JPS6249207U - - Google Patents
Info
- Publication number
- JPS6249207U JPS6249207U JP14004985U JP14004985U JPS6249207U JP S6249207 U JPS6249207 U JP S6249207U JP 14004985 U JP14004985 U JP 14004985U JP 14004985 U JP14004985 U JP 14004985U JP S6249207 U JPS6249207 U JP S6249207U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- film
- sealing
- opening
- resistant
- 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
- 238000007789 sealing Methods 0.000 claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
Landscapes
- Details Of Resistors (AREA)
- Adjustable Resistors (AREA)
Description
第１図は本考案による半固定可変抵抗器の一実
施例を示す側断面図、第２図は従来の半固定可変
抵抗器の一例を示す側断面図、第３図は他の従来
例に係る密閉カバーの側断面図である。
１……モールドケース、３ａ……開口、３ｂ…
…上端面、４……抵抗基板、５……摺動子、１１
……密閉カバー、１１ａ……第１のヒートシール
フイルム、１１ｂ……第１の耐熱フイルム、１１
ｃ……第２のヒートシールフイルム、１１ｄ……
第２の耐熱フイルム、１１ｅ……透孔。
Fig. 1 is a side sectional view showing an example of a semi-fixed variable resistor according to the present invention, Fig. 2 is a side sectional view showing an example of a conventional semi-fixed variable resistor, and Fig. 3 is a side sectional view showing an example of a conventional semi-fixed variable resistor. FIG. 3 is a side sectional view of such a sealing cover. 1...Mold case, 3a...Opening, 3b...
...Top end surface, 4...Resistance board, 5...Slider, 11
... Airtight cover, 11a ... First heat-sealing film, 11b ... First heat-resistant film, 11
c...Second heat seal film, 11d...
Second heat-resistant film, 11e...through hole.
Claims (1)
基板と該基板上で回動可能な摺動子とを配置し、
耐熱性を有する密閉カバーで前記モールドケース
の開口を閉塞した半固定可変抵抗器において、前
記密閉カバーとして、熱可塑性樹脂からなる第１
のヒートシールフイルムと、肉薄な第１の耐熱フ
イルムと、同じく熱可塑性樹脂からなる第２のヒ
ートシールフイルムと、前記第１の耐熱フイルム
よりも肉厚で中央部に透孔を有する第２の耐熱フ
イルムとを下から順次積層してなる４層構造の積
層フイルムを用い、前記第１および第２のヒート
シールフイルムの熱融着により、該積層フイルム
が各層一体となつて前記モールドケースの開口周
縁の上端面に固着されていることを特徴とする半
固定可変抵抗器。 A resistor board and a slider rotatable on the board are arranged in a molded case having an opening at the top,
In the semi-fixed variable resistor in which the opening of the molded case is closed with a heat-resistant sealing cover, the sealing cover may include a first tube made of thermoplastic resin.
a heat-sealing film, a thin first heat-resistant film, a second heat-sealing film also made of thermoplastic resin, and a second heat-sealing film that is thicker than the first heat-resistant film and has a through hole in the center. Using a four-layer laminated film formed by sequentially laminating a heat-resistant film from the bottom, the first and second heat-sealing films are thermally fused so that each layer of the laminated film is integrated into the opening of the mold case. A semi-fixed variable resistor characterized in that it is fixed to the upper end surface of the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14004985U JPS6249207U (en) | 1985-09-14 | 1985-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14004985U JPS6249207U (en) | 1985-09-14 | 1985-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6249207U true JPS6249207U (en) | 1987-03-26 |
Family
ID=31046528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14004985U Pending JPS6249207U (en) | 1985-09-14 | 1985-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6249207U (en) |
-
1985
- 1985-09-14 JP JP14004985U patent/JPS6249207U/ja active Pending
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