Matches 151 - 200 out of 237 < 1 2 3 4 5 >
Match Document Document Title
5887232 Apparatus for dispensing toner in an electrophotographic printing system  
An apparatus for dispensing toner in an electrophotographic printing system includes a housing for containing a supply of toner and toner filled containers for replenishing the supply of toner....
5878307 Toner container having rotary seal  
A toner cartridge for supplying toner to a replenishment apparatus of an electrophotographic imaging device has an elongated cylindrical container filled with toner. The container has a...
5876541 Method for resealing a toner cartridge  
An original equipment type seal for recharged toner cartridges can be installed without splitting the cartridge itself, by screening a border of "hot-melt" type adhesive, preferably wax-based, onto...
5870652 Developer cartridge featuring a developer replenishment hole and removable cap having a gripping member for sealing the hole and a remanufacturing method using the same  
A developer cartridge comprising a cylindrical portion for accommodating a developer, being provided with a hole at a longitudinal end, wherein the developer is capable of being supplied into the...
5839027 Magnet less sealable developer cartridge  
A removable, sealable, magnet-less cartridge for use in a reproduction apparatus of the type having a control device to control the apparatus, a photoreceptor to receive toner through a...
5835822 Image-forming apparatus comprising a process unit  
An electrophotographic image forming apparatus includes an electrostatic latent image carrying body, an electric charger for uniformly electrifying the carrying body, an optical exposure unit to...
5826140 Method of remanufacturing toner cartridges  
A seal for sealing a toner filling aperture of a housing of a refilled toner cartridge is provided. The cartridge includes a ruptured closure positioned on the housing adjacent the aperture. The...
5822653 Toner cartridge avoiding spillage of toners  
A toner cartridge includes a toner cartridge body formed with a toner outlet, and a shutter mechanism provided movably closing the toner outlet, the shutter mechanism including a shutter element...
5812915 Press fit fill plugs with uniform sealing ability  
A plug for use in plugging an aperture in a container for storing a supply of particles for use in a developer unit of an electrophotographic printing machine is provided. The plug includes a base,...
5794101 Process cartridge with seal members  
A process cartridge removably mountable onto a main body of an electrophotographic image forming apparatus includes an electrophotographic photosensitive member, a developing device for developing...
5790923 Developing apparatus  
A developing apparatus includes a container, having an opening, for containing magnetic developer; a developer carrying member, rotatably disposed in the opening, for carrying the magnetic...
5778282 Developer supplying container, developing device having same and process cartridge  
A guide surface for engaging by a flexible film member closing a developer discharge opening of a developer supplying container is disposed at a downstream side of an elastic seal member against...
5758231 Venting plug in toner cartridge  
Hopper plug (143) vents out air pressure build-up which cause toner leaks. One side of the plug has a series of entrance openings (491) which communicate with the inside of the hopper (61). Air,...
5752131 Developing apparatus with a removable sealing film and process cartridge and image forming apparatus including such a developing apparatus  
A developing apparatus for developing a latent image formed on an image bearing member includes a first frame having a developer container for containing a developer; a second frame having a...
5745822 Image forming apparatus incorporating mechanism for automatically unsealing toner cartridge  
An image forming apparatus capable of unsealing a toner cartridge automatically and suitably as the toner cartridge is replaced with a new cartridge. The image forming apparatus includes a...
5742877 Toner cartridge sealing film retaining configuration  
In a toner cartridge for supplying toner to the developing unit in a xerographic image forming apparatus, the casing containing toner has two toner discharge openings sealed prior to installation...
5740506 Toner cartridge breather cap  
A device is provided for storing a supply of particles for use in a developer unit of an electrophotographic printing machine. The device includes an open ended container defining a chamber in...
5740499 Image forming apparatus including process cartridge having elastic sealing members interposed between frames  
The present invention relates to a process cartridge detachably mountable to a main body of an image forming apparatus, and which has an electrophotographic photosensitive member, a process device...
5729794 Toner container having a web seal  
A toner container has an opening through which toner is dispensed. It is covered by a web seal which is removable by an operator to dispense the toner. A cleaning edge is positioned to engage the...
5708925 Developing agent supply container, process cartridge, and electrophotographic image forming apparatus  
This invention relates to developing agent supply container for supplying a developing agent to a developing agent storage container for storing the developing agent used for developing a latent...
5708913 Coating apparatus, process cartridge and electrophotographic image forming apparatus  
A coating apparatus for coating liquid-form material to be solidified as an elastomer on a coated member in order to form a seal member for preventing toner leakage, includes an injection member...
5689773 Exchangeable toner cartridge for an image forming apparatus  
An improved exchangeable toner cartridge installed on a developing unit of an image forming apparatus includes a first seal detachably attached to the bottom thereof for closing off a toner...
5689772 Frame, developing apparatus, process cartridge and electro-photographic image forming apparatus having a toner frame and a developing frame coupled thereto  
A frame for a developing device for a process cartridge detachably mountable to a main assembly of an image forming apparatus, includes a developing frame having a mounting portion for mounting a...
5666586 Apparatus for installing a toner cartridge  
A toner cartridge installation unit for an image forming device is disclosed which allows proper toner cartridge installation to take place. The installation unit includes at least one detection...
5655180 Toner cartridge with a rotary element which is attachable to and detachable from a developing apparatus  
A rotary element is rotatably attached to a cartridge main body, which is attachable to and detachable from a developing apparatus. The rotary element has an opening/closing portion for a toner...
RE35529 Copier and printer toner hopper sealing device  
A toner hopper seal-insert and slide-seal to provide for the shipping and transporting of a refilled toner cartridge. The seal-insert is comprised of two slotted rectangular strips or pieces of...
5621508 Replacement seal for toner hopper  
An An apparatus for confining toner within a toner hopper aperture flange of a cartridge. The apparatus contains a frame which has a rigid plastic core, a first vertical end, and a second vertical...
5594535 Refillable toner cartridge  
An apparatus for refilling an electrophotographic imaging system. A refill pack is constructed around a frame. A collapsible bag, which is permanently attached to the top of the frame, along with a...
5576816 Toner cartridge internal plug  
A device is provided for storing a supply of particles for use in a developer unit of an electrophotographic printing machine. The device includes an open ended container defining a chamber in...
5555080 Slide cover for marking particle cartridge  
A marking particle cartridge including a container defining a marking particle storage chamber and an opening communicating with such chamber through which marking particles may pass, a removable...
5548384 Toner supply cartridge  
The present invention relates to apparatus for dispensing toner comprising a generally cylindrical container for containing a quantity of toner, at least one end aperture and at least one toner...
5515143 Toner cartridge with seal body capped unit  
A toner cartridge including an engaging protrusion and an engaging concavity on a capped unit formed at one end surface of a container, and on a seal cap capped rotatably on the capped unit, a...
5491542 Developer supplying container and assembling method thereof  
A developer supply container includes a developer containing portion having an opening for supplying the developer therefrom; a shutter for closing the opening; a shutter support for supporting the...
5483322 Developing unit for an electrophotographic apparatus  
A developing unit for an electrophotographic apparatus comprises a photosensitive body for forming a latent image thereon, a developing roll utilizing two-component developer containing toner and...
5452066 Shutter seal assembly  
A shutter seal assembly for opening and sealing an aperture on a surface including a frame having raised mounting ridges along its periphery on a first side, an aperture through the frame from the...
5434656 Apparatus for supplying developer and toner in electrophotographic imaging  
The object is to carry out developer feeding and toner supplement in a short time without scattering dust particles around, in view of the effectual use of natural resources and space saving. A...
5434654 Toner cartridge with air permeable member  
A toner cartridge of the present invention includes a container for containing toner, a toner discharge port, a sealing member for sealing the toner discharge port, an air communicating hole having...
5414499 Developing device for image forming apparatus having improved air/toner filtering  
A developing device for an image forming apparatus and operable with a developer cartridge mounted on, for example, the top of a hopper thereof. When the cartridge is inserted into a predetermined...
5412364 Toner pack and development device for use in electrophotographic apparatus  
A toner pack for use in an electrophotographic apparatus is formed of a polypropylene resin containing 30 to 50 wt % calcium carbonate filler. This resin has a high deformability, and generates a...
5404212 Toner cartridge seal  
A technique for providing an easy to remove leak-proof seal for shipment of a remanufactured toner cartridge. An adhesive-backed sealing strip is disposed over the feed roller of the hopper so that...
5387964 Developing apparatus including a partition between a developing roll and a stirring member  
A developing apparatus having: a developing roll for carrying a developing agent, a stirring chamber for feeding the developing agent, and a partition board arranged upright therebetween along the...
5363177 Method of stripping a sealing member from a toner cartridge  
An opening for discharging toner is formed in a lower part of a cartridge body containing toner. A shutter mounting body is mounted on the opening. A first shutter is slidably mounted on the...
5341196 Image forming equipment using a toner cartridge  
Image forming equipment of the type supplying a toner to a developing device thereof by using a cartridge which is filled with a toner. The cartridge has a sealed opening and is brought to a toner...
5325162 Color image forming apparatus and toner container  
A toner container has three chambers for holding three different color toners. The container is receivable by a receiving structure having a pair of opposing slots for receiving flanges on the base...
5325163 Cartridge type developer supplier and developing device formed as exchangeable unit  
A cartridge type developer supplier, detachably mounted in a developing device for an image formation apparatus such as an electrophotographic recording apparatus, includes a container for holding...
5311265 Toner loading system and method  
A toner loading system for use with reprographic machines which reduces powder clouding and minimizes toner spill during loading. A toner cartridge is mountable on a toner housing. The housing...
5309208 Method and device for eliminating toner leakage from a toner cartridge  
A toner cartridge for use with a copier having a toner hopper with a first interlocking seal including a second interlocking seal being specially adapted to mate with the first interlocking seal of...
5303008 Seal-forming device for a toner receiving aperture  
A seal-forming device for a replenishment toner receiving aperture of a development apparatus includes a resilient member mounted to the development apparatus and around the aperture. The...
5296902 Apparatus and method for providing a removable seal between the toner hopper and feed roller compartment of a toner cartridge assembly  
An apparatus and method for providing a removable closure seal between the toner hopper and the toner feed roller compartment of a toner cartridge assembly used in printers, copy machines and...
5294963 Toner cartridge having opening for discharging toner sealed with sealing member and method of stripping sealing member  
An opening for discharging toner is formed in a lower part of a cartridge body containing toner. A shutter mounting body is mounted on the opening. A first shutter is slidably mounted on the...
Matches 151 - 200 out of 237 < 1 2 3 4 5 >