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...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.

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Class 198/604 - Load simultaneously engaged between and moved by coacting conveyors


Subclass of Class 198 - Conveyors: power-driven
Definition: Apparatus including at least two conveyors which cooperate
No. of applications: 14
Last issue date: 02/23/2012


Application No.Application TitleIssue Date
20120043182MULTI-TRACK HELICAL CONVEYOR
A conveyor for conveying products comprises at least a drivable helically-shaped inner track conveyor member and a drivable helically-shaped outer track conveyor member. The outer track conveyor member surrounds the inner track conveyor member. The pitches of the inner ...
02/23/2012
20120031737DEVICE FOR CONVEYING OBJECTS IN PACKAGING MACHINES
The device for conveying objects in packaging machines has a first endless transport unit, which moves first driver elements; a second endless transport unit, which moves second driver elements; a motor-driven drive shaft, which drives the first endless transport unit; ...
02/09/2012
20110315510TRANSPORT DEVICE FOR FLAT PRODUCTS
A device and a method for transporting flat products comprising at least one feeder and a first transport unit having at least two transport elements that can be set against side edges lying opposite one another of the flat products. The flat products can be gripped by ...
12/29/2011
20110303509Battery Exchange Station
At the battery exchange station a discharged battery is removed and a charged battery is inserted into an electric vehicle. The battery is inserted and removed along a vertical axis, i.e., into and out of the bottom of the vehicle. The battery exchange system is located...
12/15/2011
20110174595Device for Leveling Metal Stock
A device for leveling metal stock, which is moved during operation from an infeed side of the device to an outfeed side, includes:
07/21/2011
20110139583ACTIVE SOLIDS SUPPLY SYSTEM AND METHOD FOR SUPPLYING SOLIDS
A solids supply systems having a solids deaeration zone and a solids pump zone, and to methods for supplying the solids e.g., pulverized dry coal, to an application, e.g., gasification process. The solids deaeration zone includes a roller system containing a plurality o...
06/16/2011
20110120836CATERPILLAR TRACTION APPARATUS
A caterpillar traction apparatus (110), wherein two pairs of pulleys (122 & 123, 132 & 133) can be driven at different speeds, so that the linear member (40) being driven by the mechanism is subjected to either compression or e...
05/26/2011
20110056803STRAND GUIDE, IN PARTICULAR FOR A CONTINUOUS CASTING INSTALLATION FOR STEEL SLABS
The invention relates to a strand guide (1), in particular for a steel slab continuous casting installation having a number of segments (2) which support a strand (3) on two opposite sides (4, 5) with support elements (6, 7), wherein t...
03/10/2011
20100193332CONVEYING SYSTEM FOR TRANSPORTING MATERIALS, IN PARTICULAR BULK MATERIAL
A conveying system for transporting materials, in particular bulk material, can comprise a first conveying element which is configured to receive the materials and to transport the same in a transport direction and can be moved in the same direction in the transport dir...
08/05/2010
20100032263MANUFACTURING METHOD FOR ABSORPTIVE ARTICLE
A manufacturing method for an absorptive article having a waistband member, includes: transporting a continuum (for example, second to seventh continuum) including waistband regions 1A and 1B corresponding to the waistband member. In the transporting, the ...
02/11/2010
20080128246COMPRESSING AND CONVEYING ARTICLE THROUGH SHRINK PACKAGING MACHINE
An apparatus for conveying an article through a hot air chamber of a shrink packaging machine comprises a first conveyor and a second conveyor. Each conveyor includes a plurality of rollers. The rollers of the plurality are interconnected together to form an endless con...
06/05/2008
20070017782Conveyor transfer system
A transfer system that laterally grips an open container at a position along a first belt upstream of a conveyor transfer and then transfers the container across the interface between belts before depositing the container on a second belt downstream of the conveyor tran...
01/25/2007
20060157321Product supply apparatus
In a product supply apparatus 3 for successively receiving products X, transported from a previous processing station, and then supplying them towards a quality inspecting machine 4 positioned downstream thereof, there is provided upper and lower conveyors...
07/20/2006
20050077150ROTARY POWERED SNACK PIECE TURNOVER
A flipping apparatus for turning over product pieces such as potato crisps having a first conveyor and a second conveyor. A terminal portion of the first conveyor is nested within a concavity defined by an upturned and curved portion of the second conveyor. A channel is...
04/14/2005
 
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