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Class 414/795.1 - Coacting screws


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein there are two rotary elements which (a)
No. of patents: 20
Last issue date: 05/20/2008


NumberTitleIssue Date
7374392Method and device for forming a stack of packets
A method and device for forming a stack of n packets, whereby the packets, fed successively in a substantially horizontal direction to an input of a substantially vertical conveyor channel, are stacked by being lifted, along the conveyor channel, by an n-start screw...
05/20/2008
7153089Storage device
A storage device for storing trays, the device including a first movable member and a second movable member positioned opposite the first movable member. The first and second movable members are adapted to selectively vertically move and support at least one tray th...
12/26/2006
6984098Stacker for plate members, method for stacking plate members, and stacked plate members
A stacker (10) for plate members includes a platform (15) on which plate members (20) are to be stacked and at least one pair of guides (11, 13) disposed at both sides of the platform (15) relative to a transferring direction of th...
01/10/2006
6149378Method and unit for forming group of products
A method and unit for forming groups of products, whereby an orderly first succession of products is fed to an input of a conveying path along which a screw conveyor, rotating continuously about a respective axis and having a given number of variable-pitc...
11/21/2000
6089820Unit for forming and supplying stacks of products to a machine
A unit for forming and supplying stacks of products to a machine, wherein a stacking device lifts the products successively off a continuous supply conveyor to form stacks which are fed along a supporting surface by a pocket conveyor for supplying the mac...
07/18/2000
6050060Unit and method for forming a group of products on a wrapping machine
A unit and method for forming a group of products on a wrapping machine, whereby a continuous supply conveyor feeds a succession of products to an input of a group-forming screw device; and a step-operated supply device, located at an output of the screw ...
04/18/2000
5823738Method and unit for forming stacks of articles
A method and unit for forming stacks of articles, whereby the articles are conveyed on a conveying surface and in a first traveling direction to a pickup station, and are lifted successively in a second traveling direction, crosswise to the first directio...
10/20/1998
5473978Method for the transit of small objects within treatment chambers, and means for its implementation
An apparatus for the transit of objects within treatment chambers including at least one support trolley for supporting food products and having lifting elements arranged at its longitudinal ends. The trolley includes a plurality of links aligned with and...
12/12/1995
5439344Corrugated cardboard box counting and discharging device
A device for counting and discharging corrugated cardboard boxes which is provided in a corrugated cardboard box making machine wherein a rotary screw is arranged for receiving corrugated cardboard boxes one by one forwarded thereto and successively stack...
08/08/1995
5429349Apparatus for buffering transport of document using conical screw conveyers
An apparatus is provided for buffering transport of freshly inked documents. The apparatus has a plurality of opposite, parallel, threaded conical screw conveyers. Each pitch of the screw conveyer creates a drying station for an inked document. As inked d...
07/04/1995
5163073Can end counting system
A can end counting system which receives a stick of converted can ends, separates and counts the can ends, restacks and conveys a pre-determined number of can ends comprising an output stick to an end line packaging station. At least two counter-rotating ...
11/10/1992
4957409Corrugated cardboard box stacking device in a corrugated cardboard box making machine
A corrugated cardboard box stacking device in a corrugated cardboard box making machine wherein the space for stacking manufactured and folded corrugated cardboard boxes is divided into two of lower and upper spaces of a corrugated cardboard box storing s...
09/18/1990
4601386Device for moving objects
An apparatus for moving a plurality of objects or containers for selecting, positioning, or retrieving one of the objects or containers organizes the objects or containers into two similar and parallel packets or stacks. The selection of an individual obj...
07/22/1986
4547114Positive control stacker
A stacker for rigid and semi-rigid sheet or pad-like products forming individual stacks thereof of specific count and with the edges of the product in each stack aligned. The stacker comprises at least one pair of multi-thread screws, being mirror images ...
10/15/1985
4425068Bundle former for paperboard boxes
An improved bundle former for corrugated paperboard boxes in which the timing of the lift mechanisms and the squaring plates is completely independent of the timing of the flexo-folder-gluer. Also, the stacking belt drive roll is mounted near the pull rol...
01/10/1984
4378938Document stacking device
Document stacking device for tags or other documents, which device may comprise counter-rotating helical stacker members, is provided with a gripper mounted thereon for removing the documents from the stacker members. The hopper in which the stacking devi...
04/05/1983
4361082Apparatus for manufacturing waffle blocks
A process and apparatus for manufacturing waffle blocks filled with cream in which individual waffle sheets are moved on a feeder belt into contact with a coating device for coating on one side and are introduced subsequently into a stacking device where ...
11/30/1982
4314785Stacking and packaging apparatus
Apparatus for forming a package containing rows of stacked articles includes a bottom loaded spiral stacker for successively elevating individual articles to be packed, an article conveyor for feeding successive articles to the stacker, a stacking conveyo...
02/09/1982
4260311Method of and apparatus for high speed production of absorbent pad lined rectangular sloping walled polystyrene foam meat packaging trays
The basic structure of the tray of the invention is specially designed to be produced in a high speed hot polystyrene foam press (such as shown in U.S. Pat. No. 3,830,611) and the invention matches the production rate of this basic tray structure by a met...
04/07/1981
4108319Glass accumulator
A glass accumulator includes a first pair and a second pair of helically threaded rotating shafts angled away from each other. The first and second pair of shafts are rotated in opposite directions to vertically displace glass sheets from a horizontal con...
08/22/1978
 
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