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1. WO2020200674 - METHOD AND DEVICE FOR PRODUCING PLASTIC PARTICLES USING A LASER BEAM

Publication Number WO/2020/200674
Publication Date 08.10.2020
International Application No. PCT/EP2020/056447
International Filing Date 11.03.2020
IPC
B29B 9/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
02by dividing preformed material
06in the form of filamentary material, e.g. combined with extrusion
B29B 9/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
10by moulding the material, i.e. treating it in the molten state
B01J 2/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2Processes or devices for granulating materials, in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
B01J 19/12 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
19Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
12employing electromagnetic waves
B29B 9/12 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
12characterised by structure or composition
B29C 35/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanising
04using liquids, gas or steam
CPC
B01J 19/121
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
19Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
12employing electromagnetic waves
121Coherent waves, e.g. laser beams
B01J 2/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2Processes or devices for granulating materials ; , e.g. fertilisers; in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
B29B 2009/125
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
12characterised by structure or composition
125Micropellets, microgranules, microparticles
B29B 9/06
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
02by dividing preformed material
06in the form of filamentary material, e.g. combined with extrusion
B29B 9/10
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
9Making granules
10by moulding the material, i.e. treating it in the molten state
B29C 35/045
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanizing ; during moulding, e.g. in a mould
04using liquids, gas or steam
045using gas or flames
Applicants
  • LEAN PLASTICS TECHNOLOGIES GMBH [DE]/[DE]
Inventors
  • DÜNGEN, Matthias
  • LANGLOTZ, Martin
Agents
  • LIEDTKE, Markus
Priority Data
10 2019 109 005.905.04.2019DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON KUNSTSTOFFPARTIKELN MITTELS LASERSTRAHL
(EN) METHOD AND DEVICE FOR PRODUCING PLASTIC PARTICLES USING A LASER BEAM
(FR) PROCÉDÉ ET DISPOSITIF DE PRODUCTION DE PARTICULES DE PLASTIQUE PAR FAISCEAU LASER
Abstract
(DE)
Verfahren und Vorrichtung zur Herstellung von Kunststoffpartikeln (P), wobei ein Strang (S) aufgeschmolzenen Kunststoffs oder ein aus Kunststoff bestehendes Filament zur Bildung von Kunststoffpartikeln (P) mittels mindestens eines Laserstrahls (L) geschnitten wird.
(EN)
The invention relates to a method and a device for producing plastic particles (P), wherein a strand (S) of molten plastic or a filament consisting of plastic is cut to form plastic particles (P) using at least one laser beam (L).
(FR)
L'invention concerne un procédé et un dispositif de production de particules de plastique (P), un fil (S) de plastique fondu ou un filament constitué de plastique étant découpé par au moins un faisceau laser (L) pour former des particules de plastique (P).
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