ES2632125T3 - Sistemas y dispositivos de bajo rozamiento - Google Patents

Sistemas y dispositivos de bajo rozamiento Download PDF

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Publication number
ES2632125T3
ES2632125T3 ES07787004.6T ES07787004T ES2632125T3 ES 2632125 T3 ES2632125 T3 ES 2632125T3 ES 07787004 T ES07787004 T ES 07787004T ES 2632125 T3 ES2632125 T3 ES 2632125T3
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Spain
Prior art keywords
pom
low friction
devices
friction systems
additive
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ES07787004.6T
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English (en)
Inventor
Ion Marius Sivebaek
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Novo Nordisk AS
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Novo Nordisk AS
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
    • C08L59/02—Polyacetals containing polyoxymethylene sequences only
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
    • C08L59/04—Copolyoxymethylenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/201—Composition of the plastic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A61M2005/3131—Syringe barrels specially adapted for improving sealing or sliding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0222—Materials for reducing friction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2555/00—Characteristics of bituminous mixtures
    • C08L2555/40—Mixtures based upon bitumen or asphalt containing functional additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Abstract

Un sistema que comprende: una primera superficie que comprende: (i) un policarbonato y un primer aditivo, o (ii) un tereftalato de polibutileno y un segundo aditivo; y una segunda superficie que comprende un polioximetileno y un tercer aditivo; donde el primer, segundo y tercer aditivo comprenden cada uno independientemente un aceite de silicona.

Description

imagen1
imagen2
imagen3
imagen4
invención se ilustra en más profundidad con los siguientes Ejemplos.
Ejemplos
Con el fin de hacer pruebas, la primera y segunda composición de moldeo se pueden moldear para formar discos o placas. En la Tabla 1 se muestran varias cantidades del polímero base y otros ingredientes para preparar las 5 composiciones de moldeo y las muestras moldeadas. Los discos (muestras de prueba), que constan de una muestra de polímero rotatorio inferior y una muestra de polímero fijo superior se montaron en un dispositivo de prueba usado para medir el coeficiente de rozamiento. Las pruebas se llevaron a cabo adaptando el procedimiento descrito en el método de prueba estándar ASTM D-3702 (nuevamente aprobado en 2004) a aquellos usados para evaluar dispositivos médicos, empleando una presión de contacto entre las muestras de prueba de 3 MPa y una velocidad 10 de deslizamiento de 0.02 metros por segundo. Los resultados se muestran en la Tabla 1, la cual muestra también las composiciones químicas del primer componente 102 y el segundo componente 104 y el coeficiente de rozamiento medido para cada par de componentes. En la Tabla 1, las abreviaturas significan lo siguiente: “PC”– policarbonato, “PBT”– tereftalato de polibutileno, “PE”– polietileno, “COE”– coeficiente de rozamiento, “PC-Si”– un copolímero en bloque de policarbonato-siloxano, que se puede adquirir de proveedores comerciales como grado EXL 1112 y
15 “POM” –polioximetileno; la “E” significa Ejemplo y “CE” significa Ejemplo Comparativo.
Tabla 1.
Exp. N.o
Porcentaje en peso de los ingredientes en el primer componente 102 imagen5 Porcentaje en peso de los ingredientes en el segundo componente 104 imagen6 imagen7
Polímero base
Aceite de silicona PTFE PE Polímero base Aceite de silicona PTFE PE COE
E-1
PC 2 18 0 POM 2 18 0 0.04
E-2
PC 2 0 0 POM 2 5 0 0.06
E-3
PC 2 0 0 POM 2 10 0 0.06
E-4
PC 2 0 0 POM 2 18 0 0.06
E-5
PC 2 5 0 POM 2 10 0 0.06
E-6
PC 2 5 0 POM 2 18 0 0.06
E-7
PC 2 10 0 POM 2 10 0 0.06
E-8
PC 2 10 0 POM 2 18 0 0.06
E-9
PC 2 0 0 POM 2 0 10 0.05
E-10
PC 2 0 2 POM 2 0 10 0.05
E-11
PC 2 0 5 POM 2 0 10 0.05
E-12
PC 2 0 7 POM 2 0 10 0.05
E-13
PC 2 0 40 POM 2 0 5 0.06
E-14
PBT 2 0 0 POM 2 0 5 0.05
E-15
PBT 2 0 0 POM 0 0 0 0.04
E-16
PBT 2 0 0 POM 2 0 0 0.06
CE-1
PC-Si 0 0 0 POM 0 0 0 0.16
CE-2
PBT 0 0 0 POM 0 0 0 0.14
Una inspección de los datos de la Tabla 1 demuestra que las varias composiciones poliméricas según se muestran se pueden utilizar para producir sistemas de bajo rozamiento que tengan un coeficiente de rozamiento menor o igual 20 a 0.06. Además, el bajo rozamiento se consigue casi instantáneamente con muy poco rodaje de los componentes moldeados.
El uso de todos y cada uno de los ejemplos o el vocabulario a modo de ejemplo (p. ej., “tal como”) proporcionados en la presente está meramente destinado a ilustrar mejor la invención y no representa ninguna limitación del alcance de la invención a menos que se reivindique lo contrario. No debería interpretarse que el lenguaje de la memoria
25 descriptiva indique que cualquier elemento no reivindicado sea esencial para la práctica de la invención. Cualesquiera referencias citadas en la presente se incorporan en su totalidad.
6
imagen8

Claims (1)

  1. imagen1
    imagen2
ES07787004.6T 2006-07-31 2007-07-03 Sistemas y dispositivos de bajo rozamiento Active ES2632125T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06118178 2006-07-31
EP06118178 2006-07-31
PCT/EP2007/056680 WO2008015066A1 (en) 2006-07-31 2007-07-03 Low friction systems and devices

Publications (1)

Publication Number Publication Date
ES2632125T3 true ES2632125T3 (es) 2017-09-11

Family

ID=38521879

Family Applications (1)

Application Number Title Priority Date Filing Date
ES07787004.6T Active ES2632125T3 (es) 2006-07-31 2007-07-03 Sistemas y dispositivos de bajo rozamiento

Country Status (8)

Country Link
US (2) US9187634B2 (es)
EP (2) EP2049595B1 (es)
JP (2) JP5606066B2 (es)
CN (2) CN103122130B (es)
DK (1) DK2049595T3 (es)
ES (1) ES2632125T3 (es)
PL (1) PL2049595T3 (es)
WO (1) WO2008015066A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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ES2632125T3 (es) 2006-07-31 2017-09-11 Novo Nordisk A/S Sistemas y dispositivos de bajo rozamiento
JP5787875B2 (ja) * 2009-03-31 2015-09-30 サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 機構を有する医療デバイス及び医療デバイス内における低摩擦合成材料の使用
WO2011138295A1 (en) * 2010-05-04 2011-11-10 Sanofi-Aventis Deutschland Gmbh Drive mechanism with a low friction coating for a drug delivery device
RU2586307C2 (ru) * 2010-10-25 2016-06-10 Санофи-Авентис Дойчланд Гмбх Устройство доставки лекарственных средств и способ сборки устройства доставки лекарственных средств
US10030208B2 (en) 2013-10-21 2018-07-24 Celanese Sales Germany Gmbh Intrinsic low friction polyoxymethylene
CN108368325A (zh) 2015-09-30 2018-08-03 塞拉尼斯销售德国有限公司 低摩擦无刺耳音的组合件
PL229073B1 (pl) * 2016-02-19 2018-06-29 Copernicus Spolka Z Ograniczona Odpowiedzialnoscia Mechanizm wskaźnikowy urządzenia do wstrzykiwania substancji farmaceutycznej i urządzenie do wstrzykiwania zawierające taki mechanizm wskaźnikowy
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ES2632125T3 (es) 2006-07-31 2017-09-11 Novo Nordisk A/S Sistemas y dispositivos de bajo rozamiento

Also Published As

Publication number Publication date
CN103122130A (zh) 2013-05-29
US20150159114A1 (en) 2015-06-11
US20090177150A1 (en) 2009-07-09
CN101495566B (zh) 2013-03-06
CN103122130B (zh) 2016-04-06
DK2049595T3 (en) 2017-07-31
EP2049595B1 (en) 2017-04-12
WO2008015066A1 (en) 2008-02-07
EP2049595A1 (en) 2009-04-22
EP2471863A1 (en) 2012-07-04
JP2014205040A (ja) 2014-10-30
JP2009545347A (ja) 2009-12-24
JP5606066B2 (ja) 2014-10-15
CN101495566A (zh) 2009-07-29
US9187634B2 (en) 2015-11-17
PL2049595T3 (pl) 2017-09-29

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