BR9608173A - Método para tratamento de uma seção de plástico extrudada e instalação para o método - Google Patents

Método para tratamento de uma seção de plástico extrudada e instalação para o método

Info

Publication number: BR9608173A
Authority: BR; Brazil
Prior art keywords: installation; section; treating; circumferential wall; closing means
Prior art date: 1995-05-03

Application number

BR9608173-2A

Other languages

English (en)

Inventor

Johan Schuurmann

Jan Visscher

Jan Hendrik Prenger

Original Assignee

Wavin Bv

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1995-05-03

Filing date

1996-05-02

Publication date

1999-02-09

1995-05-03 Priority claimed from PCT/NL1995/000160 external-priority patent/WO1995030533A1/en

1996-05-02 Application filed by Wavin Bv filed Critical Wavin Bv

1999-02-09 Publication of BR9608173A publication Critical patent/BR9608173A/pt

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/907—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using adjustable calibrators, e.g. the dimensions of the calibrator being changeable
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

BR9608173-2A 1995-05-03 1996-05-02 Método para tratamento de uma seção de plástico extrudada e instalação para o método BR9608173A (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
PCT/NL1995/000160 WO1995030533A1 (en)	1994-05-04	1995-05-03	Method and device for manufacturing biaxially oriented tubing from thermoplastic material
NL1001259A NL1001259C2 (nl)	1995-05-03	1995-09-21	Werkwijze voor het behandelen van een geëxtrudeerd kunststof profiel en extrusie-installatie daarvoor.
PCT/NL1996/000189 WO1996034733A1 (en)	1995-05-03	1996-05-02	Method for treating an extruded plastic section and extrusion installation therefor

Publications (1)

Publication Number	Publication Date
BR9608173A true BR9608173A (pt)	1999-02-09

Family

ID=19761609

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9608173-2A BR9608173A (pt)	1995-05-03	1996-05-02	Método para tratamento de uma seção de plástico extrudada e instalação para o método

Country Status (14)

Country	Link
US (1)	US6214283B1 (pt)
EP (1)	EP0823873B1 (pt)
JP (1)	JP3859233B2 (pt)
AT (1)	ATE182838T1 (pt)
AU (1)	AU707485B2 (pt)
BR (1)	BR9608173A (pt)
CA (1)	CA2219531C (pt)
DE (1)	DE69603595T2 (pt)
DK (1)	DK0823873T3 (pt)
ES (1)	ES2137692T3 (pt)
MX (1)	MX9708455A (pt)
NL (1)	NL1001259C2 (pt)
PL (1)	PL179830B1 (pt)
WO (1)	WO1996034733A1 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19604196A1 (de) *	1996-02-06	1997-08-07	Hoechst Ag	Verfahren zum Herstellen von dickwandigen Rohren aus Polyethylen
NL1005282C2 (nl) *	1997-02-14	1998-08-18	Wavin Bv	Inrichting en werkwijze voor het vervaardigen van een hol kunststof profiel.
US6838041B2 (en) *	1998-03-11	2005-01-04	William W. Rowley	Post formation profile processing
NL1012032C2 (nl)	1999-03-05	2000-09-06	Wavin Bv	Werkwijze voor het vervaardigen van een buis van biaxiaal georiënteerd thermoplastisch kunststofmateriaal.
NL1011469C2 (nl) *	1999-03-05	2000-09-06	Wavin Bv	Vervaardiging van thermoplastische kunststofbuis.
AU777797B2 (en) *	1999-03-05	2004-10-28	Wavin B.V.	Thermoplastic tube
WO2003013826A2 (en) *	2001-08-03	2003-02-20	Proteus, Inc.	Manufacturing process and apparatus for making a helical rib tube
IT1318863B1 (it)	2000-09-14	2003-09-10	Omipa S P A	Dispositivo di calibrazione per profili estrusi
AU7731801A (en) *	2000-10-03	2002-04-11	Viskase Corporation	Method and apparatus for use in manufacture of cellulose casing
JP3662912B2 (ja) *	2003-01-31	2005-06-22	住友ベークライト株式会社	管状樹脂フィルムの製造装置
JP3710800B2 (ja) *	2003-01-31	2005-10-26	住友ベークライト株式会社	管状樹脂フィルムの製造装置および製造方法
WO2007008954A2 (en)	2005-07-11	2007-01-18	Ablation Frontiers	Low power tissue ablation system
JP5334082B2 (ja)	2007-03-28	2013-11-06	国立大学法人東北大学	樹脂成型装置
NL2003666C2 (en)	2009-10-19	2011-04-20	Rollepaal Holding B V	Methods and devices for manufacturing biaxially oriented tubing.
AU2015203536B2 (en) *	2009-10-19	2016-07-28	Hoppmann International B.V.	Methods and devices for manufacturing biaxially oriented tubing
EP3034921B1 (en)	2012-04-19	2018-07-25	GE Oil & Gas UK Limited	Method of producing a flexible pipe body
GB2512016A (en) *	2012-09-24	2014-09-24	Arterius Ltd	Methods
JP6191439B2 (ja) *	2013-12-18	2017-09-06	富士ゼロックス株式会社	冷却装置及び管状体の製造装置
EP3292980A1 (fr) *	2016-09-13	2018-03-14	Aisapack Holding SA	Procédé et dispositif d'extrusion et d'étiquetage d'un produit cylindrique
CA3064729C (en)	2017-05-25	2022-03-29	Tepha, Inc.	Continuous formation of tubes of poly-4-hydroxybutyrate and copolymers thereof
CA3122757A1 (en)	2018-12-21	2020-06-25	RPFlow R&D B.V.	Methods and installations for producing a biaxially oriented tube from thermoplastic material
NL2022421B1 (en) *	2019-01-18	2020-08-18	Hoppmann Int B V	A method for producing a biaxially oriented tube from thermoplastic material
CN110281514B (zh) *	2019-08-02	2021-12-03	曾婧	一种塑料制品用冷却定型设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3274314A (en)	1963-06-13	1966-09-20	Phillips Petroleum Co	Thermoplastic film production
US3522337A (en) *	1968-04-26	1970-07-28	Phillips Petroleum Co	Method and apparatus for contacting the interior surface of tubular articles
DE2055628A1 (de) *	1970-11-12	1972-05-18	Dynamit Nobel Ag	Verfahren und Vorrichtung zum Strangpressen von Hohlkörpern
GB1422325A (en)	1972-01-19	1976-01-28	Bakelite Xylonite Ltd	Extrusion processes
DE2357993C2 (de) *	1973-11-21	1983-11-17	Reifenhäuser KG, 5210 Troisdorf	Vorrichtung zur Innenkalibrierung von Hohlprofilen aus thermoplastischem Kunststoff
US3907961A (en) *	1974-01-28	1975-09-23	Phillips Petroleum Co	Flexible cylinder for cooling an extruded pipe
DE2523975A1 (de) *	1975-05-30	1976-12-16	Veba Chemie Ag	Vorrichtung zur herstellung spannungsarmer rohre aus thermoplastischem kunststoff
JPS58128823A (ja) *	1982-01-28	1983-08-01	Showa Denko Kk	サイジングマンドレル
SE434930B (sv)	1982-04-29	1984-08-27	Aga Ab	Forfaringssett och anordning for att invendigt kyla extruderade rorformiga foremal med hjelp av flytande kveve
JPS612524A (ja) *	1984-06-15	1986-01-08	Sekisui Chem Co Ltd	熱可塑性樹脂管の製造方法
US4708841A (en) *	1985-10-31	1987-11-24	Phillips Petroleum Company	Pipe plug apparatus and method for its use
DE4003696C1 (pt) *	1990-02-07	1990-12-13	Petzetakis, George Aristovoulos, Piraeus, Gr
AU640997B2 (en)	1990-03-30	1993-09-09	A. K. Technical Laboratory, Inc.	Injection orientation blow molding method
DE4129881C2 (de)	1991-09-09	1994-03-31	Gerhard Dr Ing Frey	Kunststoffprofileigenverstärkung
FI98137C (fi) *	1992-03-30	1997-04-25	Uponor Bv	Menetelmä ja laite muoviputken orientoimiseksi sekä menetelmällä aikaansaatu orientoitu ripalaippamuoviputki

1995
- 1995-09-21 NL NL1001259A patent/NL1001259C2/xx not_active IP Right Cessation
1996
- 1996-05-02 CA CA002219531A patent/CA2219531C/en not_active Expired - Lifetime
- 1996-05-02 DK DK96913747T patent/DK0823873T3/da active
- 1996-05-02 EP EP96913747A patent/EP0823873B1/en not_active Expired - Lifetime
- 1996-05-02 WO PCT/NL1996/000189 patent/WO1996034733A1/en not_active Ceased
- 1996-05-02 ES ES96913747T patent/ES2137692T3/es not_active Expired - Lifetime
- 1996-05-02 AT AT96913747T patent/ATE182838T1/de not_active IP Right Cessation
- 1996-05-02 AU AU56602/96A patent/AU707485B2/en not_active Expired
- 1996-05-02 MX MX9708455A patent/MX9708455A/es unknown
- 1996-05-02 BR BR9608173-2A patent/BR9608173A/pt not_active IP Right Cessation
- 1996-05-02 DE DE69603595T patent/DE69603595T2/de not_active Expired - Lifetime
- 1996-05-02 PL PL96323194A patent/PL179830B1/pl unknown
- 1996-05-02 JP JP53320096A patent/JP3859233B2/ja not_active Expired - Fee Related
1997
- 1997-10-29 US US08/945,590 patent/US6214283B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2219531C (en)	2006-06-13
ES2137692T3 (es)	1999-12-16
JPH11508196A (ja)	1999-07-21
JP3859233B2 (ja)	2006-12-20
DE69603595D1 (de)	1999-09-09
WO1996034733A1 (en)	1996-11-07
EP0823873B1 (en)	1999-08-04
EP0823873A1 (en)	1998-02-18
AU707485B2 (en)	1999-07-08
ATE182838T1 (de)	1999-08-15
US6214283B1 (en)	2001-04-10
DE69603595T2 (de)	1999-12-30
MX9708455A (es)	1998-02-28
NL1001259C2 (nl)	1996-11-05
AU5660296A (en)	1996-11-21
DK0823873T3 (da)	1999-12-06
PL179830B1 (pl)	2000-11-30
PL323194A1 (en)	1998-03-16
CA2219531A1 (en)	1996-11-07

Publication	Publication Date	Title
BR9608173A (pt)	1999-02-09	Método para tratamento de uma seção de plástico extrudada e instalação para o método
FI952331A0 (fi)	1995-05-12	Laite ja menetelmä selluloosakalvojen valmistamiseksi
DK1159122T3 (da)	2003-09-29	Termoplastrør
ES2187151T3 (es)	2003-05-16	Cabeza de extrusion.
BR9303499A (pt)	1995-03-28	Conjunto de matrizes de extrusão
GB1533041A (en)	1978-11-22	Extrusion head
DE69625602D1 (de)	2003-02-06	Biaxial strecken von kunststoffrohren
DE3676599D1 (de)	1991-02-07	Extrusionskopf.
US5542834A (en)	1996-08-06	Skinned double wall pipe and apparatus for making same
FI964405A0 (fi)	1996-11-01	Menetelmä ja laite biaksiaalisesti suunnatun putken valmistamiseksi kestomuovimateriaalista
MY132181A (en)	2007-09-28	Two-component extrusion die
ES2070393T3 (es)	1995-06-01	Tobera de extrusion para la fabricacion de bandas planas de material sintetico termoplastico.
DE59604251D1 (de)	2000-02-24	Extruder für kunststoffe
ATE35521T1 (de)	1988-07-15	Strangpressvorrichtung.
AU3088397A (en)	1998-01-05	Device for cooling and calibration of extruded plastic sections
ATE142144T1 (de)	1996-09-15	Profilwerkzeug für extruder
KR820001283Y1 (ko)	1982-06-24	링상으로 교호 연접되는 연경질호오스의 제조 장치
FR2257411A1 (en)	1975-08-08	Extrusion die for making thin wall film or tubing - by subdivision and overlay of the melt flow
KR970004597U (ko)	1997-02-19	Pvc유동관 압출기
DE69932068D1 (de)	2006-08-03	Celluloseextrusionsverfahren und -vorrichtung
IT1303086B1 (it)	2000-10-30	Procedimento e apparecchio per estrudere film poliolefinico tubolare.
ATE277741T1 (de)	2004-10-15	Extrusionsverfahren, extruder und extrudat
ES1020648U (es)	1992-07-16	Conducto de alimentacion para equipos de extrusion de plastico para fabricacion de film tubular.
ES2019778A6 (es)	1991-07-01	Dispositivo para curvar perfiles extruidos de material termoplastico esencialmente rigido.

Legal Events

Date	Code	Title	Description
2002-12-10	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2003-05-13	FF	Decision: intention to grant
2003-08-19	FG9A	Patent or certificate of addition granted
2004-04-13	B16C	Correction of notification of the grant [chapter 16.3 patent gazette]	Free format text: REF. RPI 1702 DE 20030819 ITEM (72)
2016-05-24	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 02/05/2016