UNIVERSAL PAPER FILE WITH INSIDE GLUED BACK FOR BUNDLING DOCUMENTS

申请公布号：CA1320232(C)

申请号：CA19870551849

申请日期：1987.11.13

申请公布日期：1993.07.13

申请人：

UNIBIND LIMITED

发明人：MUGNAI, GUIDO

分类号：B42D1/04;B42C9/00;B42D1/06;B42D3/00;B42F7/00

主分类号：B42D1/04

摘要：. Universal paper file with inside glued back for bundling documents, of the type consisting of a front cover, a back cover and a back, which at the inside contains a glue layer made of a sort of thermosetting glue, characterized thereby that both the glue of said glue layer and the back of the paper file are made of materials that upon thermal activation enter into a chemical reaction, which provides a mutual permanent bond.

ULTRASONIC REFLEX TRANSMISSION IMAGING METHOD AND APPARATUS WITH EXTERNAL REFLECTOR

SEMICONDUCTOR DEVICE ASSEMBLY AND METHOD OF MAKING SAME

ELECTRONIC ACCESS CARD HAVING KEY PADS AND COILS AND COMBINATION USING THE SAME

METHOD AND APPARATUS FOR VENDING

CLOCK RECOVERING DEVICE

METHOD AND DEVICE FOR MEASURING THE DISTANCE BETWEEN THE DISCS OF A REFINER

APPARATUS FOR MEASURING THE FREQUENCY OF MICROWAVE SIGNALS

FURNACE BOTTOM HEATING

HOT GUNNING ROBOT FOR FURNACE LINING

INSULATING LIGHTWEIGHT REFRACTORY MATERIALS

ZIRCONIA-MODIFIED ALUMINA FIBER

METAL OXIDE MICROSPHERES AND PROCESS FOR MAKING SAME

REDUCING WATER SENSITIVITY OF STRONG ACIDS

HEAT EXCHANGER

SPRING-RETURN TYPE ACTUATOR

TRANSPORT FOR HEAVY LOADS

TIRE BAND STRUCTURE

METHOD OF OPERATING CATALYTIC IGNITION ENGINES AND APPARATUS THEREOF

PREPARATION OF HYDROXYALKYL ESTER OF ACRYLIC AND METHACRYLIC ACID

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