JPH0221378B2 - - Google Patents
Info
- Publication number
- JPH0221378B2 JPH0221378B2 JP11494282A JP11494282A JPH0221378B2 JP H0221378 B2 JPH0221378 B2 JP H0221378B2 JP 11494282 A JP11494282 A JP 11494282A JP 11494282 A JP11494282 A JP 11494282A JP H0221378 B2 JPH0221378 B2 JP H0221378B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic sheet
- bonded
- bonding
- electrode plate
- require adhesion
- 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
Links
- 239000002985 plastic film Substances 0.000 claims description 24
- 239000004020 conductor Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000000615 nonconductor Substances 0.000 claims description 10
- 239000012212 insulator Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 15
- 230000002950 deficient Effects 0.000 description 2
- 239000002998 adhesive polymer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- 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
- B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
-
- 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
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap 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
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said 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
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
-
- 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
- B29L2024/00—Articles with hollow walls
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/719—Curtains; Blinds; Shades
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、種々のプラスチツクシートを高周
波接着してプラスチツクシート製品を製造方法に
関するものであり、詳しくは接着不要部分と接着
必要部分のある別々のシートを同時に処理して製
品を製造する方法に関するものである。Detailed Description of the Invention (Field of Industrial Application) This invention relates to a method for manufacturing plastic sheet products by high-frequency bonding of various plastic sheets. The present invention relates to a method for manufacturing products by simultaneously processing sheets.
（従来の技術）
従来、プラスチツクシート製の表紙と複数の袋
体または複数の袋体相互等の種々の組合せにおけ
る高周波接着によりフアイルを製造する場合、片
方の表紙の裏側に袋体を高周波接着し、次いで上
記表紙に接着された袋体に次の袋体、更に次の袋
体を一枚毎順次高周波接着しながら所要枚数の袋
体を積層し、然るのち最終層の袋体にもう片方の
表紙を高周波接着している。(Prior Art) Conventionally, when manufacturing files by high frequency bonding of various combinations such as a cover made of plastic sheet and a plurality of bags or a plurality of bags to each other, the bag is bonded by high frequency to the back side of one cover. Next, the required number of bags are stacked on the bag bonded to the cover, and then the next bag is bonded one by one using high-frequency bonding, and then the other bag is bonded to the final layer of the bag. The cover is bonded using high-frequency adhesive.
（発明が解決しようとする課題）
従つて、複数の袋体の接着済重合体相互を接着
する場合のように接着必要部分と接着不要部分の
あるものを同時に接着することができない。(Problems to be Solved by the Invention) Therefore, it is not possible to simultaneously adhere parts that require adhesion and areas that do not require adhesion, as in the case of adhering bonded polymers of a plurality of bags to each other.
つまり例えば、表紙に袋体を一枚ごとに継ぎ足
し、最終の袋体にもう片方の表紙を順次高周波接
着するので、著しく手数がかかつて非能率とな
り、大量生産できない問題があつた。また表紙の
裏側に袋体を高周波接着したとき、表紙の表面に
熱接着の接着痕が現れるので、見苦しくなると共
に、品質が低下する問題があつた。この発明は、
上記の種々の問題に鑑みてなされたものであり、
その目的はプラスチツクシートの加熱接着時に、
接着不要部分と接着必要部分のある重合体相互の
接着、複雑な形状のものの接着加工が容易にで
き、かつ重合体の接着仕上げ不良部分のないプラ
スチツクシートの接着方法を提供するものであ
る。 In other words, for example, adding bags one by one to the cover and then sequentially bonding the other cover to the final bag using high-frequency bonding is extremely time-consuming and inefficient, making it impossible to mass-produce. Furthermore, when the bag is bonded to the back side of the cover by high frequency bonding, traces of thermal bonding appear on the surface of the cover, resulting in an unsightly appearance and a decrease in quality. This invention is
This was done in view of the various problems mentioned above.
Its purpose is to heat bond the plastic sheets.
To provide a method for adhering plastic sheets, which allows easy adhesion of polymers having parts not requiring adhesion and parts requiring adhesion, and adhesion processing of objects with complicated shapes, and eliminates defective parts of polymer adhesion.
（課題を解決するための手段）
本発明者が、上記の問題点を解決するために
種々検討したところ、プラスチツクシートの接着
不要部分に加熱接着不可能な不導体を配し、接着
必要な部分に絶縁体と導体板を配することにより
複雑な接着が同時に可能であることを見出した。
すなわちこの発明は、接着必要部分と接着不要部
分のあるプラスチツクシートを高周波ウエルダー
により接着する方法において、接着不要なプラス
チツクシートをはさんで電極と対応する一方側
に、加熱接着不可能な不導体を配し、接着必要な
プラスチツクシートをはさんで対向する正の電極
盤と負の電極盤の間に絶縁体と導体板を配し、接
着部分を加圧下で高周波電圧を印加することを特
徴とするプラスチツクシート製品の製造方法に存
する。(Means for Solving the Problems) The inventor of the present invention made various studies to solve the above problems, and found that a nonconductor that cannot be heat-bonded is arranged in the parts of the plastic sheet that do not need to be bonded, and the parts that need to be bonded are It was discovered that complex adhesion was possible at the same time by arranging an insulator and a conductor plate.
In other words, the present invention is a method of bonding plastic sheets, which have parts that require bonding and parts that do not require bonding, using a high-frequency welder, in which a nonconductor that cannot be bonded by heat is placed on one side of the plastic sheet that does not require bonding, which corresponds to the electrode. It is characterized by placing an insulator and a conductor plate between a positive electrode plate and a negative electrode plate facing each other with a plastic sheet that needs to be placed and bonded in between, and applying a high-frequency voltage under pressure to the bonded part. The invention consists in a method of manufacturing plastic sheet products.
なおこの発明においては、絶縁体と導体板は、
いずれか一方のみを用いても上記の課題を達成す
ることができるほか、接着対象物の組合せによつ
ては絶縁体、導体板共に不要の場合がある。 In addition, in this invention, the insulator and the conductor plate are
The above problem can be achieved even by using only one of them, and depending on the combination of objects to be bonded, both the insulator and the conductor plate may be unnecessary.
以下この発明の構成と作用を実施例に基づいて
詳しく説明する。 The structure and operation of the present invention will be explained in detail below based on examples.
（実施例）
(1) 第１図は、この発明を実施する電極盤等の配
列の一例を示す断面図である。負の下部電極盤
Ｂの上に順次積み重ねるようにして、正負の電
極に接続しない導体板Ｃ、加熱接着時に接着す
ることを目的とするために使用する絶縁体D′，
Ｄ、接着押圧面が上下にある正の電極盤Ａ、不
導体Ｅ、負の上部電極盤B′を対向させて配置
する。一方V1によつて接続されたシートユニ
ツトU2，U1からなる重合体Ｚを正の電極盤Ａ
を介して不導体Ｅとの間に設置し、接着を必要
とするシートユニツトU5，U4，U3をそれぞれ
Ｃ，D′，Ｄを介して配置して全体を圧接し、
高周波電圧を印加し加圧、加熱すると、負の導
体である上部電極盤B′と正の電極盤Ａの間は
不導体Ｅがあるため、その間は接着されずU2
〜U5が接着されて第２図に示すようにシート
ユニツトU1〜U5が接着位置V1〜V4によつて接
続された多数ユニツトの重合体Ｙができる。こ
こで第１図のＡ，B′が同電極盤であつても、
B′が正負に接続しない電極金型であつても、
B′を取りのぞき不導体Ｅのみにしても第２図
に示す多数ユニツトの重合体ができる。(Example) (1) FIG. 1 is a cross-sectional view showing an example of the arrangement of electrode plates, etc., in which the present invention is implemented. A conductor plate C which is not connected to the positive and negative electrodes and is stacked one after another on the negative lower electrode plate B, an insulator D′ used for the purpose of bonding during heat bonding,
D. A positive electrode plate A, a nonconductor E, and a negative upper electrode plate B' with adhesive pressing surfaces on the top and bottom are placed facing each other. On the other hand, a polymer Z consisting of sheet units U 2 and U 1 connected by V 1 is connected to a positive electrode plate A.
The sheet units U 5 , U 4 , and U 3 that require adhesion are placed between C, D', and D, respectively, and the whole is pressed together.
When a high frequency voltage is applied, pressure is applied, and heat is applied, since there is a nonconductor E between the upper electrode plate B', which is a negative conductor, and the positive electrode plate A, there is no bonding between them, and U 2
-U5 are glued together to form a multi-unit polymer Y in which sheet units U1 - U5 are connected by bonding locations V1 - V4 , as shown in FIG. Here, even if A and B' in Fig. 1 are the same electrode board,
Even if B′ is an electrode mold that does not connect positive and negative,
Even if B' is removed and only the nonconductor E is used, a multi-unit polymer as shown in FIG. 2 can be obtained.
第３図は、シートユニツトU1，U2の重合体
ＺとU3，U4の重合体Z′を接着する実施例であ
るが、その配置は、負の下部電極盤Ｂの上にシ
ートユニツトU3U4からなる重合体Z′を配し、
U4の内側に導体板Ｃ，U3の内側に絶縁体Ｄ、
さらにその上にシートユニツトU1，U2からな
る別の重合体Ｚを配し、U2の内側に接着面の
ある金型Ａを正の電極盤として、その一方側に
不動体Ｅを入れて積重ねる。そして重合体Ｚの
U1の上に接着面のある金型A′を正の電極盤と
して配置して全体を圧接し、高周波電圧を印加
して加圧、加熱すると、Ａ，A′間のシートは
接着せず、AD間のシートが接着されて第４図
に示すように接着位置がV1〜V3からなる重合
体Y′が得られる。この場合DC間は、すでに接
着済重合体を使用しているが、さらにあらたな
接着力を示している。 Figure 3 shows an example in which the polymer Z of sheet units U 1 and U 2 and the polymer Z' of U 3 and U 4 are bonded together. A polymer Z′ consisting of units U 3 U 4 is arranged,
Conductor plate C inside U 4 , insulator D inside U 3 ,
Furthermore, another polymer Z consisting of sheet units U 1 and U 2 is placed on top of that, and mold A with an adhesive surface inside U 2 is used as a positive electrode plate, and an immovable body E is placed on one side of the mold A. Stack them. and of polymer Z
When mold A′ with an adhesive surface is placed on top of U 1 as a positive electrode plate, the whole is pressed together, and a high frequency voltage is applied to apply pressure and heat, the sheets between A and A′ will not adhere. , AD are bonded together to obtain a polymer Y' whose bonding positions are V 1 to V 3 as shown in FIG. In this case, an already bonded polymer is used between the DCs, but it shows a new adhesive strength.
なおここで、相対向する導体板（電極盤も含
む）、例えば第１図及び第３図のＣとＢ間は、
少なくとも一方が接着面（接着突部）のある金
型を用いなければ、高周波接着の特性からして
接着はおこらない。 Note that the opposite conductor plates (including electrode plates), for example between C and B in FIGS. 1 and 3,
Unless a mold with at least one adhesive surface (adhesion protrusion) is used, adhesion will not occur due to the characteristics of high-frequency adhesion.
第５図は、負の下部電極盤Ｂの上に、紙台板
Ｆの外側にシートＧ，G′を加熱接着した表紙
Ｈを置き、さらにその上にシートユニツトU1
〜U4からなる多数組の重合体Y″のU4の内部に
正の電極盤となる接着面のある金型Ａを入れ
て、さらにY″の上に不動体Ｅを順次重ねて全
体を圧接し、高周波電圧を印加して加圧加熱す
ると、第６図に示すように表紙ＨのシートＧに
対向する加圧部のみ（電極盤Ａによる）接着さ
れ、接着位置V4によつて接続される。この場
合印加、加圧、加時間が長すぎるとシート
G′側に接着済跡がうつることがあるので注意
を要する。 In Fig. 5, a cover H with sheets G and G' heat-adhered to the outside of a paper base plate F is placed on a negative lower electrode board B, and a sheet unit U 1 is placed on top of it.
A mold A with an adhesive surface that will serve as a positive electrode plate is placed inside U 4 of a large number of polymers Y″ consisting of ~U 4 , and the immovable body E is successively stacked on top of Y″ to complete the entire assembly. When they are pressed together and heated under pressure by applying a high frequency voltage, only the pressed part of the cover H facing the sheet G is adhered (by the electrode plate A) as shown in Fig. 6, and is connected at the adhesion position V4. be done. In this case, if the application, pressure, and application time are too long, the sheet
Be careful as adhesive marks may be left on the G′ side.
（発明の効果）
この発明によれば、接着必要部分と接着不要部
分のある複数の袋体の接着済重合体相互等を接着
する場合でも、容易に接着することができるの
で、手数が少なくてすみ、大量生産が可能であ
る。また接着仕上げ不良部分のないプラスチツク
シートの重合体をつくることができる。(Effects of the Invention) According to the present invention, even when bonding the bonded polymers of a plurality of bags, each having a portion that requires bonding and a portion that does not require bonding, the bonding can be easily carried out, resulting in fewer steps. Yes, mass production is possible. It is also possible to produce polymeric plastic sheets without defective adhesive finishes.
第１、第３、第５図はこの発明を実施する際に
用いる電極盤等の配置を示す断面図であり、第
２、第４、第６図は各々その接着重合体の接着位
置を示す断面図である。
Ａ……正の電極盤、Ｂ……負の下部電極盤、Ｃ
……導体板、Ｄ……絶縁体、Ｅ……不導体、Ｕ…
…シートユニツト。
Figures 1, 3, and 5 are cross-sectional views showing the arrangement of electrode plates, etc. used in carrying out the present invention, and Figures 2, 4, and 6 each show the bonding position of the adhesive polymer. FIG. A...Positive electrode plate, B...Negative lower electrode plate, C
...Conductor plate, D...Insulator, E...Nonconductor, U...
...Sheet unit.
Claims (1)
ツクシートを高周波ウエルダーにより接着する方
法において、接着不要なプラスチツクシートをは
さんで電極と対向する一方側に、加熱接着不可能
な不導体を配し、接着必要なプラスチツクシート
をはさんで正の電極盤と負の電極盤を配し、接着
部分を加圧下で高周波電圧を印加することを特徴
とするプラスチツクシートの製品の製造方法。 ２ 接着必要部分と接着不要部分のあるプラスチ
ツクシートを高周波ウエルダーにより接着する方
法において、接着不要なプラスチツクシートをは
さんで電極と対向する一方側に、加熱接着不可能
な不導体を配し、接着必要なプラスチツクシート
をはさんで対向する正の電極盤と負の電極盤の間
に絶縁体と導体板を配し、接着部分を加圧下で高
周波電圧を印加することを特徴とするプラスチツ
クシート製品の製造方法。 ３ 接着必要部分と接着不要部分のあるプラスチ
ツクシートを高周波ウエルダーにより接着する方
法において、接着不要なプラスチツクシートをは
さんで電極と対向する一方側に加熱接着不可能な
不導体を配し、接着必要なプラスチツクシートを
はさんで対向する正の電極盤と負の電極盤の間に
絶縁体および導体板のいずれか一方を配し、接着
部分を加圧下で高周波電圧を印加することを特徴
とするプラスチツクシート製品の製造方法。[Scope of Claims] 1. In a method of bonding plastic sheets, which have parts that require adhesion and parts that do not require adhesion, using a high-frequency welder, a non-bondable non-heat-bondable material is placed on one side of the plastic sheet that does not require adhesion and faces an electrode. A method for manufacturing a plastic sheet product, which comprises arranging a conductor, sandwiching a plastic sheet that requires bonding, arranging a positive electrode plate and a negative electrode plate, and applying a high frequency voltage under pressure to the bonded portion. . 2. In a method of bonding plastic sheets, which have parts that require adhesion and parts that do not require adhesion, using a high-frequency welder, a non-conductor that cannot be heat-bonded is placed on one side facing the electrode across the plastic sheet that does not require adhesion, and the non-conductor is bonded. A plastic sheet product characterized by placing an insulator and a conductor plate between a positive electrode plate and a negative electrode plate facing each other with the necessary plastic sheet in between, and applying a high-frequency voltage to the adhesive part under pressure. manufacturing method. 3. In a method of bonding plastic sheets with parts that require adhesion and parts that do not require adhesion using a high-frequency welder, a nonconductor that cannot be heat-bonded is placed on one side facing the electrode across the plastic sheet that does not require adhesion, and the non-conductor that cannot be heat-bonded is placed on one side of the plastic sheet that does not require adhesion. The method is characterized in that either an insulator or a conductor plate is placed between a positive electrode plate and a negative electrode plate that face each other with a plastic sheet in between, and a high-frequency voltage is applied to the bonded portion under pressure. Method of manufacturing plastic sheet products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57114942A JPS595022A (en) | 1982-07-01 | 1982-07-01 | Manufacture of continuous product with plastic sheets unstuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57114942A JPS595022A (en) | 1982-07-01 | 1982-07-01 | Manufacture of continuous product with plastic sheets unstuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS595022A JPS595022A (en) | 1984-01-11 |
| JPH0221378B2 true JPH0221378B2 (en) | 1990-05-14 |
Family
ID=14650461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57114942A Granted JPS595022A (en) | 1982-07-01 | 1982-07-01 | Manufacture of continuous product with plastic sheets unstuck |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS595022A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63128018U (en) * | 1987-02-12 | 1988-08-22 | ||
| JPH01301297A (en) * | 1987-12-04 | 1989-12-05 | Masuhiro Mitsuyama | Production of file |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210528A (en) * | 1975-07-15 | 1977-01-26 | Matsushita Electric Ind Co Ltd | Method of producing layerrbuilt dry element battery |
| JPS5611571A (en) * | 1979-07-10 | 1981-02-04 | Toshiba Corp | Character reader |
-
1982
- 1982-07-01 JP JP57114942A patent/JPS595022A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210528A (en) * | 1975-07-15 | 1977-01-26 | Matsushita Electric Ind Co Ltd | Method of producing layerrbuilt dry element battery |
| JPS5611571A (en) * | 1979-07-10 | 1981-02-04 | Toshiba Corp | Character reader |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS595022A (en) | 1984-01-11 |
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