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Class 198/663 - Separate, parallel formations supporting same load


Subclass of Class 198 - Conveyors: power-driven
Definition: Apparatus wherein the helical surface formations comprise
No. of patents: 38
Last issue date: 04/29/2008


NumberTitleIssue Date
7364031Split spin bar for use with plastic lid handling system
An apparatus for handling horizontally oriented flat circular articles, such as plastic lids, employs a pair of parallel rotating spin bars, one of which is divided or split into a shorter lid entry section and a longer lid discharge section. The shorter lid entry s...
04/29/2008
7255223Mixture with a smooth throughput
A transport device for transporting a transportable product, especially a bulk-type product, includes an essentially cylindrical chamber containing at least one shaft which extends along the cylindrical chamber and comprises a plurality of first transport elements f...
08/14/2007
7044289Screw conveyor for the transport of flowable substances and/or lumps of material
A screw conveyor for the transport of flowable substances and/or lumps of material comprises a rotatable first screw (1) provided with helical windings (2) arranged in a housing (3) with an inlet opening and an outlet opening. The housing (3
05/16/2006
7017732Multiple extruder configuration
The invention concerns a multiple-extruder configuration in which two co-rotating twin-screw extruders and a counter-rotating twin screw extruder are connected to each other with respect to the flow of material. ...
03/28/2006
6991089Cooling station for disk-shaped substrates
A cooling station for data carrier disks, in particular for injection-molded substrates of optically readable data carriers, such as CD, CD-R, DVD, CD single, DVD single and the like, has at least three rotatable cooling spindles which are arranged in spaced-apart p...
01/31/2006
6976819Tank having multiple screw-type transfer augers
A multi-screw auger equipped tank comprises opposing sides sloping downward and inwardly toward one another. A plurality of shaftless screw transfer augers run along the tank bottom. Drivers and transmissions coupled to the transfer augers permit simultaneous rotati...
12/20/2005
6808354Tank having multiple screw-type transfer augers
A multi-screw auger equipped tank comprises opposing sides sloping downward and inwardly toward one another. A plurality of shaftless screw transfer augers run along the tank bottom. Drivers and transmissions coupled to the transfer augers permit simultaneous rotati...
10/26/2004
6543606Spiral singulator
Log indexing apparatus includes a frame and a series of laterally spaced spiral rolls that are inclined from front to back between the infeed and the outfeed, and are also inclined sideways. The spiral rolls are rotated synchronously and are arranged so t...
04/08/2003
6446790Link for sharp chain conveyor
A spiked H-style link for a sharp chain conveyor where the single centrally-placed saddle of the prior art is replaced by a double saddle with a centrally-located opening shaped to receive a sprocket tooth. The double saddle moves each saddle outward from...
09/10/2002
6419080Spiral singulator
Log indexing apparatus includes a frame and a series of laterally spaced spiral rolls that are inclined from front to back between the infeed and the outfeed, and are also inclined sideways. The spiral rolls are rotated synchronously and are arranged so t...
07/16/2002
6364091Conveying device for forming and conveying groups of products
On a conveying device for forming and conveying groups of products, a screw conveyor is supplied at the input with an orderly succession of products, and has an input portion along which the products are formed into groups, and a tubular output portion fo...
04/02/2002
6357577Conveyor arrangements with multiple shaftless screws
The present invention relates to a vertical conveyor (2) with double spirals (21, 31). The vertical conveyor (2) consists of a casing (20) and two shaftless spirals (21, 31). The spirals (21, 31) are driven each by a motor (24) via a gear and journal unit...
03/19/2002
6298751Drive transmission apparatus for twin-screw extruder
A drive transmission apparatus for a twin-screw extruder is provided which transmits a rotational driving force from a single prime mover to a first screw and a second screw disposed in parallel to each other, which comprises a transmission shaft, two idl...
10/09/2001
5816570Apparatus for buffering the transport of documents
The apparatus of this invention is a buffering device for the transport of documents that comprises four variable pitch screws that have a tapered outside diameter and a tapered root diameter at the input portion of the screw. A upstream screw and a downs...
10/06/1998
5806686Sorting device and its use
The present invention provides a unique mechanical method and device for sorting pieces (e.g. vegetables and fruits) of any desired size from unsorted and irregularly sized pieces. The device includes a pair of elongated cylindrical brushes, one of which ...
09/15/1998
5547182Apparatus for feeding distorted documents
An apparatus for buffering transport of inked, distorted documents is comprised of an upper deck oriented at an acute angle. The apparatus has a plurality of opposite, parallel, threaded screw conveyers orthogonal to the upper deck. The screw conveyers ar...
08/20/1996
5472076Device for changing the position of a lid
Two cooperating spiral conveyors are provided between a transport device having a transport plane and a transport segment. The conveyors are driven in opposite directions and are provided with opposite thread directions. The axes of the spiral conveyors a...
12/05/1995
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
5409206Apparatus for buffering transport of documents
An apparatus for buffering transport of freshly inked documents is comprised of an upper deck oriented at an acute angle with respect to a horizontal plane. The apparatus has a plurality of opposite, parallel, threaded screw conveyers orthogonal to the up...
04/25/1995
5350051Agitator apparatus for cylindrical articles
An apparatus for agitating cylindrical articles in a bulk flow and removing non-aligned articles from the flow includes a plurality of parallel, spaced rotating pins having helical threads on an outer surface. The flow of articles is directed through the ...
09/27/1994
5076416Method and device for successively feeding flat products
A method and device for successively feeding flat products, i.e. flat slab-shaped products such as sweets or biscuits, into groups consisting of a number of products arranged on edge; whereby the products, laid flat, are fed successively on a conveyor to ...
12/31/1991
4969348Feed system for a redraw press
This invention provides a feed system comprising a base on which a portion of the article being fed rests. The base extends along a feed path for the article. The feed system also includes at least one rotatable feed screw lying in an axis parallel to the...
11/13/1990
4953712Grading rolls for agricultural, horticultural and other articles
A grading roll is provided having parallel and circumferentially closed sinuous grooves on the roll surface. The grooves are spaced axially along the longitudinal cross-sectional direction of each groove varies twice in angle with the roll axis, i.e., fro...
09/04/1990
4820375Screw type rod feeding and placement mechanism
A rod feeding and placement mechanism for use in apparatus for making hanging file folders comprises a magazine wherein a plurality of flat, elongated, metal rods are vertically stacked, one above another. A pair of laterally spaced-apart, horizontally di...
04/11/1989
4804111Mechanism for metering solid materials which flow in a manner similar to liquids
An improved metering mechanism for metering highly aerated or fluidized solid materials in a controlled manner is disclosed. The mechanism consists of a bin discharger attached above a rotary feeder assembly. The bin discharger has two augers which rotate...
02/14/1989
4760910Aligning and feeding apparatus for elongated pieces
An apparatus for aligning and feeding elongated pieces, having a rotary drum which is provided on one side of a passage of the elongated pieces extending in the lengthwise direction thereof and which is rotatable about an axis parallel to the passage. The...
08/02/1988
4625499Device for loading products to a predetermined location
A loading device including a frame, a stopper provided along the path through which the products are fed to the predetermined location, a threaded column supported in the frame and rotating in such a manner that the upper surfaces of the threads thereof m...
12/02/1986
4535552Spaghetti dryer
Wet and pliable strands of freshly extruded spaghetti are draped over horizontally disposed rods whose respective ends rest in helical grooves in a first pair of mutually parallel, rotating shafts which carry the rods and the spaghetti through a drying ov...
08/20/1985
4512228Automatic sausage slicing machine for salami and like products
An automatic sausage slicing machine for salami and the like comprises a framework carrying an electric motor which drives an orbital blade and a feed device for continuously feeding a line of products to be sliced towards the path of displacement of the ...
04/23/1985
4511026Apparatus for the storage and mechanical transfer of stock or matrix capacitors
The present invention relates to an apparatus for the storage and mechanical transfer of stock or matrix capacitors in the form of substantially parallelepipedal bars obtained by stacking films of metalized plastic material on a wheel of large diameter. A...
04/16/1985
4484606Silo bag filling machine
A device for filling a bag with material is disclosed. The device includes a shroud ring adapted to hold a pleated bag and an auger device for forcing material from a hopper through a tube to a funnel and into the bag. The entire device is mobile so that ...
11/27/1984
4430057Calciner screw construction
In a calciner of the type having a radiant heat source and a screw conveyor for advancing material to and through a calcining reaction chamber by means of mated, intermeshing, rotating conveyor screws, an improvement comprising scraper means attached to a...
02/07/1984
4412567Silo bag filling machine
A device for filling a bag suitable for curing silage including a shroud ring adapted to hold a pleated bag, an auger device for forcing material from the hopper in which the auger lies into the bag. The entire device is mobile so that the bag can be plac...
11/01/1983
4280538Insulation packaging machine
A machine and method of packaging loose fill material such as fiber insulation into a rectilinear bag is described consisting of a storage tank above a trough enclosing twin counter rotating augers which forcibly drive the loose fill material into a passa...
07/28/1981
4140214Delivery device for a container of bulk material
At least one pair of vertically superimposed conveyors are located in the bottom region of a bunker in order to discharge the bulk material. The conveyors are spaced apart to create a void or at least a loosened zone free from horizontal pressures in the ...
02/20/1979
4078653Rotary piston conveyor with a minimum of two rotors
A rotary piston conveyor comprising a plurality of interengaged rotors in which at least one rotor is driven and, in turn, drives the other rotors. Each pair of adjacent rotors have spiral vanes which mesh to form the conveyor path as the rotors rotate. T...
03/14/1978
4077528Treatment plant
A plant for physical or thermal treatment of products supported upon rectangular carriers, said plant comprising a vertical conveyor for moving the carriers upwards and downwards from in inlet station to an outlet station, the conveyor being constituted b...
03/07/1978
4024920Root crop harvester
A root crop harvester having an annular root elevating conveyor supported for rotation about a horizontal axis and for elevating mud laden roots, a retaining mechanism to contain roots being elevated in the conveyor and a cleaning mechanism for removing m...
05/24/1977
 
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