Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7993048 | Rotary thermal recycling system A Rotary thermal processor for particulate materials has a rotating drum and a rotating hollow auger. A stationary cylindrical oven with stationary coils surrounds the rotating drum. Hot gas heats a first part of the oven, coil and drum. A rotating hollow auger is h... | 08/09/2011 |
| 7758235 | Recycled asphalt pavement (RAP) preparation system Thermal processing of recycled asphalt pavement (RAP), having up to approximately 8% or more moisture content, dries and preheats the material to enhance efficient recycling in a hot mix asphalt plant. A combustor and heat exchanger reheat circulating hot oil, which... | 07/20/2010 |
| 7581871 | Counter-flow drum mixer asphalt plant method for two stage mixing A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing... | 09/01/2009 |
| 7566162 | Apparatus and method for a hot mix asphalt plant using a high percentage of recycled asphalt products A hot mix asphalt plant for producing hot mix asphalt using a high percentage of RAP comprising a first dryer adapted to receive and mix virgin aggregates and RAP fines and a first burner assembly adapted to produce a burner flame and heat and dry the virgin aggrega... | 07/28/2009 |
| 7563017 | Process for mixing congealable materials such as cement, asphalt, and glue with fibers from waste carpet A process for making reformed fiber from waste carpet material including separating into their individual strands, in well-graded lengths by mechanically disrupting, milling and granulating the waste carpet material and a further process for inserting and uniformly ... | 07/21/2009 |
| 7384181 | Milled asphalt pavement recycling A milled materials processor consists of a self contained, stationary or fully mobile thermal process plant for the thermal processing of 100% recycled asphalt pavement into new hot mix paving material. Mobile units are designed for transportation by vehicle to a jo... | 06/10/2008 |
| 7357562 | Counter-flow drum mixer asphalt plant with two stage mixing zone A counter-flow drum mixer asphalt plant equipped with a secondary feeder for introducing RAP to direct radiant heat of the combustion zone. Heated virgin aggregate and RAP in the combustion zone are delivered through a transition piece to a first stage of the mixing... | 04/15/2008 |
| 7316333 | Modular volume storage bin A modular storage bin utilizes bin extension sections that are attachable directly to a standard lower cone section to provide increased storage volume that may be selected to accommodate needed volume increases and height and space restrictions. The bin extension m... | 01/08/2008 |
| 7225932 | System units for treatment of aggregate material An aggregate storing and classifying mechanism for production of asphalt in plants, comprising a body (2) having plurality of circular sections (6) arranged in a manner of substantially surrounding the body (2) for storing aggregate material com... | 06/05/2007 |
| 7150420 | Systems and methods for recycling asphalt Systems and methods for receiving used asphalt materials, heating the materials, dynamically tumbling the materials into a recycled granulized form, and selectively providing the recycled asphalt for use. An asphalt recycling system is used that is configured to rec... | 12/19/2006 |
| 7114843 | Method of manufacturing a bituminous coated aggregate mix A method of manufacturing a bituminous coated aggregate mix, said method comprising at least the following steps: (a) course aggregate are dried by heating; (b) an intermediate mix is formed by coating the course a... | 10/03/2006 |
| 7044630 | Counter-flow asphalt plant method A method for operating a counter-flow aggregate dryer for an asphalt plant in which primary aggregate materials are introduced into a first end of a horizontally rotating cylinder and travel to the second, discharge end of the cylinder through drying and combustion ... | 05/16/2006 |
| 7040891 | System for reducing fuel consumption and pollutant emissions from asphalt cement production A system for reducing fuel consumption and pollutant emissions from asphalt cement production facilities which utilizes a recycle stream to reduce organic compound and carbon monoxide concentrations and a sorbent to reduce pollutant concentration prior to dischargin... | 05/09/2006 |
| 6971784 | Process for producing fiber reinforced hot-mix asphaltic and cementitous structural materials with fiber pellets produced from carpet waste A process for effectively mechanically disrupting fiber pellets produced from waste carpet material into their individual strands and for insertion and uniform distribution of such fibers through congealable materials such as asphalt and concrete, thereby providing ... | 12/06/2005 |
| 6928891 | Material sample preparation apparatus and method An automated apparatus for preparing material samples includes a rotatable drum support assembly, a drum rotatably contacting the drum support assembly, a fan, and a powered drive mechanism. The drum includes a hollow main section and first and second hollow end sec... | 08/16/2005 |
| 6926063 | Method for conditioning foundry moulding sand and a device therefor A method for conditioning cooled used moulding sand retaining moulding sand binder in a mixer (1), wherein the cooled used moulding sand is heated to at least a minimum temperature, moisturized by providing water or water vapor through holes in an agitator an... | 08/09/2005 |
| 6860313 | Method and device for the preparation of foundry sand A device for preparing moulding sand. The device includes a mixer configured to operate under at least a partial vacuum and at least one feeder to introduce components to be mixed. An inlet in the mixer is of sufficient size to allow rapid introduction of the compon... | 03/01/2005 |
| 6832850 | Hot-mix asphalt manufacturing system and method A hot-mix asphalt manufacturing system includes a counter-flow rotary dryer having a combustion chamber, an inlet for dry ingredients, an outlet for hot-mix asphalt, and a pollution control device. The pollution control system includes a pre-filter, a cooling device... | 12/21/2004 |
| 6662867 | Controlled heating of a coating material In a process to control the heating of a coating material for a roof covering, the coating material is heated using a heat exchange medium in a continuous process. The heat exchange medium is cooled in response to a slowdown or stoppage of the continuous ... | 12/16/2003 |
| 6591891 | Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite Given green sand is obtained by a mixing operation that is carried out for a short period of time. Discarded sand is supplied as supplementary sand to a sand processing line, so that molding sand can be recycled. Green sand for a molding is used for facin... | 07/15/2003 |
| 6409951 | Process for producing an inorganic molded product A process for producing an inorganic molded product, which comprises a step of preparing a hardenable composition comprising 100 parts by mass of an acid metal phosphate, from 80 to 200 parts by mass of its hardener, and from 0.1 to 10 parts by mass of ur... | 06/25/2002 |
| 6196710 | Dust distributor for asphalt mixing machine An apparatus for making asphalt paving material includes a dust collection and distribution system by which aggregate dust that is collected during the heating and drying of aggregate may be introduced into the mixing chamber and distributed over a substa... | 03/06/2001 |
| 6164809 | Counter-flow asphalt plant with independently rotatable dryer and mixer A counter-flow asphalt plant with a separately controlled and operated dryer 50 and mixer 52 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition. The dryer 50 is rotated by a variable dryer drive 58... | 12/26/2000 |
| 6036352 | Method of and device for improving the quality of fresh concrete and preventing adhesion and hardening of the fresh concrete in a mixer drum of a concrete mixer truck or of a concrete mixing plant A method of and device for improving the quality of fresh concrete and preventing adhesion and hardening of the mixed fresh concrete in a rotary mixer drum of a concrete mixer truck or a stationary mixer drum of a concrete mixer plant which involves deliv... | 03/14/2000 |
| 5988864 | Process for producing aggregate from waste The described process utilizes the ash from a trash-to-steam plant and a cementitous binder along with the hot output of an earth purification process and a strictly defined quantity of water in calculated amounts to produce an aggregate which satisfies l... | 11/23/1999 |
| 5915833 | Method and device for cooling foundry sand A cooling apparatus for used foundry sand provided with a homogenizing and conveying apparatus in a constant vacuum with controlled water inflow and a suction point for the water vapor, the water evaporating due to the reduced pressure draws the heat of e... | 06/29/1999 |
| 5816312 | Method of and apparatus for reclaiming foundry sand Salvaged foundry sand is reclaimed by introducing salvaged sand into a vacuum kneading tank, adding water and binder to the salvaged sand and kneading the salvaged sand under vacuum. A target strength value of the reclaimed sand is set and the amount of w... | 10/06/1998 |
| 5772317 | Counterflow drum mixer for making asphaltic concrete and methods of operation The counterflow drum mixer includes an elevated virgin aggregate inlet end and an opposite asphaltic product discharge end. A burner lies intermediate the ends and defines a combustion volume. Shield flights surround the combustion volume defining an annu... | 06/30/1998 |
| 5664881 | Counter-flow asphalt plant with multi-stage combustion zone overlapping the mixing zone A drum mixer is provided with a rotatable cylinder in which aggregates, reclaimed asphalt pavement and liquid asphalt are mixed to produce an asphaltic composition. The drum cylinder includes a first region, in which virgin aggregate is heated and dried b... | 09/09/1997 |
| 5618104 | Method for cooling white cement clinker A method of cooling white cement clinker sintered in a rotary kiln includes the following steps: introducing the white cement clinker from the rotary kiln into a first cooling stage; comminuting the white cement clinker in the first cooling stage; quenchi... | 04/08/1997 |
| 5607231 | Method for operating an asphalt plant for both continuous and batch operation A combination continuous/batch asphalt plant includes mechanisms and controls which permit it to be hot-stopped when operating in the continuous mode.... | 03/04/1997 |
| 5480226 | Rotary drum dryer having aggregate cooled shielding flights and method for the utilization thereof A rotary drum dryer has devices for cooling shielding flights located in the combustion zone of the drum. The devices comprise cooling flights which rotate with the drum to scoop up relatively small amounts of virgin aggregate from aggregate accumulated i... | 01/02/1996 |
| 5423606 | Batch asphalt plant having RAP weigh hopper and pugmill scavenging system A designated amount of recycled asphalt product (RAP) is fed to the pugmill of a batch asphalt plant during the production of hot mix asphalt (HMA) at a controlled rate so as not to overload the pugmill scavenging system. The designated amount of RAP is m... | 06/13/1995 |
| 5385401 | Process for adding recycled tire particle to asphalt A method of incorporating used automobile tire scrap into asphalt uses a step of saturating rubber particles with an aromatic oil. The rubber particle containing oil does not absorb additional oils from the asphalt binder materials and the integrity of th... | 01/31/1995 |
| 5378059 | Combined asphalt plant and soil remediation system An apparatus and method for heating and drying stone aggregate used in the production of asphalt, which also remediates and disposes of contaminated soil. Aggregate is introduced into a drum chamber of a fixed sleeve rotary drum mixer for heating. The agg... | 01/03/1995 |
| 5330265 | Apparatus and apparatus for mixing and cooling molding sand A process using an improved apparatus for mixing and cooling molding sand. The apparatus including a molding sand mixer that mixes molding sand and further having an adjustable water supply structure; sets of output sensors having a temperature sensor and... | 07/19/1994 |
| 5322367 | Process control for recycled asphalt pavement drum plant A process for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) (up to 100% of the HMA). The HMA is first heated in either a parallel or a counter flow rotating drum wh... | 06/21/1994 |
| 5277490 | Method and apparatus for producing bituminous mixtures Method and apparatus for producing mixtures containing bitumen, in which the material to be treated is conveyed by the force of gravity through a slit-type space between two vertically arranged heated surfaces.... | 01/11/1994 |
| 5201839 | Countercurrent drum mixer with second heat source An asphalt production system utilizing a pair of rotatable drums for producing an asphaltic composition is provided. The asphaltic composition is produced by separately heating a volume of virgin aggregate material in a countercurrent drum dryer and heati... | 04/13/1993 |
| 5176445 | Apparatus for decontaminating soils An apparatus is disclosed which is capable of efficiently decontaminating soil, and which has several common components with a conventional asphalt production plant. This feature permits a conventional asphalt plant to be retrofitted by the addition of a ... | 01/05/1993 |
