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1. WO2006123978 - PROCESS OF PRODUCING SCENTED DRINKING STRAW AND THE PRODUCT PRODUCED FROM THE PROCESS

Publication Number WO/2006/123978
Publication Date 23.11.2006
International Application No. PCT/SE2005/000853
International Filing Date 07.06.2005
IPC
B29C 47/10 2006.1
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
47Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
08Component parts, details or accessories; Auxiliary operations
10Feeding the material to the extruder
A47G 21/18 2006.1
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
GHOUSEHOLD OR TABLE EQUIPMENT
21Table-ware
18Drinking straws or the like
C08J 3/22 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
3Processes of treating or compounding macromolecular substances
20Compounding polymers with additives, e.g. colouring
22using masterbatch techniques
CPC
A47G 21/183
AHUMAN NECESSITIES
47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
GHOUSEHOLD OR TABLE EQUIPMENT
21Table-ware
18Drinking straws or the like
183with means for changing the flavour of the liquid
B29C 48/0021
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
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
001Combinations of extrusion moulding with other shaping operations
0021combined with joining, lining or laminating
B29C 48/0022
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
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
001Combinations of extrusion moulding with other shaping operations
0022combined with cutting
B29C 48/022
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
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
022characterised by the choice of material
B29C 48/04
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
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
03characterised by the shape of the extruded material at extrusion
04Particle-shaped
B29C 48/09
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
48Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
03characterised by the shape of the extruded material at extrusion
09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
Applicants
  • TETRA LAVAL HOLDINGS & FINANCE SA [CH]/[CH] (AllExceptUS)
  • KESTLE, Chris [US]/[US] (UsOnly)
  • OLSSON, Niclas [SE]/[TH] (UsOnly)
  • SCOTT, Dan [US]/[US] (UsOnly)
Inventors
  • KESTLE, Chris
  • OLSSON, Niclas
  • SCOTT, Dan
Agents
  • BRUNNSTRÖM, Gunilla
Priority Data
050300069420.05.2005TH
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS OF PRODUCING SCENTED DRINKING STRAW AND THE PRODUCT PRODUCED FROM THE PROCESS
(FR) PROCEDE DE PRODUCTION DE PAILLE POUR BOIRE PARFUMEE ET PRODUIT AINSI FABRIQUE
Abstract
(EN) A process of producing scented drinking straw comprising: mixing two grades of polypropylene to form a polypropylene mixture; melting the polypropylene mixture by pushing said mixture through between 2-8 heating zones before entering the extrusion process; introducing scented polypropylene compound into the polypropylene mixture through a color-feed typed dosing system at the beginning of the extrusion process; and extruding out the mixture of scented polypropylene compound and the polypropylene mixture as a long continuous drinking straw containing scent.
(FR) La présente invention décrit un procédé visant à fabriquer une paille pour boire parfumée, ledit procédé comprenant les étapes consistant à: mélanger deux qualités de polypropylène pour former un mélange de polypropylène; faire fondre le mélange de polypropylène en lui faisant traverser 2 à 8 zones de chauffage avant de pénétrer dans le poste d'extrusion; introduire un composé de polypropylène parfumé dans le mélange de polypropylène via un système doseur du type de ceux permettant d'introduire des colorants, au début du poste d'extrusion; et extruder le mélange constitué du composé de polypropylène parfumé et du mélange de polypropylène sous la forme d'une longue paille à boire continue contenant un parfum.
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