METHOD FOR PRODUCING A MOTHER PLATE FOR ELECTROLYTIC CLEANING AND A MOTHER PLATE PRODUCED ACCORDING TO SAID METHOD

1. A method for producing a mother plate used in electrolytic cleaning, said mother plate comprising a metal plate (1), a support member (2) of the metal plate and a plastic edge strip (6) provided on at least one of the sides (3,4,5) of the metal plate (1), characterized in that for the edge strip...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MARTTILA, TOM, ERLAND
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS 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:	1. A method for producing a mother plate used in electrolytic cleaning, said mother plate comprising a metal plate (1), a support member (2) of the metal plate and a plastic edge strip (6) provided on at least one of the sides (3,4,5) of the metal plate (1), characterized in that for the edge strip (6), in the mother plate (1) there is attached a mould (7) provided with an extruder (11) for extruding the edge strip material (12), so that the extruder (11) is made to proceed, with respect to the mould (7), essentially along the whole length of the mould (7), and that prior to detaching the mould (7) from the mother plate (1), the strip material (12) is rendered in an essentially solid form. 2. A method according to claim 1, characterized in that the employed edge strip material (12) is ethylenic acid copolymer. 3. A method according to claim 1, characterized in that the employed edge strip material (12) is polypropylene. 4. A method according to claim 2 or 3, characterized in that in between the edge strip (6) and the mother plate (1), there is created a chemical bond. 5. A method according to any of the preceding claims 1 - 4, characterized in that the surface (8) of the mould (7) falling into contact with the edge strip (6) is made of polytetrafluoroethylene. 6. A mother plate produced according to the method described in claim 1, to be used in electrolytic cleaning, characterized in that at least two opposite sides (3, 4) of the mother plate (1) are provided with an edge strip 6). 7. A mother plate according to claim 6, characterized in that two opposite sides (3, 4) of the mother plate and at least one of the connecting sides (5) are provided with essentially uniform edge strip (6). 8. A mother plate according to claim 6 or 7, characterized in that the edge strip (6) is made of ethylenic acid copolymer. 9. A mother plate according to claim 6 or 7, characterized in that the edge strip (6) is made of polypropylene.