05-26 Kaoru Sakurai End face grinding apparatus
US4685180A (en) * 1984-07-19 1987-08-11 Nippon Sheet Glass Co., Ltd. Contour shaping apparatus
US4756124A (en) * 1986-02-04 1988-07-12 Societa' Italiana Vetro Siv S.P.A. Machine for grinding the edges of a sheet of glass, particularly for automobile windows
US5152641A (en) * 1991-10-15 1992-10-06 Royal Tool, Inc. Method and apparatus for controlling glass drilling
EP1063054A2 (en) * 1999-06-21 2000-12-27 Z. BAVELLONI S.p.A. Bilateral edge-type machine for edge-machining glass or stone-like plate materials and the like
US20040259471A1 (en) * 2003-06-23 2004-12-23 Antenen Research Co. Articulating constant force finishing tool actuator
US20080293335A1 (en) * 2007-05-21 2008-11-27 Applied Materials, Inc. Methods and apparatus for substrate edge polishing using a polishing arm
CN103109364A (zh) * 2010-10-06 2013-05-15 川崎重工业株式会社 板状玻璃的搬运装置和具备该搬运装置的倒角装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537305Y2 (ko) * 1976-04-06 1980-09-02
DE3035612C2 (de) * 1980-09-20 1983-07-14 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Maschine zum Runden der Ecken von Glasplatten
US7018272B2 (en) * 2003-07-29 2006-03-28 Corning Incorporated Pressure feed grinding of AMLCD substrate edges

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997386A (en) * 1931-10-30 1935-04-09 Libbey Owens Ford Glass Co Edge grinding apparatus
US2597180A (en) * 1950-05-06 1952-05-20 Sun Tool & Machine Company Rotary edge grinding machine
US2723598A (en) * 1951-12-26 1955-11-15 Ekstrom Carlson & Co Power actuated router
US2795086A (en) * 1952-11-21 1957-06-11 Libbey Owens Ford Glass Co Edge finishing method and apparatus
US2826872A (en) * 1954-11-01 1958-03-18 Pittsburgh Plate Glass Co Apparatus and method for edge grinding of plates
US3466807A (en) * 1965-09-03 1969-09-16 Lapple Gmbh & Co August Device for machining irregularly curved surfaces

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997386A (en) * 1931-10-30 1935-04-09 Libbey Owens Ford Glass Co Edge grinding apparatus
US2597180A (en) * 1950-05-06 1952-05-20 Sun Tool & Machine Company Rotary edge grinding machine
US2723598A (en) * 1951-12-26 1955-11-15 Ekstrom Carlson & Co Power actuated router
US2795086A (en) * 1952-11-21 1957-06-11 Libbey Owens Ford Glass Co Edge finishing method and apparatus
US2826872A (en) * 1954-11-01 1958-03-18 Pittsburgh Plate Glass Co Apparatus and method for edge grinding of plates
US3466807A (en) * 1965-09-03 1969-09-16 Lapple Gmbh & Co August Device for machining irregularly curved surfaces

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913272A (en) * 1973-06-08 1975-10-21 Ford Motor Co Trim separation
US4375738A (en) * 1977-12-31 1983-03-08 Bando Kiko Co., Ltd. Method for grinding glass plate and the like by numerical control and grinding machine therefor
FR2429647A1 (fr) * 1978-06-26 1980-01-25 Bielefelder Union Koch Machine a meuler pour pieces en forme de plaque
US4478007A (en) * 1981-04-14 1984-10-23 Z. Bavelloni S.P.A. Tool positioning device for machining the edges of sheet or plate materials
US4608783A (en) * 1982-12-23 1986-09-02 Z. Bavelloni S.P.A. Feeler unit for positioning sheet glass processing tools
US4587764A (en) * 1983-05-11 1986-05-13 Societa Italiana Vetro Siv S.P.A. Machine for grinding the edges of a sheet of glass
US4648210A (en) * 1984-06-30 1987-03-10 Saint-Gobain Vitrage Apparatus for controlling position of grinding tool
US4685180A (en) * 1984-07-19 1987-08-11 Nippon Sheet Glass Co., Ltd. Contour shaping apparatus
US4667443A (en) * 1984-09-06 1987-05-26 Kaoru Sakurai End face grinding apparatus
US4756124A (en) * 1986-02-04 1988-07-12 Societa' Italiana Vetro Siv S.P.A. Machine for grinding the edges of a sheet of glass, particularly for automobile windows
US5152641A (en) * 1991-10-15 1992-10-06 Royal Tool, Inc. Method and apparatus for controlling glass drilling
EP1063054A2 (en) * 1999-06-21 2000-12-27 Z. BAVELLONI S.p.A. Bilateral edge-type machine for edge-machining glass or stone-like plate materials and the like
EP1063054A3 (en) * 1999-06-21 2002-01-30 Z. BAVELLONI S.p.A. Bilateral edge-type machine for edge-machining glass or stone-like plate materials and the like
US6398629B1 (en) 1999-06-21 2002-06-04 Z. Bavelloni S.P.A. Bilateral edge-type machine for edge-machining glass or stone-like plate materials and the like
US20040259471A1 (en) * 2003-06-23 2004-12-23 Antenen Research Co. Articulating constant force finishing tool actuator
US20080293335A1 (en) * 2007-05-21 2008-11-27 Applied Materials, Inc. Methods and apparatus for substrate edge polishing using a polishing arm
CN103109364A (zh) * 2010-10-06 2013-05-15 川崎重工业株式会社 板状玻璃的搬运装置和具备该搬运装置的倒角装置
US20130196576A1 (en) * 2010-10-06 2013-08-01 Kawasaki Jukogyo Kabushiki Kaisha Glass plate conveying device and beveling apparatus including the same
US9296080B2 (en) * 2010-10-06 2016-03-29 Kawasaki Jukogyo Kabushiki Kaisha Glass plate conveying device and beveling apparatus including the same
CN103109364B (zh) * 2010-10-06 2016-08-03 川崎重工业株式会社 板状玻璃的搬运装置和具备该搬运装置的倒角装置

Also Published As

Publication number Publication date
JPS5012108A (ko) 1975-02-07
BR7402836D0 (pt) 1974-12-24
DE2417568A1 (de) 1974-11-07
IT1004201B (it) 1976-07-10
FR2225252A1 (ko) 1974-11-08

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Owner name: UNICORN INDUSTRIES, PLC A CORP. OF THE UNITED K

Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNOR:SUPER-CUT, INC. A CORP. OF DELAWARE;REEL/FRAME:005959/0136

Effective date: 19910222