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Class 271/284 - Opposed pneumatic attracting means


Subclass of Class 271 - Sheet feeding or delivering
Definition: Apparatus wherein oppositely located pneumatic attracting
No. of patents: 15
Last issue date: 08/17/2010


NumberTitleIssue Date
7775520Paper sheet conveyance apparatus and image forming apparatus
There is described a paper sheet conveyance apparatus, which makes it possible to surely separate the overlapping paper sheets from each other irrespective of a kind of paper. The apparatus includes: a thickness detecting section to detect a thickness of a paper she...
08/17/2010
7770889Sheet material sorter and pneumatic conveyance/diverting system therefor
A sortation bin module having a conveyor and diverter module for pneumatically securing, releasing and diverting selected mailpieces to a bank of sortation bins. The conveyor module includes a conveyor surface for transporting sheet material along the feed path and ...
08/10/2010
7244222Apparatus for and method of positioning a slider on mating zipper elements
An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path s...
07/17/2007
7163133Apparatus for and method of moving a slider along mating zipper elements
A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating...
01/16/2007
5879505Sheet separator for image recording process
In a separator for separating a stripping sheet from a composite film formed by a base sheet and the stripping sheet which are superposed with each other, the composite film is first so carried and arranged that its forward end portion extends over a sepa...
03/09/1999
5226870Vacuum drum purge method and apparatus
A method and apparatus for supplying gas to a vacuum drum device and which substantially reduces or eliminates the problem of particle and debris buildup in the vacuum passages of the device is provided. The apparatus supplies gas, preferably at a pressur...
07/13/1993
5163673Sheet-processing machine that prevents double feed by diverting the extraneous sheet
A feed table for a sheet processing machine, includes a double-sheet detector, and a device controllable by the detector for separating out double sheets, respectively, supplied to the feed table together with sheets to be printed, the device including fi...
11/17/1992
4919415Multiple delivery system
A high speed product delivery system is provided which delivers individual flexible web products from a product drum to a plurality of transfer drums. The transfer drums, in turn, deliver products to further transfer drums or to packaging devices. The sys...
04/24/1990
4772008Apparatus and method for double sheet separation by vacuum ports
An apparatus and method for separating doublets includes a device in which opposed surfaces that are connected to a vacuum source have a rippled portion in which vacuum slots are positioned at the apex of the ripples. There is a gradual transition in the ...
09/20/1988
4736942Apparatus for separating moving superposed fabric layers
Apparatus for separating moving superposed fabric layers includes structure defining upper and lower spaced-apart, opposed surfaces between which the superposed fabric layers are conveyed. Provision is made for directing jets of gaseous fluid along the su...
04/12/1988
4702471Article transport arrangement
An article transport arrangement for conveying articles along a pair of generally parallel transport paths from a first location to a second location includes a pair of vacuum belt conveyors which extend between the first and second locations, generally a...
10/27/1987
4526360Process and apparatus for feeding bands to a pack
A method and apparatus for feeding sheet shaped blanks to an article. The blanks are extracted from a magazine by a blank conveyor at a first point, and, occasionally, more than one blank is erroneously extracted. To ensure that only one blank is conveyed...
07/02/1985
4515470Apparatus for exposing and then separating superposed original and light-sensitive sheets
An apparatus, such as in a copying machine, by which an original sheet and a light-sensitive sheet can be fed along separate feed paths toward and onto one another and then one upon another through a station for exposure of the light-sensitive sheet to a ...
05/07/1985
4397460Overlapped document detector
An overlapped document detector for a document handling apparatus comprises an air knife in the primary document path to separate overlapped documents and forward them along separate ones of two secondary paths. Optical detectors focused on each secondary...
08/09/1983
4266654Method and apparatus for separating groups of workpieces being conveyed in superposed overlapping formation
Overlapping sheet articles on a first suction conveyor are intermittently diverted in groups by a lowerable second suction conveyor having a direction-changing roller which can be intermittently applied to the first conveyor and moved along therewith at t...
05/12/1981
 
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