Abstract: A glass-plate working apparatus includes a glass-plate supporting portion 20a of a feed conveyor 7, a glass-plate supporting portion 20b of a cutting section 2, a glass-plate supporting portion 20c of a bend-breaking section 4, a glass-plate supporting portion 20d of a grinding section 3, and a glass-plate supporting portion 20e of a discharge conveyor 8; a cutting head 9, a bend-breaking device 66, and a grinding head 10 for processing glass plates 5 which are respectively supported by the supporting portions 20b, 20c, and 20d; and a transporting device 89 for transporting the glass plate 5 on the supporting portion 20a onto the supporting portion 20b, the glass plate 5 on the supporting portion 20b onto the supporting portion 20c, the glass plate 5 on the supporting portion 20c onto the supporting portion 20d, and the glass plate 5 on the supporting portion 20d onto the supporting portion 20e, respectively.

Abstract: A reciprocating engine 1 is so arranged that, in an initial period of an expansion stroke, a high-pressure combustion gas 12 above a piston 2 is introduced via gas passage holes 23 provided in an upper portion 22 of a cylinder inner surface 8 on a thrust side 10 into a gas chamber 4 formed by being encompassed by the cylinder inner surface 8 and a top ring 5, a second ring 6, and a second land 7 of the piston 2, so as to support the piston 2 from the thrust side 10 by the introduced high-pressure combustion gas 12. A half ring 13 is inserted in the gas chamber 4 in a state of being placed on the second land 7 from the thrust side 10 and so as to be movable up and down with clearances 20 above and below, whereby as the piston 2 reciprocates, the half ring 13 moves up and down an amount corresponding to the size of the clearances 20, thereby continually cleaning the inside of the gas chamber 4.

Abstract: A scribing apparatus 1 includes a horizontal table 3 on which a silicon carbide plate 2 is fixed under vacuum suction; a feed screw 5 and a Y-axis control motor 6 for moving the table 3 along a pair of guide rails 4 under scribe numerical control; a guide rail device body 7 installed above the table 3 along an X-axis direction; a carriage 8 mounted on the guide rail device body 7 so as to move in the X-axis direction while being guided; a feed screw and an X-axis control motor 9 for moving the carriage 8 in the X-axis direction under numerical control; and a scribe head 10 installed on the carriage 8.

Abstract: A glass-plate working machine 1 is arranged such that while a cutting head 9 for forming a cut line on a glass plate 5 and a grinding head 10 for grinding a peripheral edge of the glass plate 5 bend-broken along the cut line are being moved simultaneously in parallel under numerical control, the cutting head 9 and the grinding head 10 respectively having angle control motors 46 and 49 are synchronously subjected to angular control about axes 39 perpendicular to the surface of the glass plate 5, and the cutting head 9 and the grinding head 10 are moved such that the orientation of a cutter wheel 52 is adjusted to a processing line, and the press contacting direction of a grinding wheel 64 of the grinding head 10 is kept in a normal direction with respect to a processing line of an edge of the glass plate 5.

Abstract: A glass plate cutting machine 1 includes a cutter wheel 4 for forming a cut line 3 on a glass plate 2; a moving means 5 for moving the cutter wheel 4 along a cut line 3a which has been preset and is to be formed on the glass plate 2; a resiliently pressing device 6 for resiliently pressing the cutter wheel 4 against the glass plate 2; and a control unit 7 for controlling the resiliently pressing device 6 so as to alternately change over the intensity of a resiliently pressing force of that cutter wheel 4 with respect to the glass plate 2 in the movement of the cutter wheel 4 by the moving means 5.

Abstract: A glass-plate working apparatus (1) includes a grinding means (7) for grinding a peripheral edge (6) of a glass plate (2); and a grinding supporting means (9) for supporting the glass plate (2) whose peripheral edge (6) is to be ground by the grinding means (7), wherein the grinding supporting means(9) includes a grinding supporting table (101), a plurality of suction cups (102) which are held on the grinding supporting table(101) by being attached by suction to the grinding supporting table (101) and suck and hold the glass plate (2) by sucking the glass plate (2) whose peripheral edge (6) is to be ground, and an arranging means (103) for disposing the plurality of suction cups (102), respectively, at positions corresponding to the shape of the glass plate (2) to be ground.

Abstract: A glass plate cutting machine 1 includes a cutter wheel 4 for forming a cut line 3 on a glass plate 2; a moving means 5 for moving the cutter wheel 4 along a cut line 3a which has been preset and is to be formed on the glass plate 2; a resiliently pressing device 6 for resiliently pressing the cutter wheel 4 against the glass plate 2; and a control unit 7 for controlling the resiliently pressing device 6 so as to alternately change over the intensity of a resiliently pressing force of that cutter wheel 4 with respect to the glass plate 2 in the movement of the cutter wheel 4 by the moving means 5.

Abstract: A glass-plate working apparatus (1) includes a grinding means (7) for grinding a peripheral edge (6) of a glass plate (2); and a grinding supporting means (9) for supporting the glass plate (2) whose peripheral edge (6) is to be ground by the grinding means (7), wherein the grinding supporting means(9) includes a grinding supporting table (101), a plurality of suction cups (102) which are held on the grinding supporting table(101) by being attached by suction to the grinding supporting table (101) and suck and hold the glass plate (2) by sucking the glass plate (2) whose peripheral edge (6) is to be ground, and an arranging means (103) for disposing the plurality of suction cups (102), respectively, at positions corresponding to the shape of the glass plate (2) to be ground.

Abstract: A glass-plate working apparatus (1) includes a grinding means (7) for grinding a peripheral edge (6) of a glass plate (2); and a grinding supporting means (9) for supporting the glass plate (2) whose peripheral edge (6) is to be ground by the grinding means (7), wherein the grinding supporting means (9) includes a grinding supporting table (101), a plurality of suction cups (102) which are held on the grinding supporting table (101) by being attached by suction to the grinding supporting table (101) and suck and hold the glass plate (2) by sucking the glass plate (2) whose peripheral edge (6) is to be ground, and an arranging means (103) for disposing the plurality of suction cups (102), respectively, at positions corresponding to the shape of the glass plate (2) to be ground.

Abstract: A piston 2 includes a piston upper body 8 made up of a crown portion 3 for receiving combustion pressure and a land portion 7 having piston ring grooves 4, 5, and 6, as well as a skirt portion 9 formed on the lower side of the piston upper body 8, and a pin boss portion 11 for supporting a piston pin 10. The land portion 7 also includes an outer peripheral surface 16 of the aforementioned piston upper body 8. The land portion 7 is referred to as the outer peripheral surface 16 of the piston upper body 8. In the piston 2, reference numeral 12 denotes a thrust side, and reference numeral 13 denotes an anti-thrust side. The piston 2 is formed such that the piston upper body 8 is off-centered toward the anti-thrust side 13 with respect to a center line 14 of the piston 2.

Abstract: An apparatus for drilling holes in a glass plate has a supporting member for sucking and supporting a glass plate which is used for an automobile window or the like, as described later, and the supporting member is comprised of a suction pad for sucking the glass plate and a pair of supports for supporting the glass plate on an outer side of the suction pad. The supports are detachably mounted on the outer side of the suction pad, and the supporting member is adapted to rotate about the suction pad in an R direction. The apparatus for drilling holes in a glass plate further includes a hole forming means for forming in the glass plate holes shown in FIG. 7; a supporting means having the supporting member and for supporting the glass plate in which the holes are to be formed by the hole forming means; and a transporting means for transporting onto the supporting means the glass plate in which the holes are to be formed.

Abstract: An apparatus for drilling holes in a glass plate has a supporting member for sucking and supporting a glass plate which is used for an automobile window or the like, as described later, and the supporting member is comprised of a suction pad for sucking the glass plate and a pair of supports for supporting the glass plate on an outer side of the suction pad. The supports are detachably mounted on the outer side of the suction pad, and the supporting member is adapted to rotate about the suction pad in an R direction. The apparatus for drilling holes in a glass plate further includes a hole forming means for forming in the glass plate holes shown in FIG. 7; a supporting means having the supporting member and for supporting the glass plate in which the holes are to be formed by the hole forming means; and a transporting means for transporting onto the supporting means the glass plate in which the holes are to be formed.

Abstract: A reciprocating engine 1 includes an annular top ring 5 serving as a first piston ring disposed adjacent to a top surface (head end surface) 4 of a piston 3 defining a combustion chamber 2; an annular second ring 6 serving as a second piston ring disposed with the top ring 5 interposed between the annular second ring 6 and the top surface 4; an annular gas chamber 7 defined by the top ring 5 and the second ring 6; and a plurality of communicating passages 8 for allowing the annular gas chamber 7 and the combustion chamber 2 to communicate with each other. The top ring 5 and the second ring 6 are respectively inclined with respect to an X direction in which the piston 3 reciprocates, so as to be located further away from each other on a thrust side 9 than on an anti-thrust side 10.

Abstract: An apparatus for working a glass plate includes: a transporting device for bending a glass plate in a concave shape in a cross-sectional view in a transporting direction and transporting the glass plate from a cutting section to a bend-breaking section; a cutting device for forming cut lines on the glass plate in the cutting section; and a bend-breaking device for bend-breaking the glass plate in the bend-breaking section.

Abstract: An apparatus (1) for removing a film layer on a glass plate includes: a movable base (5) which is movable in an X direction and a Y direction along a glass-plate placing surface (3); a moving means (6) for moving the movable base (5) in the X direction and the Y direction along the glass-plate placing surface (3); a movable base (7) provided on the movable base (5) in such a manner to be movable in a Z direction so as to be capable of moving toward or away from the glass-plate placing surface (3); a moving means (8) for moving the movable base (7) in the Z direction so as to cause the movable base (7) to move toward or away from the glass-plate placing surface (3); a grinding wheel (9) provided on the movable base (7) in such a manner as to be capable of being lifted or lowered with respect to the movable base (7); a resiliently pressing means (15) for resiliently pressing the grinding wheel (9) against a film layer (14); and a detecting means (17) for detecting the lifted or lowered position of the grinding

Abstract: A reciprocating engine comprises: a piston ring; a piston ring which defines an annular gas chamber in cooperation with the piston ring and which is adjacent to the piston ring such that a pressure-receiving area of a side surface of a piston in the annular gas chamber becomes greater on a thrust side than on a counter-thrust side of the piston; and gas passages for allowing the annular gas chamber to communicate with the combustion chamber.

Abstract: An apparatus (1) for working a glass plate includes: a glass-plate working section (4) for working a glass plate (2) whose upper surface (3) is coated; and transporting means (6) for carrying into the glass-plate working section (4) the glass plate (2) to be worked and carrying it out from the glass-plate working section (4) after working, by imparting to a lower surface (5) thereof a moving force in an X direction parallel to the upper surface (3) and the lower surface (5) of the glass plate (2).

Abstract: A reciprocating engine comprises: a piston ring; a piston ring which defines an annular gas chamber in cooperation with the piston ring and which is adjacent to the piston ring such that a pressure-receiving area of a side surface of a piston in the annular gas chamber becomes greater on a thrust side than on a counter-thrust side of the piston; and gas passages for allowing the annular gas chamber to communicate with the combustion chamber.

Abstract: An apparatus for removing a film layer on a glass plate includes: a supporting base for supporting a glass plate; a pair of removing devices for removing a film layer on the glass plate; a transporting device for transporting the glass plate; and a control unit for defining in a divided manner a region of a film layer to be removed by the pair of removing devices and for causing the pair of removing devices to concurrently effect removal of the film layer on the glass plate in an apportioned manner with respect to divided regions defined in the divided manner.

Abstract: An apparatus for working a glass plate includes: a transporting device for bending a glass plate in a concave shape in a cross-sectional view in a transporting direction and transporting the glass plate from a cutting section to a bend-breaking section; a cutting device for forming cut lines on the glass plate in the cutting section; and a bend-breaking device for bend-breaking the glass plate in the bend-breaking section.