Abstract: A lens shape measurement device, includes: a rotation unit that rotates a lens supported by a stage; a laser displacement meter; a first moving unit that moves the laser displacement meter in a X-direction; a second moving unit that moves the lens in a Y-direction; and a drive controller that controls a drive of the rotation unit, the first moving unit, and the second moving unit in a mirror reflection state in which an incidence angle of the laser beams incident on a measurement target from the laser displacement meter, and a reflection angle of the laser beams reflected by the measurement target are equal to each other with a normal line of the lens passing through the measurement target set as a reference, for each of a plurality of measurement targets set on an edge of the lens in a rotating direction of the lens.

Abstract: A lens edging system of the present invention includes: an edger configured to perform edging of a spectacle lens using an edging tool; a shape measurement device configured to measure an edging shape of a circumferential edge of the spectacle lens after edging by the edger; a memory part configured to store information regarding a reference shape of the edging tool used by the edger; a shape comparing and judging part configured to compare a measurement result obtained by the shape measurement device and a reference shape of the edging tool specified from the information stored in the memory part, and judge necessity/non-necessity for exchanging the edging tool based on a comparison result; and an information output part configured to output information regarding necessity for exchange when the shape comparing and judging part so judges.

Abstract: A shape division method is provided for dividing spectacle lens three-dimensional shape data into data regarding shape element portions used for edging the spectacle lens, including: acquiring data regarding a projection shape of a circumferential edge of the spectacle lens as projection shape data based on the three-dimensional shape data; obtaining a prescribed circumscribed graphic shape circumscribing a projection shape specified by the projection shape data at each prescribed angle while changing a relative angle of the projection shape and the circumscribed graphic shape, and extracting data regarding a shape of an inside area common to each of all obtained circumscribed graphic shapes, as outermost edging shape data; and obtaining a differential area between a shape specified by the outermost edging shape data and the projection shape specified by the projection shape data, and extracting data regarding a shape portion of the obtained differential area as penetrated edging shape data.

Abstract: A lens edging method of performing edging to a spectacle-lens, using an edger equipped with a plurality of types of edging tools, including: a step of dividing an edging portion to be edged during edging of the spectacle-lens, into a plurality of shape element portions, based on three-dimensional shape data of the spectacle-lens; a step of allocating an edging tool used for edging each of the plurality of shape element portions, from the plurality of types of edging tools, in accordance with a previously set tool selection reference; an step of determining a using order of each edging tool allocated to each of the plurality of shape element portions, in accordance with a previously set using priority order; and a step of making the edger perform edging using each edging tool allocated in the tool allocation step, in accordance with the using order determined in the edging order determination step.

Abstract: In a lens edging system using a lens edger 22 and an edging control terminal 23, the lens edger 22 includes a calculation switching section 22 configured to switch a setting of a calculating section so as to select either one of a first calculating section 22d and a second calculating section 23b for calculating edging shape data, and a data acquisition section 22f configured to acquire the edging shape data calculated by the second calculating section 23b from the edging control terminal 23, wherein when the calculation switching section 22g switches the setting of a calculating section so as to select the second calculating section 23b for calculating the edging shape data, the edging shape data calculated by the second calculating section 23b is acquired by a data acquisition section 22f, and a lens edging section 22a performs edging using the acquired edging shape data.

Abstract: A lens edging system of the present invention includes: an edger configured to perform edging of a spectacle lens using an edging tool; a shape measurement device configured to measure an edging shape of a circumferential edge of the spectacle lens after edging by the edger; a memory part configured to store information regarding a reference shape of the edging tool used by the edger; a shape comparing and judging part configured to compare a measurement result obtained by the shape measurement device and a reference shape of the edging tool specified from the information stored in the memory part, and judge necessity/non-necessity for exchanging the edging tool based on a comparison result; and an information output part configured to output information regarding necessity for exchange when the shape comparing and judging part so judges.

Abstract: In a lens edging system using a lens edger and an edging control terminal, the lens edger includes a calculation switching section configured to switch a setting of a calculating section so as to select either one of a first calculating section and a second calculating section for calculating edging shape data, and a data acquisition section configured to acquire the edging shape data calculated by the second calculating section from the edging control terminal, wherein when the calculation switching section switches the setting of a calculating section so as to select the second calculating section for calculating the edging shape data, the edging shape data calculated by the second calculating section is acquired by a data acquisition section, and a lens edging section performs edging using the acquired edging shape data.

Abstract: A lens shape measurement device, includes: a rotation unit that rotates a lens supported by a stage; a laser displacement meter; a first moving unit that moves the laser displacement meter in a X-direction; a second moving unit that moves the lens in a Y-direction; and a drive controller that controls a drive of the rotation unit, the first moving unit, and the second moving unit in a mirror reflection state in which an incidence angle of the laser beams incident on a measurement target from the laser displacement meter, and a reflection angle of the laser beams reflected by the measurement target are equal to each other with a normal line of the lens passing through the measurement target set as a reference, for each of a plurality of measurement targets set on an edge of the lens in a rotating direction of the lens.

Abstract: To manufacture a photochromic lens by uniformly applying a coating liquid having a photochromic function without leaving an uncoated area, with a minimum necessary coating amount. There is provided a manufacturing method of the photochromic lens for dripping and applying a coating liquid 9 having the photochromic function onto a coating surface 2 of a spectacle lens, while rotating a spectacle lens 1, and forming a photochromic film having the photochromic function on the coating surface, comprising dripping (ring-shaped drip part 25) the coating liquid in a ring shape in the vicinity of an outer circumference on the coating surface of the spectacle lens, and thereafter dripping (spiral-shaped drip part 26) the coating liquid in a spiral shape toward a geometrical center or an optical center of the spectacle lens from the vicinity of the outer circumference, wherein the coating surface has a convex curved shape, and a viscosity of the coating liquid is 25 to 500 cps at 25° C.

Abstract: A coating device (42) for a coating solution and a light beam radiating device (151) which cures the coating solution are arranged in a clean room (7). Spectacle lenses (2) include a set of two lenses and are stored in a coating container (50). The coating device (42) applies the coating solution to coating target surfaces of the spectacle lenses (2) in the coating container (50). When the set of two spectacle lenses (2) coated with the coating solution are extracted from the coating container (50), they are stored in a lens rack (120) and sealed by a transparent plate of the light beam radiating device (151). After air in the lens rack (120) is purged with nitrogen gas, curing treatment for the coating solution is performed by the light beam radiating device (151).

Abstract: This apparatus includes a unit for adhering an elastic seal to a lens holder, a unit for causing the lens holder, to which the elastic seal is adhered, to hold a lens, a pivotal arm, an arm driving unit for pivoting the pivotal arm, a clamp unit attached to the pivotal arm to be vertically movable to hold the lens holder, and a clamp driving unit for vertically moving the clamp unit. The pivotal arm is pivoted to sequentially adhere the elastic seal to the lens holder and hold the lens by the lens holder.

Abstract: A system comprises the step for applying a mark in advance in a reference position in which attachment of a lens holder is anticipated on a convex lens surface of a reference lens; the step for attaching the lens holder to the convex lens surface of the reference lens by using a holder attachment apparatus; and the step for comparing a position in which the lens holder is actually attached and a reference position in which the mark is applied on the lens. A cavity-shaped hole is formed in the holder so that a position of the mark on the reference lens can be observed when the lens holder is attached to the lens. In the comparison step, a toolmaker's microscope is used to observe the mark through the hole in the lens holder from a direction of the convex lens surface of the lens, an actual attachment position of the holder is compared to the reference position of the reference lens, and an attachment accuracy of the holder is verified.

Abstract: In a method of coloring a dye coating-formed lens by heating, the lens is subjected to half dyeing by changing the heating temperature depending on the lens site. This dyeing method involves heating a lens having a dye coating-formed on the surface thereof in a heating furnace to diffuse a dye into the lens. This method is carried out in a heating furnace having a frame section having the shape of a cube or rectangular parallelepiped, a heating section provided within the frame section, and an insertion port for inserting the lens provided on the bottom surface of the frame section. All or a part of the lens is inserted from the insertion port into a furnace inside of the heating furnace from the lower portion of the heating furnace and heated.

Abstract: In a method of coloring a dye coating-formed lens by heating, the lens is subjected to half dyeing by changing the heating temperature depending on the lens site. This dyeing method involves heating a lens having a dye coating-formed on the surface thereof in a heating furnace to diffuse a dye into the lens. This method is carried out in a heating furnace having a frame section having the shape of a cube or rectangular parallelepiped, a heating section provided within the frame section, and an insertion port for inserting the lens provided on the bottom surface of the frame section. All or a part of the lens is inserted from the insertion port into a furnace inside of the heating furnace from the lower portion of the heating furnace and heated.

Abstract: A coating device (42) for a coating solution and a light beam radiating device (151) which cures the coating solution are arranged in a clean room (7). Spectacle lenses (2) include a set of two lenses and are stored in a coating container (50). The coating device (42) applies the coating solution to coating target surfaces of the spectacle lenses (2) in the coating container (50). When the set of two spectacle lenses (2) coated with the coating solution are extracted from the coating container (50), they are stored in a lens rack (120) and sealed by a transparent plate of the light beam radiating device (151). After air in the lens rack (120) is purged with nitrogen gas, curing treatment for the coating solution is performed by the light beam radiating device (151).

Abstract: To manufacture a photochromic lens by uniformly applying a coating liquid having a photochromic function without leaving an uncoated area, with a minimum necessary coating amount. There is provided a manufacturing method of the photochromic lens for dripping and applying a coating liquid 9 having the photochromic function onto a coating surface 2 of a spectacle lens, while rotating a spectacle lens 1, and forming a photochromic film having the photochromic function on the coating surface, comprising dripping (ring-shaped drip part 25) the coating liquid in a ring shape in the vicinity of an outer circumference on the coating surface of the spectacle lens, and thereafter dripping (spiral-shaped drip part 26) the coating liquid in a spiral shape toward a geometrical center or an optical center of the spectacle lens from the vicinity of the outer circumference, wherein the coating surface has a convex curved shape, and a viscosity of the coating liquid is 25 to 500 cps at 25° C.

Abstract: A system comprises the step for applying a mark in advance in a reference position in which attachment of a lens holder is anticipated on a convex lens surface of a reference lens; the step for attaching the lens holder to the convex lens surface of the reference lens by using a holder attachment apparatus; and the step for comparing a position in which the lens holder is actually attached and a reference position in which the mark is applied on the lens. A cavity-shaped hole is formed in the holder so that a position of the mark on the reference lens can be observed when the lens holder is attached to the lens. In the comparison step, a toolmaker's microscope is used to observe the mark through the hole in the lens holder from a direction of the convex lens surface of the lens, an actual attachment position of the holder is compared to the reference position of the reference lens, and an attachment accuracy of the holder is verified.

Abstract: This apparatus includes a unit for adhering an elastic seal to a lens holder, a unit for causing the lens holder, to which the elastic seal is adhered, to hold a lens, a pivotal arm, an arm driving unit for pivoting the pivotal arm, a clamp unit attached to the pivotal arm to be vertically movable to hold the lens holder, and a clamp driving unit for vertically moving the clamp unit. The pivotal arm is pivoted to sequentially adhere the elastic seal to the lens holder and hold the lens by the lens holder.

Abstract: This apparatus includes a unit for adhering an elastic seal to a lens holder, a unit for causing the lens holder, to which the elastic seal is adhered, to hold a lens, a pivotal arm, an arm driving unit for pivoting the pivotal arm, a clamp unit attached to the pivotal arm to be vertically movable to hold the lens holder, and a clamp driving unit for vertically moving the clamp unit. The pivotal arm is pivoted to sequentially adhere the elastic seal to the lens holder and hold the lens by the lens holder.

Abstract: In a method of coloring a dye coating-formed lens by heating, the lens is subjected to half dyeing by changing the heating temperature depending on the lens site. This dyeing method involves heating a lens having a dye coating-formed on the surface thereof in a heating furnace to diffuse a dye into the lens. This method is carried out in a heating furnace having a frame section having the shape of a cube or rectangular parallelepiped, a heating section provided within the frame section, and an insertion port for inserting the lens provided on the bottom surface of the frame section. All or a part of the lens is inserted from the insertion port into a furnace inside of the heating furnace from the lower portion of the heating furnace and heated.