This invention provides an un-vulcanized butyl revival rubber and its manufacturing method. It utilizes a butyl revival rubber with prefect water-resistance effect to be added with a suitable ethylene propylene diene M-class (EPDM) rubber in order to enhance tensile force of colloid and avoid base fabric shrinking, and form a water-resistance product with good water-resistance, weather ability, st...

The object of the invention is to provide heat insulating wall structure which is simple and in which the execution of works is easy, a cold (thermal) bridge is prevented by reducing heat conduction to a metal framework and the rust of the framework and internal dew condensation can be prevented. To achieve the object, a bearing plywood 2 is fastened to the outside of the metal frame 1, a furring ...

The present invention discloses process and apparatus for flattening arc bamboo sheet. During flattening arc bamboo sheet, radial force is applied while dispersed crack-preventing holes are formed in the yellow layer of the arc bamboo sheet. The process of flattening arc bamboo sheet includes the first heating to soften bamboo material, and the subsequent flattening. The apparatus for flattening a...

A mold includes a pot for accommodating resin, a cavity for accommodating a semiconductor chip to be resin-molded and a runner as a resin passage for transporting the resin accommodated in the pot to the cavity. A foreign matter retention pocket is disposed which is a recess formed by digging further a partial inner surface of the runner. A runner magnet attracts and attaches a metallic foreign ma...

Discloses is: (i) a molding-system lock, (ii) a molding system having a molding-system lock, and/or (iii) a method of a molding-system lock, amongst other things.

A method for manufacturing a light guide plate ( 70 ) includes: providing a first substrate ( 30 ); coating a photo-resist ( 600 ) on the first substrate; exposing the photo-resist using a photo mask; developing the photo-resist; anisotropically dry etching the first substrate; removing remaining photo-resist ( 640 ), thereby providing a mold ( 40 ); providing a second substrate ( 50 ) and a hot-e...

The present invention relates to an opaque polyimide coverlay, which is made of a transparent protection coverfilm coating with black epoxy adhesive, wherein the opaque polyimide using a transparent and heat resistant polyimide film is used as a protection coverfilm instead of using a higher cost of black polyimide film and using a black epoxy adhesive comprising carbon black powder instead of usi...

Prepregs, laminates, printed wiring board structures and processes for constructing materials and printed wiring boards that enable the construction of printed wiring boards with improved thermal properties. In one embodiment, the prepregs include substrates impregnated with electrically and thermally conductive resins. In other embodiments, the prepregs have substrate materials that include carbo...

A screen printer is provided to perform printing with high precision and high speed by creating a negative pressure inside a squeegee so as to accurately transfer paste to a target portion. A screen printer comprises a squeegee head(2), a negative pressure supply device, a pressure meter and a pressure control device. The squeegee head supplying paste from an opening of an upper surface of a mask ...

Disclosed is a print apparatus including a rotating unit rotating a printed object, a print head printing visible information by ejecting ink droplets onto the printed object being rotated by the rotating unit, and a control unit generating ink ejection data based on the visible information and controlling the print head based on the ink ejection data. In the print apparatus, the control unit conv...

An ink jetting method with high density and overlapping printing is disclosed. The method is carried out by the use of a control signal to offer suitable time shift. With several overlapping printing operations, the ink droplets that want to be jetted on the print media along a direction vertical to the moving direction of the print media are not printed on same position and cause small overlaps. ...

An ink jet head movable in a main scan direction includes a first ejection outlet array and a second ejection outlet array disposed adjacent to the first ejection outlet array, wherein amounts of liquid ejection of ejection outlets of the first ejection outlet array and amounts of liquid ejection of ejection outlets of the second ejection outlet array are different from each other, a common ejecti...

The inkjet maintenance device cleans a printhead with a wiper on a first platform and cleans the wiper with a scraper on a second platform. Two slits with different shapes disposed on a base of the maintenance device allow the first platform and the second platform to slide respectively. In a single stroke of maintenance, the first platform and the second platform are simultaneously pushed substan...

A liquid container detachably mountable to a recording apparatus, wherein the recording apparatus includes a feeding passage for feeding a recording material, a carriage for scanningly moving a recording head in a direction crossing with a feeding direction of the recording material, and a mounting portion to which the liquid container is mountable, the liquid container includes light reflection m...

Inkjet printers are provided. An inkjet printer includes an ink tank, an inkjet unit, a first slider, and a cam mechanism. The inkjet unit includes a reservoir, and the reservoir has a first valve with the first slider movably connected thereto. Ink is transferred from the ink tank to the reservoir when the first valve is open. The cam mechanism includes a shaft and a first cam fixed thereto. When...

An ink storage module includes a base, a clamping structure, a pipeline, and a blotting structure. The clamping structure is connected to the base to create a monolithic structure. The clamping structure has at least one ink outlet. An end of the pipeline is connected to a pump for receiving remnant ink pumped by the pump, and another end of the pipeline is connected to the clamping structure in a...

A carrier is disclosed. The carrier includes a main body having a receiving frame; an ink supply structure having an ink supply unit having an ink supply chamber connected with an ink receiving opening, an elasticity element, a plug, and a jammed part having an ink supply trench, wherein the elasticity element is used for pushing the plug to close the ink supply trench of the jammed part in normal...

A method of generating a mask for converting a first binary number having a first number of bits to a second binary number having a second number of bits, said first number of bits being greater than said second number of bits, comprising the steps of: defining a key having a third number of bits, said third number of bits being divisible into said first number of bits to form a quotient; dividi...

A driving circuit with preheat function for inkjet printhead is disclosed. The driving circuit is used in the chip of inkjet printhead. The driving circuit includes a heater and six switching circuits and is employed to receive the power signal, print-data signal, heating control signal and preheat control signal. The heater heats portion of the ink so that the ink can be jetted out via the nozzle...