MANUFACTURE OF MEMBRANE SWITCH MEMBER

PURPOSE:To manufacture highly productively a membrane switch member constituted in such a way that a membrane switch sheet and a support plate are positioned/fixed nicely/accurately. CONSTITUTION:Projection parts 2 are formed by carrying out vacuum formation on a film obtained by laminating a pictur...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OOKA SATOSHI, NAEMURA NARIKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES PERFORMING OPERATIONS RELAYS SELECTORS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To manufacture highly productively a membrane switch member constituted in such a way that a membrane switch sheet and a support plate are positioned/fixed nicely/accurately. CONSTITUTION:Projection parts 2 are formed by carrying out vacuum formation on a film obtained by laminating a picture pattern layer 31 and an adhesive layer 32 upon a base film 30 consisting of polyethylene terephthalate so as to obtain a membrane switch sheet 3. This membrane switch sheet 3 is inlaid in a fixed mold 5 having recess parts 4, and is clamped by means of a movable mold 8 having projection parts 6 fitted to the recess parts 4 of the fixed mold 5 through the membrane switch sheet 3 and smooth part cavity constituting surfaces 7, and injection molding is carried out by means of polycarbonate resin, and thereby, a membrane switch member in which the membrane switch sheet 3 is fused on a support plate 20 can be obtained.