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Culbert
Allan Brent Culbert, Wil CH
| Patent application number | Description | Published |
|---|---|---|
| 20090082541 | Method for the Production Polyester with Improved Melting Properties and Crystallization Properties - The method for the production of a polyester with improved melting properties and crystallisation properties comprises the steps of (a) production of a pre-polyester melt with an average molecular weight (Mn) of 2000 to 16000 g/mol, (b) solidifying and shaping the melt into pre-polyester particles, and (c) thermally treating the pre-polyester particles in a solid phase in the presence of a transesterification catalyst whereby a molecular weight increase (ΔMn) of more than 2000 g/mol occurs. In addition, the prepolyester particles have a carboxyl end group content (XCOOH) of between 0.25 and 0.6 before step c and during the thermal treatment step c, the proportion of the esterification reaction (E) to the polycondensation reaction (E+T) is between 0.5 and 1. | 03-26-2009 |
Brent Allan Culbert, Wil CH
| Patent application number | Description | Published |
|---|---|---|
| 20100038806 | Method for Producing Homogeneously Crystallized Polycondensate Pellets - The invention relates to a method for the continuous production of semicrystalline polycondensate pellets. Said method comprises the following steps: producing a polycondensate material; shaping polycondensate pellets and solidifying the polycondensate melt in a liquid cooling medium, wherein the shaping of the pellets can be carried out prior to or after solidification; separating the pellets from the liquid cooling medium once the polycondensate pellets have cooled down to an average temperature that lies within the crystallization temperature range of the polycondensate; and crystallizing the pellets in a treatment chamber, the treatment gas being led in said treatment chamber in a countercurrent to the polycondensate pellets, the flow rate of the treatment gas being above the incipient fluidization point of the polycondensate pellets and the polycondensate pellets having a narrow dwell time spectrum in the treatment chamber. | 02-18-2010 |
| 20100133717 | EXTRUSION GRANULATION METHOD AND DEVICE, AND GRANULATE PRODUCED THEREFROM - The invention relates to a method for the production of granulate grains of polymers from thermoplastic polyesters or copolyesters from a polyester melt using an extrusion granulator. The polyester melt is fed to nozzles of the extrusion granulator and then, with draw-in rollers, to the granulation device via an extraction section as extrusions exiting from the nozzle, wherein, e.g., an extrusion extraction speed is set by the draw-in rollers. The invention also relates to an improved extrusion granulator according to the invention having a wave device between the nozzles and the extraction channel, and granulate grains produced according to the method according to the invention. | 06-03-2010 |
| 20100267922 | Method for Crystallizing Crystallizable Polymers Having a High Tendency to Agglomerate - The invention relates to a method for producing a semicrystalline polymer, said method comprising the following steps: producing a polymer melt from a crystallizable polymer; shaping particles and solidifying the polymer melt, the step of shaping the particles being carried out before or after solidification; cooling the particles; treating the particles to reduce their tendency to agglomerate; crystallizing the particles. The invention is characterized in that the treatment is carried out by shaking at a temperature T1 which is below the glass transition temperature of the polymer plus 10° C., i.e. T1| 10-21-2010 | |
Brent Allen Culbert, Will CH
| Patent application number | Description | Published |
|---|---|---|
| 20100102466 | METHOD AND DEVICE FOR PRODUCING AND TREATING PELLETS - The invention relates to a method and a device for producing and treating plastic pellets. According to said method, a melt of the plastic material is granulated to give pellets, the pellets are cooled in a cooling fluid, the pellets are separated from the cooling fluid and the pellets are crystallized. The device according to the invention is characterized by comprising a control unit which monitors the crystallization step and controls the method in such a manner that in case of a disturbance of crystallization the pellets are supplied to an intermediate storage after separation of the pellets from the cooling fluid and as soon as the disturbance is removed, the pellets temporarily stored in the intermediate storage are supplied to crystallization and are crystallized. | 04-29-2010 |
Brent Allen Culbert, Wil CH
| Patent application number | Description | Published |
|---|---|---|
| 20080272508 | MANUFACTURE OF SPHERICAL PARTICLES OUT OF A PLASTIC MELT - The invention relates to a method and a device for producing spherical particles from a melted mass of plastic. According to the invention, said melted mass is transformed into droplets by means of a droplet-forming nozzle ( | 11-06-2008 |
Jeffery S. Culbert, Albertville, AL US
| Patent application number | Description | Published |
|---|---|---|
| 20080296968 | Electric trailer brake controller with an adjustable accelerometer mounting - An accelerometer is mounted upon a movable base member that is disposed within an electric brake controller housing with a lever attached to the moveable base, the lever being external to the brake controller housing to allow orientation of the accelerometer within the housing. | 12-04-2008 |
| 20100222979 | ELECTRONIC BRAKE CONTROLLER - A controller for electric trailer brakes that includes a three axis accelerometer for detecting deceleration of a towing vehicle and an interactive liquid crystal display controlled by a plurality of pushbuttons. | 09-02-2010 |