摘要:
Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium compound to prevent bleed of inks.
摘要:
A tubular eraser for erasing ink or pencil marks comprises an elongated body of a rubber material. The elongated body has an insertion hole of a predetermined length and extending along the direction of the axis of the elongated body for accommodating an ink reservoir of a ball-point pen.
摘要:
A pencil-shaped eraser comprising an elongate tube for placing a bar eraser therein, a sleeve to fit around a lower portion of the tube movably, the lower portion of the tube having a plurality of claws divided by slots and movable inward, the claws respectively having a larger diameter constricting section and a smaller diameter loosening section, the sleeve having a hollow passageway consisting of a distal smaller diameter section and a proximal larger diameter section, the distal constricting section constricting the constricting section of the tube so that the claws may be compressed inward to constrict a bar eraser a little protruding out of the claws.
摘要:
Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium compound to prevent bleed of inks.
摘要:
An inexpensive applicator in which the air within the inner barrel of a cap enters the fluid tank of the applicator to increase the internal pressure thereof in the process where the cap is engaged with the neck of the applicator, so that the fluid tank need not be pressed between the fingers for application of the fluid to be applied, the cap having in the inner barrel thereof a cylindrical valve member made of a highly flexible material and provided with a diaphragm or with a diaphragm having a ball-like portion formed thereon, and the application member being designed to be retracted and spaced from the caulked front edge of the tip when the application member is abutted against the diaphragm or the ball-like portion of the valve member in the process where the cap is engaged with the body of the applicator, whereas the elastically deformed diaphragm or the ball-like portion of the valve member is designed to close the front end opening of the tip when the cap is fully engaged with the neck.
摘要:
Disclosed is an applicator in which the air within the inner barrel of a cap is designed to enter into the fluid tank of the applicator to increase the internal pressure of the fluid tank in the process that the cap is engaged with the body of the applicator, so that the fluid tank need not be pressed between the fingers for application of the fluid to be applied. The cap has a valve member provided with a pushing piece disposed in the inner barrel thereof, and the application ball is designed to retract from the caulked front edge of the tip when the application ball is abutted against the pushing piece of the valve member in the process that the cap is engaged with the body of the applicator, whereas the application ball is designed to disengage from the pushing piece of the tip and resume contact with the caulked front edge of the tip when the cap is fully engaged with the body of the applicator.
摘要:
Method and devices for erasing and writing on magnetic particle oriented media are described. Erasure is caused by moving a magnetic field which enters and exits the media at a finite angle but stays parallel to the media in some region. A magnetic stencil comprising regions of dissimilar permeabilities is described. The magnetic stencil can be used in conjunction with the erasure means to simultaneously create alternating fields parallel and normal to the media thereby permitting information to be written over any previously recorded information without requiring a seperate erasure step.
摘要:
An implement for applying liquid having an elastic container for containing liquid, a head cylinder connected to the elastic container, and a liquid applying member provided in the head cylinder for applying liquid to a desired application surface, the elastic container having in an opening thereof a valve assembly for supplying and blocking liquid from the elastic container to the head cylinder and pressing portions in sides thereof, the valve assembly being actuated by pressing the pressing portions, the elastic container including an oval cylindrical portion having an elliptical cross section consisting of short arcuate portions and long arcuate portions, the long arcuate portions having actuators in the form of inward projected recesses at central portions thereof, respectively, for acting as pressing portions, the valve assembly including a valve rod carrying a slide member having a tapered surface, the slide member being disposed between the two actuators.
摘要:
An eraser mover for use with a power eraser comprising mechanical means for sliding the eraser out of its holder by inserting prongs into the eraser and moving the prongs outwardly.
摘要:
An implement for applying liquid includes an elastic container for containing liquid, a head cylinder connected to the elastic container, and a liquid applying member in the head cylinder for applying liquid to a surface, the elastic container having in an opening thereof a valve assembly for supplying and blocking liquid from the elastic container to the head cylinder and pressing portions in the sides thereof, the valve assembly being actuated by pressing the pressing portions. The elastic container includes an oval cylindrical portion having an elliptical cross section consisting of short arcuate portions and long arcuate portions, the long arcuate portions having actuators in the form of inward projected recesses at central portions thereof respectively for acting as pressing portions, the valve assembly including a valve rod carrying a slide member having a tapered surface, the slide member being disposed between the two actuators.