SEALING MATERIAL FOR TONER FEED PORT OF TONER CARTRIDGE

PURPOSE:To provide a sealing material for a toner feed port wherein an increase in the internal pressure of a toner cartridge does not happen, and a load is not imposed upon the interface of the seal, when peeling the sealing material off the toner feed port. CONSTITUTION:A sealing material for the...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO TATSU, ISHIGAKI FUMIHISA
Format:	Patent
Sprache:	eng
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a sealing material for a toner feed port wherein an increase in the internal pressure of a toner cartridge does not happen, and a load is not imposed upon the interface of the seal, when peeling the sealing material off the toner feed port. CONSTITUTION:A sealing material for the toner feed port of a toner cartridge consists of a substrate 7 of unwoven cloth, woven cloth or paper and a plastic layer laminated on the substrate 7 by thermal adhesion. The plastic layer is formed with a polyolefin resin layer 5, a strength resin layer 2 and a thermally adhesive resin layer 4. In addition, a group of needle holes 6 is provided through the plastic layer in a thickness direction.