JP2576845Y2 - Tape cassette - Google Patents

Tape cassette

Info

Publication number
JP2576845Y2
JP2576845Y2 JP1992044388U JP4438892U JP2576845Y2 JP 2576845 Y2 JP2576845 Y2 JP 2576845Y2 JP 1992044388 U JP1992044388 U JP 1992044388U JP 4438892 U JP4438892 U JP 4438892U JP 2576845 Y2 JP2576845 Y2 JP 2576845Y2
Authority
JP
Japan
Prior art keywords
welding
case
tape cassette
tape
rib
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.)
Expired - Lifetime
Application number
JP1992044388U
Other languages
Japanese (ja)
Other versions
JPH0596970U (en
Inventor
晴男 芝
博志 金田
昌寿 岡村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Priority to JP1992044388U priority Critical patent/JP2576845Y2/en
Publication of JPH0596970U publication Critical patent/JPH0596970U/en
Application granted granted Critical
Publication of JP2576845Y2 publication Critical patent/JP2576845Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/10—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
    • B29C66/124—Tongue and groove joints
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12443—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue having the tongue substantially in the middle
    • 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
    • B29C66/124—Tongue and groove joints
    • B29C66/1246—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12463—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered
    • B29C66/12464—Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered being V-shaped
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29L2017/008—Tapes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Description

【考案の詳細な説明】[Detailed description of the invention]

【０００１】[0001]

【産業上の利用分野】本考案は、記録メディア、例えば
テープ状媒体をケース内に収納したビデオカセット或い
はデジタルオーディオテープ（ＤＡＴ）などのテープカ
セットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape cassette such as a video cassette or a digital audio tape (DAT) in which a recording medium, for example, a tape-shaped medium is accommodated in a case.

【０００２】[0002]

【従来の技術】一般に、ビデオカセットの情報媒体は、
取扱上ゴミやホコリがつきやすく、傷つきやすいため合
成樹脂製ケースに収納して保護されていて、このケース
はＡＢＳ樹脂（アクリロテトリル・ブタジェン・スチレ
ン共重合樹脂）またはＰＳ樹脂（ポリスチレン系樹脂）
などで形成された上ケースと下ケースとを溶着部に於い
て溶着結合して構成されている。2. Description of the Related Art Generally, an information medium of a video cassette is
It is easily protected from dust and dirt on handling, so it is stored and protected in a synthetic resin case. This case is made of ABS resin (acrylotetrile / butadiene / styrene copolymer resin) or PS resin (polystyrene resin).
The upper case and the lower case are formed by welding at a welding portion.

【０００３】[0003]

【考案が解決しようとする課題】従来のビデオカセット
では、図６に示すようにメディアを収納するケースは、
上ケースａと下ケースｂとにそれぞれ溶着突起部ｃを突
設し、両突起部ｃ，ｃの合わせ面或いはケース外周壁の
合わせ面に溶着リブｄを設けて溶着ホーンｅで結合一体
化しているため、溶着リブと、外側壁とが同等高さであ
るため、溶着リブの溶着状況では高さ寸法が安定しな
く、カセット厚さ精度が低下するおそれがあり、殊に外
周壁にて溶着する設計では溶着後のはみ出しが発生して
外観上好ましくない製品になり、商品価値も低下し信頼
性の上でも問題となるものであった。本考案は、これら
従来の欠点を排除しようとするもので、カセットケース
外観良好でカセット厚さ方向の寸法精度が向上し、安全
で信頼性の高いテープカセットを構成簡単で安価な形態
で提供することを目的としたものである。In a conventional video cassette, a case for storing media as shown in FIG.
Welding projections c are provided on the upper case a and the lower case b, and welding ribs d are provided on the mating surface of the two projections c and c or the mating surface of the outer peripheral wall of the case. Therefore, since the welding rib and the outer wall have the same height, the height dimension is not stable in the welding condition of the welding rib, and the accuracy of the thickness of the cassette may be reduced. In such a design, the protrusion after welding occurs, resulting in a product having an unfavorable appearance, and also has a problem in terms of reliability and reduced commercial value. The present invention is intended to eliminate these conventional disadvantages, and provides a safe and highly reliable tape cassette in a simple and inexpensive form in which the appearance of the cassette case is good and the dimensional accuracy in the thickness direction of the cassette is improved. It is intended for that purpose.

【０００４】[0004]

【課題を解決するための手段】本考案は、テープ状媒体
を収納する合成樹脂製ケースが、上ケースと下ケースと
からなり、上下ケースを溶着部で一体連結したテープカ
セットにおいて、前記溶着部の溶着面を上下ケースのパ
ーティング面と異ならしめ、該溶着部に備えた溶着リブ
で溶着部間に隙間を形成して一体結合されていることを
特徴とするテープカセットである。According to the present invention, there is provided a tape cassette in which a synthetic resin case for accommodating a tape-shaped medium comprises an upper case and a lower case, and the upper and lower cases are integrally connected by a welding portion. The tape cassette is characterized in that the welding surface of the tape cassette is different from the parting surfaces of the upper and lower cases, and a welding rib provided on the welding portion forms a gap between the welding portions to be integrally joined.

【０００５】[0005]

【作用】上下ケースを溶着ホーンで溶着一体化するの
に、上下ケースを合わせると一方のケース、例えば下ケ
ースに突設されている溶着用突起と、上ケースに突設し
た溶着用突起との間にある溶着リブを溶着ホーンの振動
エネルギーで溶融して固着一体化するもので、溶着時の
ケース高さ方向の寸法精度は、ケース外側壁によって決
定づけられ安定した結合ができて、信頼性の高いテープ
カセットとすることがきる。[Function] When the upper and lower cases are welded and integrated by a welding horn, when the upper and lower cases are combined, one of the cases, for example, a welding projection projecting from the lower case and a welding projection projecting from the upper case are formed. The welding ribs between them are fused and fixed by the vibration energy of the welding horn, and the dimensional accuracy in the case height direction at the time of welding is determined by the outer wall of the case, and a stable connection can be achieved. It can be a high tape cassette.

【０００６】[0006]

【実施例】本考案の実施例を図１乃至図５の例で説明す
ると、合成樹脂を用いたケースが、上ケース１と下ケー
ス２とからなり、上下ケースを溶着部で溶着してテープ
状媒体を収納する構成とするのに、前記溶着部が、一方
のケース例えば下ケース２の内面或いは上下ケース１，
２に複数突設された突起３であって、いずれか一方の突
起頂面に溶着リブ４を備え、該溶着リブ４を他方のケー
スの突起３に当接させるように配備し、上ケース１の外
側から溶着ホーンで前記溶着リブ４を溶融して一体固着
するものであるが、ケース外側壁の接合面１1 ，２1 で
ケース高さ方向の寸法精度が決定づけられるので、前記
溶着リブ４の溶着溶け代は一部となって溶着部の突起
３，３間に隙間ｔを形成して一体連結されることとな
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 5. A case using a synthetic resin is composed of an upper case 1 and a lower case 2, and the upper and lower cases are welded at a welding portion to form a tape. In order to adopt a configuration for accommodating the medium, the welded portion is formed in one case, for example, the inner surface of the lower case
2, a plurality of projections 3 provided on one of the projections, a welding rib 4 provided on a top surface thereof, and the welding rib 4 is arranged so as to abut against the projection 3 of the other case. Although outside by melting the welding ribs 4 at the welding horn from those integrally fixed, since the cemented surface 1 1, 2 1 of the case outer wall casing height dimension accuracy dictated, the welding rib 4 Is formed as a part to form a gap t between the projections 3 and 3 of the welded portion to be integrally connected.

【０００７】この場合、前記突起３は下ケース２と上ケ
ース１とに設けて、下ケース外側から溶着ホーンで溶融
させるようにすることも、上下ケースの対応によって選
べ、前記溶着突起３は、仕切リブ５で区画された従来の
タッピング位置と同様な位置である媒体収納エリア以外
のケース四隅部や中央部の位置を選ぶのが、カセットハ
ーフとしての全体的バランスや剛性が良好なものとな
り、溶着後のはみだしによる外観上の不具合もなく有効
である。In this case, the projections 3 may be provided on the lower case 2 and the upper case 1 and melted by a welding horn from the outside of the lower case. Choosing the positions of the four corners and the center of the case other than the medium storage area, which is the same position as the conventional tapping position partitioned by the partition rib 5, results in good overall balance and rigidity as a cassette half, It is effective without appearance defects due to protrusion after welding.

【０００８】なお、前記突起３としては、中空筒体であ
って、頂面にリング状の溶着リブ４を突設してあるが、
いずれも該溶着リブ４に隙間が形成されるように溶着リ
ブ４の高さＴを規定していて、その溶着溶け代量で隙間
ｔが筒状突起３，３間に形成れれる（図４）。なお、前
記筒状突起３は、前記外側壁に沿って近接配備され、そ
の接合頂面に溶着リブ４と該溶着リブ４を嵌合する凹部
４1 とを対応配備して溶着溶け代量の調整をすることも
できるし、結合強度も高めることもできる（図３Ｂ）。
この場合、前記筒状突起３が、対面する接合頂面をケー
ス外側壁の接合面との間に隙間ｔ1 ，ｔ2 を形成する高
さを持っている構成とすることもできる（図３Ａ）。The projection 3 is a hollow cylindrical body having a ring-shaped welding rib 4 protruding from the top surface.
In each case, the height T of the welding rib 4 is defined so that a gap is formed in the welding rib 4, and the gap t is formed between the cylindrical projections 3 by the amount of the welding melt (FIG. 4). ). Incidentally, the tubular projection 3, the are disposed close along the outer wall, welding melts margin of the recess 4 1 for fitting a welding rib 4 and solution deposition rib 4 in the joint top surface corresponds deployed It can be adjusted and the bond strength can be increased (FIG. 3B).
In this case, the cylindrical projection 3 may have such a height as to form gaps t 1 and t 2 between the facing joint top surface and the joint surface of the case outer wall (FIG. 3A). ).

【０００９】また、上ケース１と下ケース２とからなる
ケース内には、リール収納エリア１０に回転可能に備え
た一対のテープリール１２，１２にテープ１１を巻回配
備し、該テープリールに設けた係止歯１２1 に係脱して
リール１２の回転を規制する一対のリールブレーキ１３
をバネで附勢して備え、該リールブレーキ１３をデッキ
側解除ピンの挿入口に臨ましめられたレリーズレバー１
４で連動させるテープカセットとしてあり、開口部を開
閉する前蓋１５と後蓋１６を回動自在に備えている。A tape 11 is wound around a pair of tape reels 12 and 12 rotatably provided in a reel storage area 10 in a case composed of an upper case 1 and a lower case 2. a pair of reels brake 13 for regulating the rotation of the reel 12 disengaged from the locking teeth 12 1 provided
The release lever 1 with the reel brake 13 facing the insertion port of the deck-side release pin
4 is a tape cassette to be interlocked, and has a front lid 15 and a rear lid 16 for opening and closing an opening, which are rotatably provided.

【００１０】この実施例では、溶着部として突起３の頂
面にリング状または断続して環状配列した溶着リブ４を
備えてあるが、該中空筒体内に嵌合する凸部、例えば筒
体若しくは柱体を他方のケース内面に突設して位置決め
機能を与えてあるが、この嵌合構造を仮止め機能を必要
に応じ与えて溶着工程の精度と作業性を向上させるため
に活用してもよい。In this embodiment, a ring-shaped or intermittently arranged annularly arranged welding rib 4 is provided on the top surface of the projection 3 as a welding portion. Although the column is protruded from the inner surface of the other case to provide a positioning function, this fitting structure may be used to provide a temporary fixing function as needed to improve the accuracy and workability of the welding process. Good.

【００１１】[0011]

【考案の効果】本考案は、テープ状媒体を収納する合成
樹脂製ケースが、上ケースと下ケースとからなり、上下
ケースを溶着部で一体連結したもので、前記溶着部の溶
着面を上下ケースのパーティング面と異ならしめ、該溶
着部に備えた溶着リブで溶着部間に隙間を形成して一体
結合されていることにより、溶着リブの溶着状況でケー
スの高さ寸法精度が低下することがなく安定し、ケース
溶着後のケース外への溶着はみだしもなく、外観体裁を
損なうこともなく、溶着ホーンによる溶着工程において
溶着時に発生する白粉も少なくして、ドロップアウトや
パーマネントエラーの発生をも防止して、記録・再生用
媒体に悪影響を及ぼすことなく安全に用いられ、品質を
高め組立性並びに信頼性とを著しく向上できるし、商品
価値をも高められるなどの実用上の効果がある。According to the present invention, a synthetic resin case for accommodating a tape-shaped medium is composed of an upper case and a lower case, and the upper and lower cases are integrally connected by a welding portion. Different from the parting surface of the case, by forming a gap between the welded portions with the welded ribs provided in the welded portion and being integrally connected, the height dimensional accuracy of the case is reduced in the welding condition of the welded ribs. It is stable and does not protrude outside the case after the case is welded, does not impair the appearance and reduces the white powder generated at the time of welding in the welding process with the welding horn, causing dropouts and permanent errors Can be used safely without adversely affecting the recording / reproducing media, which can significantly improve quality, assemblability and reliability, and increase product value. There is a practical effect of such.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本考案の実施例を示す下ケースの平面図であ
る。FIG. 1 is a plan view of a lower case showing an embodiment of the present invention.

【図２】図１の例の一部の分離状態の斜視図である。FIG. 2 is a perspective view of a part of the example of FIG. 1 in a separated state.

【図３】溶着前の分離状態の一部の拡大縦断面図で、Ａ
は図１の例で、Ｂは他の例を示す。FIG. 3 is an enlarged longitudinal sectional view of a part of a separated state before welding, and FIG.
Is an example of FIG. 1, and B shows another example.

【図４】図１（Ｂ）の例のケース結合状態の一部の拡大
縦断面図である。FIG. 4 is an enlarged longitudinal sectional view of a part of the example of FIG.

【図５】本考案の実施例の分離状態の斜視図である。FIG. 5 is a perspective view showing the separated state of the embodiment of the present invention;

【図６】従来例のケース結合状態の一部の拡大縦断面図
である。FIG. 6 is an enlarged vertical cross-sectional view of a part of a conventional example in a case connection state.

【符号の説明】 １ 上ケース １1 接合面 ２ 下ケース ２1 接合面 ３ 突起 ４ 溶着リブ ４1 凹部 11 テープ 12 テープリール 13 リールブレーキ Ｔ 溶着リブ高さ ｔ 隙間 ｔ1 隙間 ｔ2 隙間[EXPLANATION OF SYMBOLS] 1 upper case 1 1 joint surface 2 the lower case 2 1 joint surfaces 3 projections 4 welding ribs 4 1 recess 11 tape 12 tape reel 13 reels brake T welding rib height t clearance t 1 clearance t 2 gap

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G11B 23/087 505──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) G11B 23/087 505

Claims (4)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項１】 テープ状媒体を収納する合成樹脂製ケー
スが上ケースと下ケースとからなり、上下ケースを溶着
部で一体連結したテープカセットにおいて、前記溶着部
の溶着面を上下ケースのパーティング面と異ならしめ、
該溶着部に備えた溶着リブで溶着部間に隙間を形成して
一体結合されていることを特徴とするテープカセット。1. A tape cassette in which a synthetic resin case for accommodating a tape-shaped medium is composed of an upper case and a lower case, and the upper and lower cases are integrally connected by a welding portion. Different from the surface,
A tape cassette, wherein a gap is formed between the welding portions by welding ribs provided in the welding portion and the tape cassette is integrally connected. 【請求項２】 前記溶着部が、上下ケースの内面に対向
して立設されている筒状突起であって、いずれか一方の
筒状突起の接合頂面に溶着リブを備え、該溶着リブの溶
着溶け代量で隙間が筒状突起間に形成される請求項１記
載のテープカセット。2. The welding part is a cylindrical projection that stands upright on the inner surfaces of the upper and lower cases, and has a welding rib on a joining top surface of one of the cylindrical projections. 2. The tape cassette according to claim 1, wherein a gap is formed between the cylindrical projections by the amount of welding melt. 【請求項３】 前記筒状突起が、前記外側壁に沿って近
接配備され、その接合頂面に溶着リブと該溶着リブを嵌
合する凹部とを対応配備した請求項２記載のテープカセ
ット。3. The tape cassette according to claim 2, wherein the cylindrical projection is provided close to the outer wall, and a welding rib and a concave portion for fitting the welding rib are provided correspondingly on a joint top surface thereof. 【請求項４】 前記筒状突起が、対面する接合頂面をケ
ース外側壁の接合面との間に隙間を形成する高さを持っ
ている請求項２または３記載のテープカセット。4. The tape cassette according to claim 2, wherein the cylindrical projection has a height that forms a gap between a joint top surface facing the joint surface and a joint surface of the case outer wall.
JP1992044388U 1992-06-04 1992-06-04 Tape cassette Expired - Lifetime JP2576845Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1992044388U JP2576845Y2 (en) 1992-06-04 1992-06-04 Tape cassette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1992044388U JP2576845Y2 (en) 1992-06-04 1992-06-04 Tape cassette

Publications (2)

Publication Number Publication Date
JPH0596970U JPH0596970U (en) 1993-12-27
JP2576845Y2 true JP2576845Y2 (en) 1998-07-16

Family

ID=12690134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1992044388U Expired - Lifetime JP2576845Y2 (en) 1992-06-04 1992-06-04 Tape cassette

Country Status (1)

Country Link
JP (1) JP2576845Y2 (en)

Also Published As

Publication number Publication date
JPH0596970U (en) 1993-12-27

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