Nippon Electric Glass Co., Ltd.

Nitto-denko Corporation

Kaoru Mitsugi

Hiroki Mori

Yoshinori Hasegawa

Naohiro Ikai

Koichi Mori

Yasuo Teranishi

Shuji Akiyama

Michiharu Eta

Hiromichi Umemura

Hiroshi Adachi

Kazuhito Hosokawa

Takeshi Murashige

Junichi Inagaki

Kota Nakai

Toshihiro Kanno

Yohei Kirihata

Koji Nishijima

Naoya Ishida

Yasuhiro Uemura

Kazunari Noguchi

Hiroki Nakatsuka

Provided is a method comprises: continuously forming an elongated, glass film having marginal portions from molten glass into a given shape having two marginal portions, in width-directional opposite edge regions thereof, wherein the glass film having marginal portions has the marginal portions, and an effective portion formed in a width-directional central region of the glass film having marginal portions; annealing the glass film having marginal portions; continuously forming resin tapes on the glass film having marginal portions at positions adjacent to and away by a given distance from the respective marginal portions, to extend in a length direction of the glass film having marginal portions; and continuously removing each of the marginal portions from the glass film having marginal portions, along a position between the marginal portion and a corresponding one of the resin tapes, or at a given width-directional position within the corresponding resin tape.

Manufacturing method for glass film with resin tape, and manufacturing method for glass film

Provided is a glass roll (), including: a winding core (); a film body (F), which is taken up into a roll shape by the winding core (), and includes a glass film () and a scattering prevention film () having a smaller width than the glass film (); and flanges () which are mounted to the winding core (), and which are arranged on both sides of the film body (F) in a width direction. The film body (F) includes a detachable displacement prevention film () on a termination end portion side of the glass film () in a take-up direction. The displacement prevention film () includes a wide portion () having a lager width than the glass film ().

Glass roll

Provided is a glass film manufacturing method in which manufacture-related processing is performed on a glass film while the glass film (G) is conveyed, the glass film manufacturing method comprising the step of conveying the glass film (G) on a suction roller (), wherein the suction roller () is configured to suck only a center portion of the glass film in a width direction of the glass film (G).

Glass film manufacturing method

Provided is a method of manufacturing a glass sheet including a step of bringing a glass sheet (G, G) having a first liquid adhering to a surface into contact with a roller (). The glass sheet (G, G) includes: a first glass sheet (G); and a second glass sheet (G) having a contact length with the roller () which is larger than that of the first glass sheet (G). The step of bringing the glass sheet (G, G) into contact with the roller () includes a liquid supplying step of, at the time of bringing the first glass sheet (G) into contact with the roller (), applying a second liquid to a non-contact portion of the roller () which is prevented from being brought into contact with the first glass sheet (G).

Method for producing glass plate

In cutting a band-shaped glass film along a longitudinal direction thereof and evaluating linearity of an end side formed in association with the cutting to inspect quality of a cut band-shaped glass film, the following steps are performed: an imaging step of dividing the end side into a plurality of segments and imaging each of the plurality of segments; a linear approximation step of calculating an approximate straight line of the end side based on a plurality of points different from each other on the end side in each of a plurality of images obtained in the imaging step; a variation calculation step of calculating a variation value of the plurality of points based on the approximate straight line; and an evaluation step of evaluating the linearity of the end side based on a plurality of variation values respectively corresponding to the plurality of images.

Belt-like glass film quality inspection method and glass roll

A cleaning apparatus for a glass sheet includes a housing in which a cleaning liquid is stored, a plurality of spindle cases fixed to the housing to face an internal space of the housing, a spindle rotatably held in each of the spindle cases to face an internal space of the each of the spindle cases, and a cleaning member mounted to a distal end portion of the spindle. The cleaning apparatus also includes a first supply path formed in the each of the spindle cases to supply the cleaning liquid in the internal space of the housing to the internal space of the each of the spindle cases, and a second supply path formed in the spindle to supply the cleaning liquid in the internal space of the each of the spindle cases to the cleaning member.

Glass-plate cleaning device and method for producing glass plate

Provided is method of producing a glass roll, the method including: a conveying step of conveying a glass film (G) along a longitudinal direction thereof; a cutting step of irradiating the glass film (G) with a laser beam (L) from a laser irradiation apparatus () while conveying the glass film (G) by the conveying step, to thereby separate the glass film (G) into a non-product portion (Gc) and a product portion (Gd); and a take-up step of taking up the product portion (Gd) into a roll shape, to thereby form a glass roll (R). The cutting step includes winding a thread-like peeled material (Ge) generated from an end portion of the product portion (Gd) in a width direction around a rod-shaped collecting member (), to thereby collect the thread-like peeled material (Ge).

Method for manufacturing glass roll

A conveying device () for a glass film (G) includes: a first support () configured to support a first portion (Gc) of the glass film (G) having been cut; a second support () configured to support a second portion (Gd) of the glass film (G) having been cut; and an opening () formed at a position between the first support () and the second support () and below a laser irradiation apparatus (). A cutting step for the glass film (G) includes deforming the glass film (G) so as to be convex downward through the opening (), and radiating a laser beam (LB) from the laser irradiation apparatus () to a position which is within a range of the opening (), and which is prevented from coinciding with a top (GT) of the glass film (G).

Glass film production method

A roll-to-roll apparatus reliably reduces breakage of a glass film even in a case of sequentially performing predetermined processing on the glass film. Provided is a glass roll () formed by winding a glass film () into a roll, in which a resin film () is attached onto the glass film (), and at least a part of the resin film () is arranged on a front side of an unwinding direction relative to a leading end portion in the unwinding direction of the glass film ().

Glass roll and method of processing glass roll

A method of manufacturing a glass roll, includes: a forming step (S) of forming, while conveying a glass film, the glass film by a downdraw method; a temporary rolling step (S) of rolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying in the forming step (S), to thereby manufacture a source glass roll; and a main rolling step (S) of unrolling, while conveying the glass film to a downstream side, the glass film from the source glass roll, and then rerolling the glass film while superposing a protective film on the glass film at a downstream end of a path of the conveying, to thereby manufacture a glass roll. Higher tension in a rolling direction is applied to the glass film in the main rolling step (S) than in the temporary rolling step (S).

Method of manufacturing a glass roll

Provided is a workpiece conveyance method for conveying a workpiece () in a predetermined direction by applying a conveying force (F) to the workpiece () while supporting the workpiece () through use of free rollers (), and the workpiece conveyance method includes: applying flows of a fluid to the free rollers () to apply a rotation auxiliary force (f) to the free rollers () in a rotation direction of the free rollers () during conveyance of the workpiece ().

Workpiece conveyance method and workpiece conveyance device

A glass-resin laminate comprises an elongate glass film having a thickness of 1 to 300 &#x3bc;m, and a peelable elongate resin film having a thickness of 1 to 300 &#x3bc;m and a tensile modulus of elasticity of 0.3 Gpa or more. The elongate resin film is laminated on at least one surface of the elongate glass film so that the elongate resin film protrudes from edges on both sides in a lateral direction of the elongate glass film.

Glass-resin laminate, glass roll produced by winding the same, and method of producing glass roll

A sheet roll comprises two glass films and a coupling portion, wherein end portions of the glass films are coupled together via the coupling portion and the coupled glass films are rolled into a roll shape. The coupling portion is a sheet-like coupling member formed of a resin film and placed on the end portions of the two glass films in a rolling direction so as to span therebetween. The sheet-like coupling member includes wide joint portions joined respectively to the end portions of the two glass films, and a necked portion which is narrower than the wide joint portions and is formed at a middle portion of the sheet-like coupling member in the rolling direction.

Sheet roll and sheet-like coupling member

A cleaving apparatus holds at least one surface (effective surface) of a band-like glass film in a non-contact state to suppress a situation that wavy portions reach a region in which the band-like glass film is to be cleaved. The cleaving apparatus cleaves the band-like glass film, which is being conveyed in a longitudinal direction thereof, along a conveyance direction thereof using a thermal stress generated through localized heating and cooling of a heated region. The localized heating and the cooling is performed on a preset cleaving line extending along the conveyance direction of the band-like glass film. The cleaving apparatus includes an air knife for supplying air to a front surface of the band-like glass film to retain the film on a conveyor at a position on an upstream side of a cleaving region in the conveyance direction.

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Shiga, Japan

Kaoru Mitsugi