JP2000090623A - Disk cartridge - Google Patents
Disk cartridgeInfo
- Publication number
- JP2000090623A JP2000090623A JP25393398A JP25393398A JP2000090623A JP 2000090623 A JP2000090623 A JP 2000090623A JP 25393398 A JP25393398 A JP 25393398A JP 25393398 A JP25393398 A JP 25393398A JP 2000090623 A JP2000090623 A JP 2000090623A
- Authority
- JP
- Japan
- Prior art keywords
- case
- halves
- case half
- upright portion
- upright
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/126—Tenon and mortise joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2017/00—Carriers for sound or information
- B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
- B29L2017/003—Records or discs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、フロッピーディス
ク装置や光ディスク等の情報記録再生装置の記録媒体と
して使用されるディスクカートリッジに関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk cartridge used as a recording medium for an information recording / reproducing apparatus such as a floppy disk drive and an optical disk.
【0002】[0002]
【従来の技術】図5〜図7は従来のディスクカートリッ
ジを示す図であり、図5は分解斜視図、図6(a),
(b)は各ケースハーフを内側から見た図、図7は起立
部の構成図である。2. Description of the Related Art FIGS. 5 to 7 are views showing a conventional disk cartridge, FIG. 5 is an exploded perspective view, and FIGS.
(B) is a diagram of each case half as viewed from the inside, and FIG. 7 is a configuration diagram of the upright portion.
【0003】内部にディスク状の記録媒体3を回転自在
に収納するカートリッジケースは、互いに対向する上下
一対の硬質合成樹脂製のケースハーフ(以下、「ハー
フ」と略)1,2を対面させ、超音波溶着することによ
り形成されている。各ハーフ1,2はプレート部1a,
2aと、該プレート部1a,2a同士の対向面から突設
されたボス状の連結用起立部4,5を有している。起立
部4は、その先端面から凹陥する凹穴6を有しており、
この凹穴6の入口部分の内周縁に段部7が周設されてい
る。7aは段部7の底面、7bは段部7の周壁面を示
す。この段部7の底面7aには超音波溶着用のリブ8が
設けられている。このリブ8は、超音波溶着時に発生す
る摩擦熱によって軟化ないし溶融する。[0003] A cartridge case in which a disk-shaped recording medium 3 is rotatably housed has a pair of upper and lower hard synthetic resin case halves (hereinafter abbreviated as "half") 1 and 2 facing each other. It is formed by ultrasonic welding. Each half 1 and 2 is a plate part 1a,
2a, and boss-shaped connecting upright portions 4 and 5 projecting from opposing surfaces of the plate portions 1a and 2a. The upright portion 4 has a concave hole 6 that is recessed from the tip surface thereof,
A step 7 is provided around the inner peripheral edge of the entrance of the concave hole 6. Reference numeral 7a denotes a bottom surface of the step 7, and 7b denotes a peripheral wall surface of the step 7. A rib 8 for ultrasonic welding is provided on a bottom surface 7a of the step portion 7. The ribs 8 are softened or melted by frictional heat generated during ultrasonic welding.
【0004】起立部5は、その先端面から凹陥する凹穴
9を備えている。ハーフ1,2同士を結合するには、図
7(a),(c),(d)の如く起立部5を起立部4の
段部7に差し込み、超音波振動を加えて超音波溶着す
る。リブ8が起立部5の先端面との摩擦熱によって軟化
ないし溶融し、このリブ8の軟化物ないし溶融物が段部
底面7aと起立部5の先端面との間に広がる。超音波振
動の印加を停止すると、この軟化ないし溶融物が冷却固
化し、起立部4,5同士の結合が完成する。[0004] The upright portion 5 is provided with a concave hole 9 which is recessed from the front end surface. In order to join the halves 1 and 2, the upright portion 5 is inserted into the step portion 7 of the upright portion 4 as shown in FIGS. 7 (a), 7 (c) and 7 (d), and ultrasonic welding is performed by applying ultrasonic vibration. . The rib 8 is softened or melted by frictional heat with the tip surface of the upright portion 5, and the softened material or molten material of the rib 8 spreads between the step bottom surface 7 a and the tip surface of the upright portion 5. When the application of the ultrasonic vibration is stopped, the softened or molten material is cooled and solidified, and the connection between the upright portions 4 and 5 is completed.
【0005】なお、このハーフ1,2の起立部4,5と
ハーフ1,2の合わせ面との関係は、図8の通り、起立
部4の先端面がハーフ1,2の合わせ面Fと面一となる
ものである。符号10は超音波溶着機(とくにホーン)
を示す。The relationship between the raised portions 4 and 5 of the halves 1 and 2 and the mating surfaces of the halves 1 and 2 is as shown in FIG. It will be flush. Reference numeral 10 denotes an ultrasonic welding machine (particularly a horn).
Is shown.
【0006】[0006]
【発明が解決しようとする課題】起立部4,5同士の超
音波溶着による結合力を高めるために図9のようにリブ
8の高さを大きくし、超音波溶着時に生じる軟化ないし
溶融物の量を多くすることが考えられる。The height of the ribs 8 is increased as shown in FIG. 9 in order to increase the bonding force of the standing portions 4 and 5 by ultrasonic welding, and the softened or molten material generated during ultrasonic welding is formed. It is conceivable to increase the amount.
【0007】ところが、このように単にリブ8を高くし
た場合、超音波溶着前のハーフ1,2同士の組み合わせ
体における起立部4,5の嵌合深さが小さくなり、超音
波溶着時に起立部4,5の嵌合が外れハーフ1,2同士
がずれてしまう恐れがある。(また、このため、予定外
の箇所でハーフ1,2同士が超音波溶着してしまうこと
があり、バリがケースの側端面からはみ出ることもあ
る。)この対策として、図10のように段部7の深さを
大きくし、これに対応して起立部5の長さ(高さ)を大
きくすることが考えられる。しかしながら、このように
起立部5を長くした場合には、起立部5を経て超音波溶
着面に伝わる超音波振動がかなり減衰してしまい、溶着
不良となるおそれがあり、これを防止するためには超音
波溶着機10の出力を増大させる必要がある。However, when the ribs 8 are simply raised in this way, the fitting depths of the upright portions 4 and 5 in the combined body of the halves 1 and 2 before ultrasonic welding become small, and the upstanding portions at the time of ultrasonic welding are reduced. There is a possibility that the fitting of the halves 4 and 5 may be disengaged and the halves 1 and 2 may be displaced from each other. (Because of this, the halves 1 and 2 may be ultrasonically welded to each other at an unexpected location, and burrs may protrude from the side end surface of the case.) As a countermeasure, as shown in FIG. It is conceivable to increase the depth of the portion 7 and correspondingly increase the length (height) of the upright portion 5. However, when the standing portion 5 is lengthened in this way, the ultrasonic vibration transmitted to the ultrasonic welding surface via the standing portion 5 is considerably attenuated, which may result in poor welding. Needs to increase the output of the ultrasonic welding machine 10.
【0008】本発明は超音波溶着機出力を増大させるこ
となくこのケースハーフの起立部同士の結合をきわめて
堅固なものとすることができるディスクカートリッジを
提供することを目的とする。An object of the present invention is to provide a disk cartridge which can make the connection between the upright portions of the case halves extremely strong without increasing the output of the ultrasonic welding machine.
【0009】[0009]
【課題を解決するための手段】本発明のディスクカート
リッジは、カートリッジケース内にディスク状の記録媒
体を回転自在に収納したディスクカートリッジであっ
て、該カートリッジケースは、1対のプレート状のケー
スハーフを対面させて超音波溶着したものであり、各ケ
ースハーフは、プレート部と、該プレート部の対向面に
立設された柱状の結合用起立部とを有してなり、一方の
第1のケースハーフの起立部にあっては、先端面に凹穴
が形成されており、該先端面の凹穴内周面に沿って段部
が形成され、該段部は、前記プレート部と略平行な段部
底面と、該底面から立ち上がる段部周壁面とで囲まれて
おり、他方の第2のケースハーフの起立部は、その先端
が該段部に嵌合し、その先端面が該段部底面に超音波溶
着されているディスクカートリッジにおいて、該第1の
ケースハーフの起立部は、該第1及び第2のケースハー
フの合わせ面よりも突出していることを特徴とするもの
である。A disk cartridge according to the present invention is a disk cartridge in which a disk-shaped recording medium is rotatably housed in a cartridge case, the cartridge case comprising a pair of plate-shaped case halves. And each case half has a plate portion and a column-shaped coupling upright portion erected on an opposing surface of the plate portion. In the upright portion of the case half, a concave hole is formed in the distal end surface, a step is formed along the inner peripheral surface of the concave hole of the distal end surface, and the step is substantially parallel to the plate portion. The second case half is surrounded by a step bottom surface and a step peripheral wall rising from the bottom surface. The ultrasonically welded disc on the bottom In the cartridge, the standing portion of the first case half is characterized in that protrudes from the first and the mating surfaces of the second case half.
【0010】かかる本発明のディスクカートリッジにあ
っては、第1のケースハーフの起立部の先端がハーフ同
士の合わせ面よりも突出しているため、段部底面の位置
を従来と同等とした場合であっても、段部の深さを大き
くとることができる。そして段部底面のリブの高さを大
きくしても、超音波溶着直前のハーフ同士の組み合わせ
体における起立部の嵌合深さ(第2のケースハーフの起
立部が第1のケースハーフの段部に入り込む深さ)を十
分に大きなものとすることができる。In the disk cartridge according to the present invention, since the tip of the upright portion of the first case half projects beyond the mating surface of the halves, the position of the bottom surface of the step is equal to that of the conventional case. Even so, the depth of the step can be increased. Even if the height of the rib on the bottom of the step portion is increased, the fitting depth of the upright portion in the combined body of the halves immediately before the ultrasonic welding (the upright portion of the second case half is the step of the first case half) (Depth into the part) can be made sufficiently large.
【0011】このようなことから、本発明によると、リ
ブ高さを大きくして起立部同士の結合力を増大させるこ
とが可能となると共に、超音波溶着時の各ハーフの起立
部同士の嵌合深さを十分なものとすることにより超音波
溶着時のハーフの位置ずれを防止することが可能とな
り、ケースハーフ同士の結合がきわめて強固で超音波溶
着による歩留りも高くなる。From the above, according to the present invention, it is possible to increase the height of the ribs to increase the bonding force between the upright portions, and to fit the upright portions of the halves during ultrasonic welding. By making the joint depth sufficient, it is possible to prevent the displacement of the halves at the time of ultrasonic welding, the connection between the case halves is extremely strong, and the yield by ultrasonic welding is increased.
【0012】本発明では、この段部の周壁面と起立部先
端面との交叉角部を曲面又は斜面とすることにより、第
1のケースハーフの起立部を段部に挿入し易くなる。In the present invention, the upright portion of the first case half can be easily inserted into the step portion by forming the intersection between the peripheral wall surface of the step portion and the tip surface of the upright portion as a curved surface or a slope.
【0013】[0013]
【発明の実施の形態】以下に本発明の実施の形態を詳細
に説明する。Embodiments of the present invention will be described below in detail.
【0014】図1〜3は、実施の形態に係るディスクカ
ートリッジの超音波溶着部の構成を示すものであり、図
1はハーフ1,2を離した状態の断面図、図2はハーフ
1,2同士を組み合わせた状態の断面図、図3は超音波
溶着後の断面図である。1 to 3 show the structure of an ultrasonic welding portion of a disk cartridge according to an embodiment. FIG. 1 is a sectional view showing a state in which halves 1 and 2 are separated, and FIG. FIG. 3 is a cross-sectional view of a state where the two are combined, and FIG. 3 is a cross-sectional view after ultrasonic welding.
【0015】この実施の形態にあっては、ハーフ1の起
立部4がハーフ1,2同士の合わせ面Fよりも突出して
いる。なお、この突出高さaは0.1〜1.0mmとり
わけ0.3〜0.8mmが好ましい。In this embodiment, the upright portions 4 of the halves 1 project beyond the mating surfaces F between the halves 1 and 2. In addition, the protruding height a is preferably 0.1 to 1.0 mm, particularly preferably 0.3 to 0.8 mm.
【0016】この起立部4,5及び各ハーフ1,2のそ
の他の構成は前記図5〜7の従来例と同じである。Other structures of the upright portions 4 and 5 and the halves 1 and 2 are the same as those of the conventional example shown in FIGS.
【0017】この起立部4,5を嵌合させるようにして
超音波溶着することによりディスクカートリッジが形成
されるが、上記のように起立部4を合わせ面Fよりも突
出させているため、段部底面7aを図8の従来例と同一
の位置に配置した場合でも段部7の深さを十分に大きく
すことができる。そして、リブ8の高さを図8の従来例
よりも格段に大きくしても、図2の通り起立部5の先端
面を段部7内に十分に深く差し込むことができ、超音波
溶着時におけるハーフ1,2のズレが防止される。ま
た、リブ8を高くすることにより、超音波溶着時に起立
部4,5の界面に生じる軟化ないし溶融物の量を増大さ
せ、起立部4,5の結合を強固にできる。しかも、起立
部5の長さ(高さ)自体は図8の従来例と同等であり、
超音波溶着機10の出力を増大させることなく起立部
4,5を確実に溶着することができる。The disk cartridge is formed by ultrasonic welding so that the upright portions 4 and 5 are fitted to each other. However, since the upright portions 4 protrude from the mating surface F as described above, Even when the bottom surface 7a is arranged at the same position as the conventional example in FIG. 8, the depth of the step 7 can be made sufficiently large. Even if the height of the ribs 8 is much larger than that of the conventional example shown in FIG. 8, the tip end surface of the upright portion 5 can be inserted sufficiently deep into the step portion 7 as shown in FIG. Of the halves 1 and 2 is prevented. In addition, by increasing the height of the rib 8, the amount of softening or melt generated at the interface between the upright portions 4 and 5 during ultrasonic welding can be increased, and the connection between the upright portions 4 and 5 can be strengthened. Moreover, the length (height) of the upright portion 5 itself is equivalent to the conventional example of FIG.
The upright portions 4, 5 can be reliably welded without increasing the output of the ultrasonic welding machine 10.
【0018】なお、リブ8の高さは0.1〜0.7mm
とくに0.2〜0.6mmであることが好ましい。起立
部5の段部7内への差し込み深さは0.6〜1.7mm
とくに1.0〜1.5mmであることが好ましい。The height of the rib 8 is 0.1 to 0.7 mm.
It is particularly preferable that the thickness be 0.2 to 0.6 mm. The insertion depth of the upright portion 5 into the step portion 7 is 0.6 to 1.7 mm.
In particular, it is preferably from 1.0 to 1.5 mm.
【0019】この実施の形態にあっては、図4(a),
(b)に示すように起立部4の先端側の内周縁(先端面
と段部側周壁7bとの交叉角部)をR状又はC面取り状
とし、起立部5を段部7に挿入し易くしている。この角
縁部をR状(曲面状)とする場合、曲率半径を0.05
mm以上とりわけ0.1mm以上とし、R状の部分の寸
法tを0.05〜0.7mmとりわけ0.1〜0.5m
mとするのが好ましい。In this embodiment, FIG.
As shown in (b), the inner peripheral edge on the distal end side of the upright portion 4 (the intersection between the distal end surface and the step-side peripheral wall 7b) is formed into an R shape or a C-chamfered shape, and the upright portion 5 is inserted into the step portion 7. Making it easier. When this corner edge is formed in an R shape (curved surface shape), the radius of curvature is 0.05
mm or more, especially 0.1 mm or more, and the dimension t of the R-shaped portion is 0.05 to 0.7 mm, especially 0.1 to 0.5 m
m is preferable.
【0020】また、この角縁部をC面取り状の斜面とす
る場合、斜面の寸法tは0.05〜0.7mmとりわけ
0.1〜0.5mmとするのが好ましい。When the corner portion is formed as a C-chamfered slope, the dimension t of the slope is preferably 0.05 to 0.7 mm, particularly preferably 0.1 to 0.5 mm.
【0021】[0021]
【発明の効果】以上の通り、本発明によるとディスクカ
ートリッジを構成するハーフ同士の結合が堅固なものと
なり、ディスクカートリッジの耐久性が向上する。As described above, according to the present invention, the halves constituting the disk cartridge are firmly connected to each other, and the durability of the disk cartridge is improved.
【図1】実施の形態に係るディスクカートリッジのハー
フの起立部付近の構成を説明する断面図であるFIG. 1 is a cross-sectional view illustrating a configuration near an upright portion of a half of a disk cartridge according to an embodiment;
【図2】図1のハーフ同士を組み合わせた超音波溶着前
の断面図である。FIG. 2 is a cross-sectional view before combining the halves of FIG. 1 before ultrasonic welding.
【図3】超音波溶着後の図1のハーフの起立部同士の結
合部の断面図である。FIG. 3 is a cross-sectional view of a joint between the upright portions of the half of FIG. 1 after ultrasonic welding.
【図4】起立部の先端部の断面図である。FIG. 4 is a cross-sectional view of a tip of a standing portion.
【図5】従来のディスクカートリッジの分解斜視図であ
る。FIG. 5 is an exploded perspective view of a conventional disk cartridge.
【図6】従来のディスクカートリッジのハーフの平面図
である。FIG. 6 is a plan view of a half of a conventional disk cartridge.
【図7】従来のハーフの起立部の構成説明図である。FIG. 7 is an explanatory diagram of a configuration of a conventional half upright portion.
【図8】従来のハーフの超音波溶着前の組み合わせ状態
の断面図である。FIG. 8 is a cross-sectional view of a conventional half assembled before ultrasonic welding.
【図9】別の従来例を示す断面図である。FIG. 9 is a sectional view showing another conventional example.
【図10】さらに別の従来例を示す断面図である。FIG. 10 is a sectional view showing still another conventional example.
1,2 ハーフ 4,5 起立部 6,9 凹穴 7 段部 7a 段部底面 7b 段部周壁面 8 リブ 10 超音波溶着機 1, 2 Half 4, 5 Standing part 6, 9 Concave hole 7 Step 7a Step bottom 7b Step peripheral wall 8 Rib 10 Ultrasonic welding machine
Claims (3)
録媒体を回転自在に収納したディスクカートリッジであ
って、 該カートリッジケースは、1対のプレート状のケースハ
ーフを対面させて超音波溶着したものであり、 各ケースハーフは、プレート部と、該プレート部の対向
面に立設された柱状の結合用起立部とを有してなり、 一方の第1のケースハーフの起立部にあっては、先端面
に凹穴が形成されており、該先端面の凹穴内周面に沿っ
て段部が形成され、 該段部は、前記プレート部と略平行な段部底面と、該底
面から立ち上がる段部周壁面とで囲まれており、 他方の第2のケースハーフの起立部は、その先端が該段
部に嵌合し、その先端面が該段部底面に超音波溶着され
ているディスクカートリッジにおいて、 該第1のケースハーフの起立部は、該第1及び第2のケ
ースハーフの合わせ面よりも突出していることを特徴と
するディスクカートリッジ。1. A disk cartridge in which a disk-shaped recording medium is rotatably stored in a cartridge case, wherein the cartridge case is ultrasonically welded with a pair of plate-shaped case halves facing each other. Each of the case halves has a plate portion and a pillar-shaped connecting erection portion erected on the opposing surface of the plate portion. A recess is formed in the surface, and a step is formed along the inner peripheral surface of the recess at the tip end surface. The step has a step bottom surface substantially parallel to the plate portion, and a step portion rising from the bottom surface. The upright portion of the other second case half is enclosed by the peripheral wall surface, and the leading end of the upright portion of the second case half is fitted to the step portion, and the leading end surface is ultrasonically welded to the step bottom surface. The first case half Wherein the upright portion protrudes from the mating surface of the first and second case halves.
ーフの起立部の段部底面にリブが設けられており、該リ
ブが前記第2のケースハーフの起立部の先端面に対し超
音波溶着されていることを特徴とするディスクカートリ
ッジ。2. The first case half according to claim 1, wherein a rib is provided on a step bottom surface of an upright portion of the first case half, and the rib is provided with an ultrasonic wave with respect to a tip end surface of the upright portion of the second case half. A disk cartridge which is welded.
ースハーフの起立部の先端面と段部周壁面との交叉角部
は曲面又は斜面となっていることを特徴とするディスク
カートリッジ。3. The disc cartridge according to claim 1, wherein an intersection angle between a front end surface of the upright portion of the first case half and a step peripheral wall surface is a curved surface or an inclined surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25393398A JP2000090623A (en) | 1998-09-08 | 1998-09-08 | Disk cartridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25393398A JP2000090623A (en) | 1998-09-08 | 1998-09-08 | Disk cartridge |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000090623A true JP2000090623A (en) | 2000-03-31 |
Family
ID=17258044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25393398A Pending JP2000090623A (en) | 1998-09-08 | 1998-09-08 | Disk cartridge |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2000090623A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101150887B (en) * | 2006-09-21 | 2011-06-22 | 丰达电机(香港)有限公司 | Ultrasonic wave fusion jointing method for speaker case |
-
1998
- 1998-09-08 JP JP25393398A patent/JP2000090623A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101150887B (en) * | 2006-09-21 | 2011-06-22 | 丰达电机(香港)有限公司 | Ultrasonic wave fusion jointing method for speaker case |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5199593A (en) | Plastic case having improved ultrasonic welds between halves thereof and method for producing same | |
JP4509370B2 (en) | Sealed bonded structure of resin structure | |
JPH11284359A (en) | Electrical equipment case | |
JP2000090623A (en) | Disk cartridge | |
JPH10122195A (en) | Manufacture of hollow blade and manufactured hollow blade | |
JP2000135740A (en) | Case for electric machinery and its production | |
JP2592197B2 (en) | Ultrasonic welding method for resin case | |
JP2000076818A (en) | Disc cartridge | |
JP3506010B2 (en) | Disk cartridge | |
JPH0743814Y2 (en) | Magnetic tape cartridge | |
JP2519270B2 (en) | Vibration welding method | |
JPH0411952B2 (en) | ||
JPH1021665A (en) | Cartridge for recording medium | |
JP2000048519A (en) | Disk cartridge | |
JPH1027452A (en) | Cartridge for recording medium | |
JP2581399Y2 (en) | cassette | |
JPH1055651A (en) | Cartridge for recording medium | |
JP2000326413A (en) | Method for ultrasonic fusion bonding | |
JPH0349869Y2 (en) | ||
JPH1021666A (en) | Cartridge for recording medium | |
JP2003151238A (en) | Cartridge case | |
JPH064974U (en) | Magnetic disk cartridge | |
JPH082860Y2 (en) | plastic case | |
JPH064475Y2 (en) | Disc cartridge | |
JPH05174531A (en) | Magnetic disk cartridge |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040323 |