B29C48/44

Procedure for the devulcanization of scrap rubber and/or elastomers and apparatus therefor
20180251624 · 2018-09-06 ·

A procedure for the devulcanization of scrap rubber and/or elastomers and apparatus therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. 1.72(b). As stated in 37 C.F.R. 1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading Abstract of the Disclosure. The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

POLYMER EXTRUDERS WITH A DUAL VACUUM ARRANGEMENT AND RELATED METHODS
20180250864 · 2018-09-06 ·

In particular embodiments, a process for producing bulked continuous carpet filament from recycled polymer utilizes two vacuum pumps in combination with a single extruder. In various embodiments, the dual vacuum arrangement (e.g., at least two vacuum pumps) operably coupled to the single extruder (e.g., MRS extruder) may be configured remove one or more impurities from recycled polymer as the recycled polymer passes through the extruder such that the process: (1) is more effective than earlier processes in removing contaminates and water from the recycled polymer; (2) allows for an increased throughput through a single extruder, which may result in a doubling of a number of thread lines produced from a single extruder; (3) results in a desired intrinsic viscosity for the extruded recycled polymer at the increased throughput; and/or (4) reduces an amount of downtime of a particular production line as a result of cleaning the two vacuum pumps.

Abuse-proofed dosage form

The invention relates to a dosage form that is thermoformed without discoloration and is safeguarded from abuse, comprising at least one synthetic or natural polymer having a breaking strength of at least 500 N in addition to one or more active substances that could be subject to abuse. The invention also relates to a corresponding method for producing said dosage form.

INSULATION MODULE FOR MOTOR VEHICLE AND MOTOR VEHICLE
20180208132 · 2018-07-26 · ·

An insulation module for a floor of a motor vehicle includes a panel of a molded and bound fiber material. The panel extends along a longitudinal axis (X). At least one notch is formed in the thickness direction (D) of the panel and extends at an angle between 0 and 30 to the longitudinal axis (X). At least one incision is formed in an outer edge of the panel and extends at an angle between 80 and 100 to the longitudinal axis (X) of the panel.

Degassing extruder having a multi-screw unit and method for degassing polymer melts therewith
12128599 · 2024-10-29 · ·

A degassing extruder having a multi-screw unit, which degassing extruder comprises a housing having a feed region having a feed opening, an inner housing recess having an extraction opening extending as far as the outside and an outlet region having an outlet opening. The multi-screw unit rotatably arranged in the housing recess comprises: a rotor element having a main screw web extending over the outer circumference of a rotor shaft core, and a rotationally driven satellite screw, which is mounted in a receiving groove on the rotor element, which receiving groove extends at least along part of the length of the multi-screw unit. At least in the region of the extraction opening, the main screw web above the receiving groove has an respective opening recess for leading the satellite screw through.

Degassing extruder having a multi-screw unit and method for degassing polymer melts therewith
12128599 · 2024-10-29 · ·

A degassing extruder having a multi-screw unit, which degassing extruder comprises a housing having a feed region having a feed opening, an inner housing recess having an extraction opening extending as far as the outside and an outlet region having an outlet opening. The multi-screw unit rotatably arranged in the housing recess comprises: a rotor element having a main screw web extending over the outer circumference of a rotor shaft core, and a rotationally driven satellite screw, which is mounted in a receiving groove on the rotor element, which receiving groove extends at least along part of the length of the multi-screw unit. At least in the region of the extraction opening, the main screw web above the receiving groove has an respective opening recess for leading the satellite screw through.

METHOD FOR PROCESSING PRODUCTS IN AN EXTRUDER
20180126623 · 2018-05-10 · ·

The invention relates to the production of PSA in a planetary gear extruder. During filling and after passing a passage on a dispersing ring using a lateral arm extruder, the products are degassed.

POLYETHYLENE TEREPHTHALATE COLORING SYSTEMS AND RELATED METHODS
20180127893 · 2018-05-10 ·

A method of manufacturing a plurality of colors of bulked continuous carpet filament from a single multi-screw extruder which, in various embodiments, comprises: (A) passing PET through an extruder that melts the PET and purifies the resulting PET polymer melt; (B) adding a liquid colorant to the polymer melt using a liquid metering system; (C) using one or more static mixers (e.g., up to forty static mixers) to substantially uniformly mix (e.g., homogeneously mix) the polymer melt and the liquid colorant; and (D) feed the uniformly mixed and colored polymer melt into a spinning machines that turns the polymer into filament for use in manufacturing carpet, rugs, and other products.

SYSTEM COMPRISING A CRYOGENIC CONTAINER AND A SINGLE-PIECE ECONOMIZER
20240377036 · 2024-11-14 ·

The invention relates to a system including a cryogenic container, such as an LNG container or a hydrogen container, with a first removal line for removing cryogenic fluid in a gas phase and a second removal line for removing cryogenic fluid in a liquid phase being routed into the cryogenic container. The system includes a single-piece economizer valve block having at least a first and a second inlet port and an outlet port, the two inlet ports and the outlet port being connected inside the single-piece economizer valve block by a connection passage having a connecting portion on the gas phase side, a connecting portion on the liquid phase side and a connecting portion on the end side, the single-piece economizer valve block having at least one valve recess open towards the outside, the valve recess starting at the node, and a valve being inserted into the valve recess.

Non-chemical, mechanical procedure for the devulcanization of scrap rubber and/or elastomers and apparatus therefor
09926426 · 2018-03-27 · ·

Method of devulcanizing rubber and/or elastomers without the need for a chemical agent, in which method the vulcanized rubber and/or elastomers are fed into a planetary roller extruder, which planetary roller extruder has a housing, a central spindle, and at least one group of planetary spindles. Mechanical and thermal stress is generated on the vulcanized rubber and/or elastomers by kneading and/or crushing the vulcanized rubber and/or elastomers using the central spindle and the planetary spindles. The mechanical and thermal stress alone is sufficient to break or destroy the molecular chains or bonds of the vulcanized rubber and/or elastomers.