JPH0743575A - Production of optical fiber with mirror frame - Google Patents
Production of optical fiber with mirror frameInfo
- Publication number
- JPH0743575A JPH0743575A JP20889693A JP20889693A JPH0743575A JP H0743575 A JPH0743575 A JP H0743575A JP 20889693 A JP20889693 A JP 20889693A JP 20889693 A JP20889693 A JP 20889693A JP H0743575 A JPH0743575 A JP H0743575A
- Authority
- JP
- Japan
- Prior art keywords
- frame member
- glass material
- glass
- molding
- glass blank
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/79—Uniting product and product holder during pressing, e.g. lens and lens holder
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lens Barrels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、加熱軟化したガラス素
材を一対の成形型で挟持して光学素子を成形する際、枠
部材を光学素子と一体的に成形する鏡枠付き光学素子の
製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing an optical element with a lens frame, in which a frame member is integrally formed with an optical element when a glass material that has been softened by heating is sandwiched between a pair of molding dies to mold the optical element. Regarding the method.
【０００２】[0002]
【従来の技術】近年、ガラス素材を加熱炉内で加熱軟化
した後、一対の成形型で挟持成形する光学素子の製造方
法おいて、ガラス素材を保持して加熱炉内から一対の成
形型間に搬送する枠部材とガラス素材とを挟持成形時に
一体的に結合させることにより、光学機器の組立て時に
上記枠部材をレンズの組立て用の枠（鏡枠）として利用
できるようにした鏡枠付き光学素子の製造方法が用いら
れている。2. Description of the Related Art In recent years, in a method of manufacturing an optical element in which a glass material is heated and softened in a heating furnace and then sandwiched and molded by a pair of molding dies, a glass material is held and a space between a pair of molding dies is held from inside the heating furnace. An optical element with a lens frame, in which the frame member to be conveyed to and the glass material are integrally coupled at the time of sandwich molding so that the frame member can be used as a frame (lens frame) for assembling a lens when assembling an optical device. A device manufacturing method is used.
【０００３】例えば、特開昭６２−２９１６０９号公報
には、ガラス素材を保持する枠部材の内周面に凹凸部を
形成し、ガラス素材を加熱軟化した後、一対の成形型に
より上下から挟持成形してガラス素材を外周方向に流動
させて上記凹凸部にガラス成形品を密着結合して一体的
に製造し、ガラス成形品の経時変化による枠部材との結
合が低下してもガラス成形品が枠部材から抜け落ちない
ようにした鏡枠付き光学素子が提案されている。For example, in Japanese Patent Laid-Open No. 62-291609, an uneven portion is formed on the inner peripheral surface of a frame member for holding a glass material, the glass material is heated and softened, and then sandwiched from above and below by a pair of molding dies. Molded and made to flow the glass material in the outer peripheral direction, the glass molded product is closely bonded to the uneven portion to integrally manufacture, and the glass molded product is manufactured even if the bonding with the frame member is deteriorated due to the aging of the glass molded product. There has been proposed an optical element with a lens frame that prevents the lens from falling off the frame member.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の鏡枠付き光学素子を製造する方法にあっては、枠部
材の内面に凹凸部を成すスペースが必要でありかつ外周
方向にガラス素材の大きな流動量が要求されるが、挟持
成形中に加熱軟化されたガラス素材が枠部材の内面で冷
却されて硬くなるため成形押し込み量が不足して形状転
写性が得にくいという問題点があった。However, in the above-mentioned conventional method for manufacturing an optical element with a lens frame, a space for forming an uneven portion is required on the inner surface of the frame member, and a large glass material is formed in the outer peripheral direction. Although a flow rate is required, there is a problem in that the glass material that has been heated and softened during the sandwich molding is cooled and hardened on the inner surface of the frame member and the amount of molding indentation is insufficient and shape transferability is difficult to obtain.
【０００５】また、枠部材の内周面に凹凸面を形成する
ために、鏡枠となる枠部材の寸法がどうしても大きなも
のとなるため、現実の光学機器組立て時に組立ての用枠
として使用することは困難であった。そのため、後加工
で削って枠部材を小さくする必要があった。Further, since the concave-convex surface is formed on the inner peripheral surface of the frame member, the size of the frame member to be a mirror frame is inevitably large. Therefore, it should be used as a frame for assembling when actually assembling optical equipment. Was difficult. Therefore, it is necessary to reduce the size of the frame member by carrying out post-processing.
【０００６】さらに、両凸レンズのようにフチ肉が薄い
ガラス成形品の場合、枠部材の内周面に接する面積が小
さくなり、枠部際内面の凹部への流動が少なくなってガ
ラス成形品と枠部材との結合が不充分になるという問題
点があった。Further, in the case of a glass molded product having a thin edge such as a biconvex lens, the area in contact with the inner peripheral surface of the frame member becomes small, and the flow to the concave portion on the inner surface at the frame portion is reduced, so that the glass molded product is obtained. There is a problem that the connection with the frame member becomes insufficient.
【０００７】本発明は、上記従来技術の問題点に鑑みて
なされたものであって、成形中における枠部材との接触
によるガラス素材の冷却を軽減して転写性を向上させる
ことができるとともに、枠部材の寸法を小型化して後加
工を必要とせずに組立て用の枠として使用でき、かつ凸
レンズのようにフチ肉の薄いガラス成形品であっても充
分な結合が得られる鏡枠付き光学素子の製造方法を提供
することを目的とする。The present invention has been made in view of the above-mentioned problems of the prior art, and it is possible to reduce the cooling of the glass material due to the contact with the frame member during molding and improve the transferability. An optical element with a lens frame that can be used as a frame for assembly without requiring post-processing by reducing the size of the frame member, and that sufficient coupling can be obtained even with a glass molded product with a thin edge like a convex lens It aims at providing the manufacturing method of.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明の鏡枠付き光学素子の製造方法は、図１の概
念図で示すように構成した。まず、図１（ａ）に示すよ
うにガラス素材１を枠部材２の載置用突起部３に載置す
る。つぎに、図１（ｂ）に示すようにガラス素材１を加
熱軟化してその表面張力により中心に集中させて球状化
させることによって、ガラス素材１に載置用突起部３よ
り下方へ突出させた垂れ部４を生じさせる。その後、下
型５を上昇させ、図１（ｃ）に示すように下型５の成形
面５ａで垂れ部４を抱え込むように持ち上げてガラス素
材１のフチ部分７を外周方向に流動させ、載置用突起部
３の下方にガラス素材１を回り込ませる。また、図１
（ｂ）に示すように、上型６の成形面６ａとガラス素材
１の上面とを接触してガラス素材１を下型５と上型６と
により挟持成形し、ガラス成形品８のフチ部分７で上下
供載置用突起部３を挟み込むようにしてガラス成形品８
と枠部材２とを一体的に結合する。In order to achieve the above object, the method of manufacturing an optical element with a lens frame of the present invention is configured as shown in the conceptual diagram of FIG. First, as shown in FIG. 1A, the glass material 1 is mounted on the mounting projection 3 of the frame member 2. Next, as shown in FIG. 1 (b), the glass material 1 is heated and softened, and the surface tension thereof causes the glass material 1 to be concentrated in the center of the glass material so that the glass material 1 is made spherical, so that the glass material 1 is projected downward from the mounting projection 3. The hanging portion 4 is generated. After that, the lower die 5 is lifted and lifted so that the drooping portion 4 is held by the molding surface 5a of the lower die 5 as shown in FIG. 1 (c) to flow the edge portion 7 of the glass material 1 in the outer peripheral direction, and mount it. The glass material 1 is made to wrap around below the mounting projection 3. Also, FIG.
As shown in (b), the molding surface 6a of the upper mold 6 and the upper surface of the glass material 1 are brought into contact with each other to sandwich and mold the glass material 1 by the lower mold 5 and the upper mold 6, and the edge portion of the glass molded product 8 is formed. A glass molded product 8 with the upper and lower mounting protrusions 3 sandwiched between them.
And the frame member 2 are integrally connected.
【０００９】[0009]
【作用】上記構成によれば、枠部材２に設けた載置用突
起部３の上下にガラス素材１のフチ部分７が回り込んで
喰え込む形で形成されてガラス成形品が枠部材２に結合
され、成形後に枠部材２を鏡枠としてしようするに充分
な結合強度が得られる。また、ガラス成形品８と枠部材
２とは載置用突起部３における結合のため、ガラス素材
１に大きな流動を要せずに強固に結合されるとともに、
ガラス素材１と鏡枠部材２との接触面積が小さいので、
枠部材２からガラス素材１への熱的影響が小さくなり形
状転写性が損なわれない。According to the above-described structure, the glass molding is formed on the frame member 2 by forming the edge portion 7 of the glass material 1 around and above the mounting projection 3 provided on the frame member 2 so as to bite into the frame member 2. A sufficient bonding strength is obtained so that the frame member 2 is bonded and used as a lens frame after molding. Further, since the glass molded product 8 and the frame member 2 are coupled at the mounting projection 3, the glass material 1 is firmly coupled without requiring a large flow, and
Since the contact area between the glass material 1 and the lens frame member 2 is small,
The thermal effect from the frame member 2 on the glass material 1 is reduced, and the shape transferability is not impaired.
【００１０】[0010]
【実施例１】図２は、本発明の実施例１を示す工程図
で、図２（ａ）はガラス素材１の加熱軟化前を示す断面
図、図２（ｂ）はガラス素材１の加熱軟化状態を示す断
面図、図２（ｃ）はガラス素材１に対する上型６及び下
型５の接近途上状態を示す断面酢、図２（ｂ）は上型６
と下型５によるガラス素材１の挟持成形状態を示す断面
図である。Example 1 FIG. 2 is a process diagram showing Example 1 of the present invention, FIG. 2 (a) is a cross-sectional view showing the glass material 1 before heating and softening, and FIG. 2 (b) is heating of the glass material 1. 2C is a sectional view showing a softened state, FIG. 2C is a sectional vinegar showing a state where the upper mold 6 and the lower mold 5 are approaching the glass material 1, and FIG.
FIG. 3 is a cross-sectional view showing a state where the glass material 1 is sandwiched and molded by a lower mold 5 and
【００１１】まず、図２（ａ）に示すように、ＳＫ１１
のガラス素材１（外径１０ｍｍ、厚さ２．５ｍｍ）をガ
ラス素材搬送用の枠部材２の内周面に形成した載置用突
起部３に載置する。この枠部材２は、材質にＷ−Ｃｒ−
Ｎｉ−Ｍｏの結合体あるいはステンレス系の合金を使用
し、その表面を気相でＴｉ−Ｎコートしたものが好適で
ある。また、載置用突起部３は、その載置幅が０．５〜
１ｍｍで内径がφ８〜９ｍｍ程度のものが良い。First, as shown in FIG. 2A, SK11
The glass material 1 (having an outer diameter of 10 mm and a thickness of 2.5 mm) is mounted on the mounting projection 3 formed on the inner peripheral surface of the frame member 2 for transporting the glass material. The frame member 2 is made of W-Cr-
It is preferable to use a Ni-Mo combination or a stainless steel alloy, the surface of which is coated with Ti-N in the vapor phase. In addition, the mounting projection 3 has a mounting width of 0.5 to
It is preferable that the inner diameter is 1 mm and the inner diameter is about 8 to 9 mm.
【００１２】つぎに、ガラス素材１を８２０〜８８０℃
に加熱して軟化させ、ガラス素材１の表面張力によりガ
ラス素材１を球形状とし、図２（ｂ）に示すように、ガ
ラス素材１を載置用突起部３にぶら下がった状態で、ガ
ラス素材１にその下部を載置用突起部３より下方に大き
く突出させた垂れ部４を形成する。Next, the glass material 1 is heated to 820 to 880 ° C.
2 to make the glass material 1 spherical by the surface tension of the glass material 1, and the glass material 1 is hung on the mounting projection 3 as shown in FIG. 2 (b). 1 is formed with a hanging portion 4 whose lower portion is protruded largely below the mounting projection 3.
【００１３】その後、下型５および上型６をガラス素材
１に接近させ、図２（ｃ）に示すように、下型５の成形
面５ａにより垂れ部４を下方から抱え込むように持ち上
げ、ガラス素材１のフチ部分７を外周方向に流動させて
載置用突起部３の下側にガラス素材１を回り込ませる。
この時の型温は５２０〜５４０℃が好適である。上記下
型５及び上型６は、型材にＷＣ系焼結体を用い、成形面
５ａ，６ａを鏡面に研磨してその表面を気相でＣｒ−Ｎ
コートしたものを使用している。After that, the lower mold 5 and the upper mold 6 are brought close to the glass material 1, and as shown in FIG. 2 (c), the molding surface 5a of the lower mold 5 lifts the sagging portion 4 so as to hold it from below, and The edge portion 7 of the material 1 is caused to flow in the outer peripheral direction so that the glass material 1 is wrapped around the lower side of the mounting projection 3.
The mold temperature at this time is preferably 520 to 540 ° C. The lower mold 5 and the upper mold 6 use a WC-based sintered body as a mold material, and the molding surfaces 5a and 6a are mirror-polished and the surfaces thereof are vapor-phase Cr-N.
I am using a coated one.
【００１４】さらに、下型５及び上型６により所定の押
圧力でガラス素材１を挟持し、図２（ｂ）に示すよう
に、ガラス素材１のフチ部分７が上下とも載置用突起部
３を挟み込むように成形する。そして、この状態で保持
しつつガラス温度から５００〜５３０℃になるまで冷却
し、適宜枠部材２の外周からＮ2 等の不活性ガスを１ｋ
ｇｆ／ｃｍ2 ，６リットル／分，２０〜２４℃の状態で
吹き付けた後、ガラス成形品８から上下両型６，５を離
型開放する。Further, the glass material 1 is sandwiched by the lower die 5 and the upper die 6 with a predetermined pressing force, and as shown in FIG. Mold so that 3 is sandwiched. Then, while maintaining this state, the glass temperature is cooled to 500 to 530 ° C., and 1 k of an inert gas such as N 2 is appropriately supplied from the outer periphery of the frame member 2.
After spraying under the conditions of gf / cm 2 , 6 liter / min and 20 to 24 ° C., the upper and lower molds 6 and 5 are released from the glass molded product 8.
【００１５】本実施例によれば、枠部材２の載置用突起
部３のみをガラス素材１で喰え込んて枠部材３とガラス
成形品８を一体的に結合できるため、ガラス素材１の載
置用突起部３がそのままガラス成形品８と枠部材３との
接合部となり、ガラス素材１と枠部材２との接触面積を
小さくすることができる。このため、ガラス素材１に対
する枠部材２からの熱的影響が小さくなり、挟持成形時
における形状転写性がよくなる。また、ガラス素材１が
載置用突起部３を喰え込むのに大きな流動を必要とせず
に結合できるので、成形に用いるガラス素材１の量が成
形部分（レンズ部分）以外に１０〜２０％増した程度で
充分となる。さらに、ガラス素材１と枠部材３を結合す
る部分を小さくできるので枠部材３を必要以上に大きく
したり、あるいは内周面に結合用の凹凸部分を設ける必
要がなくなり、小型化が可能でコストも安価に製造する
ことができる。According to this embodiment, since only the mounting projection 3 of the frame member 2 can be eaten by the glass material 1 and the frame member 3 and the glass molded product 8 can be integrally connected, the mounting of the glass material 1 is possible. The placement projection 3 directly serves as a joint between the glass molded product 8 and the frame member 3, and the contact area between the glass material 1 and the frame member 2 can be reduced. Therefore, the thermal effect of the frame member 2 on the glass material 1 is reduced, and the shape transferability during the sandwich molding is improved. In addition, since the glass material 1 can be combined without requiring a large flow to eat the mounting projection 3, the amount of the glass material 1 used for molding is increased by 10 to 20% in addition to the molding portion (lens portion). It's enough. Further, since the portion connecting the glass material 1 and the frame member 3 can be made small, it is not necessary to make the frame member 3 larger than necessary, or it is not necessary to provide an uneven portion for connection on the inner peripheral surface, which enables downsizing and cost reduction. Can be manufactured at low cost.
【００１６】[0016]
【実施例２】以下、図３に基づき本発明の実施例２を説
明する。図３はガラス素材１を加熱軟化した後、一対の
下型５と上型６により挟持成形した状態をしめす断面図
である。本実施例では、搬送皿９の内周面に形成した段
部１０に枠部材１１を着脱自在に載置し、この枠部材１
１上に加熱前のガラス素材１を載置する。Second Embodiment A second embodiment of the present invention will be described below with reference to FIG. FIG. 3 is a cross-sectional view showing a state where the glass material 1 is heated and softened and then sandwiched and molded by a pair of a lower mold 5 and an upper mold 6. In this embodiment, the frame member 11 is detachably mounted on the step portion 10 formed on the inner peripheral surface of the transport tray 9, and the frame member 1
The glass material 1 before heating is placed on 1.
【００１７】つぎに、上記実施例１の同様に、ガラス素
材１を加熱軟化しガラス素材１の下部に垂れ部を形成し
て枠部材１１の下方に垂れさせ、その後下型５と上型６
とによりガラス素材１を挟持成形して枠部材１１に喰え
込ませて、ガラス成形品と枠部材１１とを一体的に結合
する。そして、枠部材１１を搬送皿９から分離し、ガラ
ス成形品を枠部材１１とともに搬送皿９から取り出す。
なお、その他の製造方法、成形条件、その作用及びガラ
ス素材１の材料、枠部材１１の材料は上記実施例１と同
様である。また、搬送皿９は、材料にＷ−Ｃｒ−Ｎｉ−
Ｍｏの焼結体あるいはステンレス系の合金を用いてＴｉ
−Ｎコートを気相で施して形成してある。Next, as in Example 1, the glass material 1 is heated and softened to form a sloping portion in the lower portion of the glass material 1 so that the glass material 1 hangs down below the frame member 11, and then the lower die 5 and the upper die 6 are placed.
The glass material 1 is sandwiched and formed by and is made to bite into the frame member 11, and the glass molded product and the frame member 11 are integrally coupled. Then, the frame member 11 is separated from the carrying tray 9, and the glass molded product is taken out from the carrying tray 9 together with the frame member 11.
The other manufacturing methods, molding conditions, their functions, the material of the glass material 1, and the material of the frame member 11 are the same as those in the first embodiment. The material of the transport tray 9 is W-Cr-Ni-.
Using Mo sintered body or stainless alloy, Ti
-N coat is formed in the vapor phase.
【００１８】本実施例によれば、搬送皿９と枠部材１１
とを別体としたので、搬送皿９からの光学素子の取り出
しが容易になり、また、枠部材１１の小型化を図ること
ができる。さらに、枠部材１１が別体であるため搬送皿
９とガラス素材１との接触面積を小さくできるので、搬
送皿９からの熱的影響を極小にできるため、ガラス成形
品の形状転写性が良好になる。According to this embodiment, the tray 9 and the frame member 11 are provided.
Since the and are separated from each other, the optical element can be easily taken out from the carrying tray 9, and the frame member 11 can be downsized. Furthermore, since the frame member 11 is a separate body, the contact area between the transport tray 9 and the glass material 1 can be made small, so that the thermal influence from the transport tray 9 can be minimized, and the shape transferability of the glass molded product is good. become.
【００１９】[0019]
【実施例３】以下、図４に基づき本発明の実施例３を説
明する。図４はガラス素材１を加熱軟化した後、一対の
下型５と上型６により挟持成形した状態を示す断面図で
ある。本実施例は、上記実施例２と同様に、搬送皿９に
枠部材１２の分離自在に載置し、この枠部際１２にガラ
ス素材１を載置する構成としてある。Third Embodiment A third embodiment of the present invention will be described below with reference to FIG. FIG. 4 is a cross-sectional view showing a state in which the glass material 1 is heated and softened, and then sandwiched and molded by a pair of a lower mold 5 and an upper mold 6. In this embodiment, similarly to the second embodiment, the frame member 12 is placed on the transport tray 9 in a separable manner, and the glass material 1 is placed on the frame portion 12.
【００２０】搬送皿９は、実施例２と同等形状に形成さ
れ、搬送用の形状（成形機の搬送装置に対応した外周及
び内周等の形状）及び枠部材１２を載置する段部１０
は、田品目に利用可能とすべく標準的な形状に形成され
ている。また、枠部材１２は、その内周面にガラス素材
１を載置しかつ結合するための突起部１３が設けられて
いる。また、枠部材１２の外周面には、鏡枠組立て時に
都合のよい組段部１４が形成され、ガラス成形品を成形
して搬送皿９から取り出し後、直ちに枠部材１２に加工
を施すことなく鏡枠に組立て得るようになっている。The transfer tray 9 is formed in the same shape as that of the second embodiment, and has a transfer shape (a shape such as an outer circumference and an inner circumference corresponding to the transfer device of the molding machine) and a step portion 10 on which the frame member 12 is placed.
Is formed into a standard shape so that it can be used for rice fields. Further, the frame member 12 is provided with a protrusion 13 for mounting and bonding the glass material 1 on the inner peripheral surface thereof. Further, a stepped portion 14 convenient for assembling the lens frame is formed on the outer peripheral surface of the frame member 12, and after the glass molded product is molded and taken out from the carrying tray 9, the frame member 12 is not immediately processed. It is designed to be assembled into a lens frame.
【００２１】以下に、本実施例の製造方法を説明する
と、まず、搬送皿９の段部１０に枠部材１２を載置し、
枠部材１２の突起部１３に上にガラス素材１を載置す
る。あるいは、枠部材１２の突起部１３にガラス素材１
を載置して枠部材１２を搬送皿９の段部１０に載置す
る。The manufacturing method of this embodiment will be described below. First, the frame member 12 is placed on the step portion 10 of the carrying tray 9,
The glass material 1 is placed on the protrusions 13 of the frame member 12. Alternatively, the glass material 1 is attached to the protrusion 13 of the frame member 12.
And the frame member 12 is placed on the stepped portion 10 of the transport tray 9.
【００２２】つぎに、ガラス素材１を加熱軟化して、上
記各実施例と同様にガラス素材１の下部に垂れ部を形成
し、この垂れ部を枠部材１２の突起部１３より下方に突
出させる。その後、下型５と上型６とによりガラス素材
１を挟持成形してガラス素材１のフチ部分７を突起部１
３に喰え込ませ、実施例１と同様にガラス成形品と枠部
材１２とを一体的に結合する。そして、ガラス成形品を
枠部材１２とともに搬送皿９から取り出す。なお、その
他の製造方法、成形条件、その作用及びガラス素材１の
材料、枠部材１２の材料は上記実施例１と同様である。
また、搬送皿９は、その材料にＷ−Ｃｒ−Ｎｉ−Ｍｏの
焼結体あるいはステンレス系の合金を用いてＴｉ−Ｎコ
ートを気相で施して形成したものを使用するとよい。Next, the glass material 1 is softened by heating to form a sloping portion in the lower portion of the glass material 1 as in each of the above-described embodiments, and the sloping portion is made to project downward from the projection 13 of the frame member 12. . After that, the glass material 1 is sandwiched and molded by the lower mold 5 and the upper mold 6 so that the edge portion 7 of the glass material 1 is protruded.
3, and the glass molded product and the frame member 12 are integrally coupled as in the first embodiment. Then, the glass molded product is taken out from the carrying tray 9 together with the frame member 12. The other manufacturing methods, molding conditions, their functions, the material of the glass material 1, and the material of the frame member 12 are the same as those in the first embodiment.
Further, the transport tray 9 may be formed by applying a Ti—N coat in a vapor phase using a sintered body of W—Cr—Ni—Mo or a stainless alloy as its material.
【００２３】本実施例によれば、搬送皿９の繰り返し使
用が可能となり、また、外形寸法を同等しその内径寸法
が異なる枠部材１２に変更することによって多様なガラ
ス成形品とした多品目対応できるため、製造上のコスト
が安価となる。さらに、枠部材１２の外周面に鏡枠組立
て時に都合のよい段部１４を形成してあるので、枠部材
１２の外周加工工程が省略できる。そのため、成形後直
ちに組立て工程に入ることができ、組上がりまでの経過
日数を短縮することができる。その他の効果は上記実施
例１，２と同様である。According to the present embodiment, the transport tray 9 can be repeatedly used, and by changing the frame member 12 having the same outer dimensions but different inner diameters, various glass molded articles can be used for various items. Therefore, the manufacturing cost is low. Further, since the step portion 14 which is convenient for assembling the lens frame is formed on the outer peripheral surface of the frame member 12, the outer peripheral processing step of the frame member 12 can be omitted. Therefore, the assembly process can be started immediately after molding, and the number of days elapsed until the assembling can be shortened. The other effects are similar to those of the first and second embodiments.
【００２４】[0024]
【発明の効果】以上のように、本発明の鏡枠付き光学素
子の製造方法によれば、ガラス素材が枠部材に大きな面
積で接触せずに小さな面積で結合できるため、枠部材か
らのガラス素材への熱的影響が小さくなり、ガラス素材
の形状転写性を良好とすることができる。また、枠部材
自体の小型化を図ることができるため、枠部材の熱的影
響を更に小さくすることができる。さらに、枠部材の小
型化により成形後における枠部材外形の研削加工工程を
削減あるいは廃止することができるため、製造工程省略
により安価に製造できる。また、凸レンズのようにフチ
肉の薄い成形品にあってもガラス素材の外周部が枠部材
の載置部を喰え込むため、充分なガラス成形品と枠部材
との結合力が得られる。As described above, according to the method of manufacturing an optical element with a lens frame of the present invention, the glass material can be bonded in a small area without coming into contact with the frame member in a large area. The thermal effect on the material is reduced, and the shape transferability of the glass material can be improved. Further, since the frame member itself can be downsized, the thermal influence of the frame member can be further reduced. Further, since the frame member can be downsized and the step of grinding the outer shape of the frame member after molding can be reduced or eliminated, the manufacturing process can be omitted and the manufacturing cost can be reduced. Further, even in a molded product having a thin wall such as a convex lens, the outer peripheral portion of the glass material bites the mounting portion of the frame member, so that sufficient bonding force between the glass molded product and the frame member can be obtained.
【図１】本発明の製造工程を示す概念図である。FIG. 1 is a conceptual diagram showing a manufacturing process of the present invention.
【図２】本発明の実施例１の製造工程を概略的に示す断
面図である。FIG. 2 is a cross-sectional view schematically showing the manufacturing process of Example 1 of the present invention.
【図３】本発明の実施例２におけるガラス素材を上下両
型で挟持成形している工程を概略的に示す断面図であ
る。FIG. 3 is a cross-sectional view schematically showing a process of sandwiching and molding a glass material by both upper and lower molds in Example 2 of the present invention.
【図４】本発明の実施例３におけるガラス素材を上下両
型で挟持成形している工程を概略的に示す断面図であ
る。FIG. 4 is a cross-sectional view schematically showing a step of sandwiching and molding a glass material in both upper and lower molds in Example 3 of the present invention.
１ ガラス素材 ２ 枠部材 ３ 載置用突起部 ４ 垂れ部 ５ 下型 ６ 上型 ７ フチ部分 1 Glass Material 2 Frame Member 3 Mounting Protrusion 4 Sagging 5 Lower Mold 6 Upper Mold 7 Edge Part
Claims (1)
により挟持成形してなる鏡枠付き光学素子の製造方法に
おいて、枠部材の載置部にガラス素材を載置して加熱軟
化しその表面張力により中心部にガラス素材を集中させ
るこにより、ガラス素材の下部を枠部材の載置部より下
方に回り込ませ、その後上型と下型とによりガラス素材
を挟持成形してガラス素材の外周部で上記載置部を挟持
させガラス成形品と枠部際とを一体的に結合することを
特徴とする鏡枠付き光学素子の製造方法。1. A method of manufacturing an optical element with a lens frame, which comprises sandwiching and molding a heat-softened glass material with a pair of molding dies, wherein the glass material is placed on a placement portion of a frame member to be heat-softened and the surface thereof. By concentrating the glass material in the central part by tension, the lower part of the glass material wraps around below the mounting part of the frame member, and then the upper and lower molds sandwich and mold the glass material to form the outer peripheral part of the glass material. 2. A method for manufacturing an optical element with a lens frame, wherein the glass molding and the edge of the frame are integrally connected by sandwiching the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20889693A JP3353958B2 (en) | 1993-07-30 | 1993-07-30 | Optical element manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20889693A JP3353958B2 (en) | 1993-07-30 | 1993-07-30 | Optical element manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0743575A true JPH0743575A (en) | 1995-02-14 |
| JP3353958B2 JP3353958B2 (en) | 2002-12-09 |
Family
ID=16563930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20889693A Expired - Fee Related JP3353958B2 (en) | 1993-07-30 | 1993-07-30 | Optical element manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3353958B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162481A2 (en) * | 2000-06-07 | 2001-12-12 | Enplas Corporation | Image pickup lens system |
| EP1455211A2 (en) * | 2003-03-07 | 2004-09-08 | Alps Electric Co., Ltd. | Lens mount with an integrated lens |
| JP2007133197A (en) * | 2005-11-11 | 2007-05-31 | Olympus Corp | Optical component and its manufacture method |
| US7386998B2 (en) * | 2003-03-25 | 2008-06-17 | Alps Electric Co., Ltd. | Method of manufacturing holder-mounted optical element |
-
1993
- 1993-07-30 JP JP20889693A patent/JP3353958B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1162481A2 (en) * | 2000-06-07 | 2001-12-12 | Enplas Corporation | Image pickup lens system |
| JP2001350075A (en) * | 2000-06-07 | 2001-12-21 | Enplas Corp | Image pickup lens |
| EP1162481A3 (en) * | 2000-06-07 | 2004-01-02 | Enplas Corporation | Image pickup lens system |
| EP1455211A2 (en) * | 2003-03-07 | 2004-09-08 | Alps Electric Co., Ltd. | Lens mount with an integrated lens |
| EP1455211A3 (en) * | 2003-03-07 | 2004-09-15 | Alps Electric Co., Ltd. | Lens mount with an integrated lens |
| US7180688B2 (en) | 2003-03-07 | 2007-02-20 | Alps Electric Co., Ltd. | Holder/optical-element assembly |
| US7386998B2 (en) * | 2003-03-25 | 2008-06-17 | Alps Electric Co., Ltd. | Method of manufacturing holder-mounted optical element |
| JP2007133197A (en) * | 2005-11-11 | 2007-05-31 | Olympus Corp | Optical component and its manufacture method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3353958B2 (en) | 2002-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1008891B1 (en) | Polarizing lens for sunglasses, method and apparatus for producing said lens | |
| JPH0743575A (en) | Production of optical fiber with mirror frame | |
| JP3748971B2 (en) | Mold manufacturing method | |
| US6823694B2 (en) | Method of manufacturing glass optical elements | |
| JPH07122688B2 (en) | Optical element with carrier | |
| US20060180909A1 (en) | Optical device package | |
| JP2621956B2 (en) | Optical element molding method | |
| JPH11130448A (en) | Optical element and its production and mold for forming optical element used for the same | |
| JPH0756707B2 (en) | Manufacturing method of lens with carrier | |
| JP3162178B2 (en) | Method for molding optical glass element | |
| JPH09255344A (en) | Molding die for glass made tray | |
| JP2572047B2 (en) | Glass press equipment members | |
| JP2501588B2 (en) | Mold for press molding optical glass element and molding method thereof | |
| JPH07138035A (en) | Forming equipment of optical element | |
| JP2909573B2 (en) | Method for producing thermosetting resin lens for spectacles and shaping support used in the method | |
| JP2005111767A (en) | Plastic film laminate and its manufacturing method | |
| JP3153827B2 (en) | Optical element molding die | |
| JPH06278223A (en) | Production of resin container | |
| JPH08208246A (en) | Glass press mold | |
| JP2002145630A (en) | Method of manufacturing glass optical element | |
| JPH05319839A (en) | Die for forming optical element | |
| JP2002284535A (en) | Mold for forming optical element and method for producing optical element | |
| JP3220515B2 (en) | Optical element molding method | |
| JPH04162025A (en) | Joining aspherical lens | |
| JPH07267654A (en) | Method for forming optical element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20020910 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080927 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080927 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090927 Year of fee payment: 7 |
|
| LAPS | Cancellation because of no payment of annual fees |