BE669613A - - Google Patents
Info
- Publication number
- BE669613A BE669613A BE669613DA BE669613A BE 669613 A BE669613 A BE 669613A BE 669613D A BE669613D A BE 669613DA BE 669613 A BE669613 A BE 669613A
- Authority
- BE
- Belgium
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/151—Making tubes with multiple passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
- B21C23/142—Making profiles
- B21C23/145—Interlocking profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
- B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
- F16L11/16—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24661—Forming, or cooperating to form cells
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24744—Longitudinal or transverse tubular cavity or cell
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL646410674A NL150210B (nl) | 1964-09-14 | 1964-09-14 | Buigzame strook voor het schroefvormig wikkelen tot een buis. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE669613A true BE669613A (de) | 1965-12-31 |
Family
ID=19791007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE669613D Expired BE669613A (de) | 1964-09-14 | 1965-09-14 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3495628A (de) |
BE (1) | BE669613A (de) |
DE (1) | DE1284746B (de) |
GB (1) | GB1124656A (de) |
NL (1) | NL150210B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1816374B1 (de) * | 1968-12-21 | 1971-01-21 | Manfred Hawerkamp | Wickelhohlprofil aus thermoplastischem Kunststoff zur Herstellung von Rohren,Platten,Behaeltern oder Hohlkoerpern |
DE3931613C1 (de) * | 1989-09-22 | 1990-09-20 | Petzetakis, George Aristovoulos, Piraeus, Gr | |
US5450703A (en) * | 1991-12-23 | 1995-09-19 | Johnson Camping, Inc. | Frame structures formed of double tube components |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51144818U (de) * | 1976-04-19 | 1976-11-20 | ||
US4119123A (en) * | 1976-12-23 | 1978-10-10 | Ernie Samuels, Inc. | Flexible hose with wear indicator |
JPS52142226U (de) * | 1977-04-27 | 1977-10-28 | ||
US4209043A (en) * | 1977-10-18 | 1980-06-24 | Rib Loc (Hong Kong) Ltd. | Plastic tubular objects |
US4435460A (en) * | 1977-10-18 | 1984-03-06 | Rib Loc (Hong Kong) Ltd. | Plastic tubular objects |
US4337564A (en) * | 1978-10-06 | 1982-07-06 | Rib Loc Hong Kong Limited | Machine and method for forming tubes from a strip |
US4279965A (en) * | 1979-03-15 | 1981-07-21 | Orvar Elmqvist | Blank pipe for manufacture |
FR2464819A1 (fr) * | 1979-09-10 | 1981-03-20 | Pont A Mousson | Tube en matiere plastique obtenu par enroulement en helice d'un profile |
US4362187A (en) * | 1980-08-05 | 1982-12-07 | Manville Service Corporation | Spirally-formed thermoplastic tube |
US4351868A (en) * | 1981-04-15 | 1982-09-28 | Toyoda Gosei Co., Ltd. | Molding |
DE3246247A1 (de) * | 1982-12-14 | 1984-06-14 | Siemens AG, 1000 Berlin und 8000 München | Doppelwandiger, flexibler schlauch |
EP0160498A3 (de) * | 1984-04-23 | 1987-01-14 | Marcello Valenzano | Kanal-Kabelträger |
JPS6136785U (ja) * | 1984-08-09 | 1986-03-07 | 史朗 金尾 | 合成樹脂製地中埋設管 |
US4753256A (en) * | 1985-11-18 | 1988-06-28 | Alopex Industries, Inc. | Pool cleaner hose |
US4714508A (en) * | 1986-03-25 | 1987-12-22 | Alopex Industries, Inc. | Fixture and method for making spiral wound hose |
US4759389A (en) * | 1986-12-04 | 1988-07-26 | Kim Woo Suck | Synthetic resin pipe for underground installation |
DE3717418C1 (de) * | 1987-05-23 | 1988-10-06 | Baston Artur Vobau | Zylindrischer Hohlkoerper aus schraubenlinienfoermig aufgewickeltem Kunststoffprofil |
CH673981A5 (de) * | 1987-08-25 | 1990-04-30 | Ametex Ag | |
FI82133C (sv) * | 1988-08-17 | 1991-01-10 | Kwh Pipe Ab Oy | Spirallindat rör |
US5099888A (en) * | 1990-06-04 | 1992-03-31 | Vassallo Research And Development Corporation | Impact protected, sealed, double-walled pipe body |
FR2665237B1 (fr) * | 1990-07-27 | 1992-11-13 | Coflexip | Carcasse et conduite tubulaire flexible comportant une telle carcasse. |
GB2255610B (en) * | 1991-05-10 | 1995-04-26 | William Ryan | Pipe insulation |
US5196255A (en) * | 1991-07-01 | 1993-03-23 | Cohen John M | Extruded plastic slat |
BE1005597A3 (nl) * | 1992-01-03 | 1993-11-16 | Plastiflex Europ N V | Soepele slang aan te sluiten op een toestel voor het doorvoeren van een fluidum. |
NL9300697A (nl) * | 1993-04-23 | 1994-11-16 | Hoogovens Groep Bv | Deurbalk en portier voorzien van een dergelijke deurbalk. |
US5727598A (en) * | 1993-04-30 | 1998-03-17 | Advanced Drainage Systems, Inc. | Pipe wall segment and pipe having sidewall |
US5362114A (en) * | 1993-11-09 | 1994-11-08 | Levingston Jerry C | Pipe joint and method for forming same for threaded connection of profile pipe |
JP3118582B2 (ja) * | 1994-07-25 | 2000-12-18 | 金尾 茂樹 | 樹脂管 |
US5765598A (en) * | 1995-10-23 | 1998-06-16 | Advanced Drainage Systems, Inc. | Pipe construction |
US6405974B1 (en) * | 1998-08-12 | 2002-06-18 | F. John Herrington | Ribbed core dual wall structure |
AUPQ297899A0 (en) * | 1999-09-20 | 1999-10-14 | Talana Investments Limited | An improved duct construction |
US6311514B1 (en) | 2000-04-07 | 2001-11-06 | Automotive Fluid Systems, Inc. | Refrigeration accumulator having a matrix wall structure |
AU2001261398A1 (en) * | 2000-05-10 | 2001-11-20 | Long, Jason | Multi-purpose rehabilitation of conduits |
US20070034274A1 (en) * | 2000-07-27 | 2007-02-15 | Proteus, Inc. | Extrusion apparatus |
KR20030007270A (ko) * | 2002-11-12 | 2003-01-23 | 박일숙 | 진공청소기용 플렉시블 호스 및 그 제조방법 |
US7766050B2 (en) * | 2003-11-28 | 2010-08-03 | Fisher & Paykel Healthcare Limited | Conduit and method of forming |
JP2006167457A (ja) * | 2004-12-15 | 2006-06-29 | Kim Bong Hee | 真空掃除機用ホース |
US20080128583A1 (en) * | 2006-07-17 | 2008-06-05 | Doug Smoljo | Form and method and apparatus for making a form |
CN101949476A (zh) * | 2010-09-10 | 2011-01-19 | 华瀚科技有限公司 | 一种双平壁管带材搭接结构及使用该结构的双平壁管 |
CN101982690A (zh) * | 2010-09-16 | 2011-03-02 | 华瀚科技有限公司 | 双平壁管带材的缠绕搭接结构及使用该结构的双平壁管 |
RU2657935C2 (ru) | 2011-06-03 | 2018-06-18 | Фишер Энд Пейкел Хелткэа Лимитед | Медицинские трубки и способы их изготовления |
EP3470104B1 (de) | 2011-07-13 | 2023-01-25 | Fisher & Paykel Healthcare Limited | Laufrad und motoranordnung |
US20130015287A1 (en) * | 2011-07-14 | 2013-01-17 | Bryant J Daniel | Spirally wound channel core |
US10125912B2 (en) * | 2011-08-27 | 2018-11-13 | John C. Tomaini | Spacer system for reflective insulation |
AU2012315027A1 (en) * | 2011-09-29 | 2014-03-27 | National Oilwell Varco Denmark I/S | A thermal insulating element, a subsea structure such as an armoured unbonded flexible pipe comprising such an element, and methods of manufacturing such an element and such a pipe |
EP3738638A1 (de) | 2012-03-15 | 2020-11-18 | Fisher & Paykel Healthcare Limited | Atemgasbefeuchtungssystem |
ES2906605T3 (es) | 2012-04-05 | 2022-04-19 | Fisher & Paykel Healthcare Ltd | Aparato de ayuda respiratoria |
BR112014026771B1 (pt) | 2012-04-27 | 2022-03-15 | Fisher & Paykel Healthcare Limited | Aparelho de umidificação para sistema de umidificação respiratória |
CN102777711A (zh) * | 2012-08-06 | 2012-11-14 | 山东天迈管业有限公司 | 一种一次成型的双平壁缠绕管材 |
AU2013345487B2 (en) | 2012-11-14 | 2018-08-09 | Fisher & Paykel Healthcare Limited | Zone heating for respiratory circuits |
CN110025867B (zh) | 2012-12-04 | 2022-04-08 | 费雪派克医疗保健有限公司 | 医用管以及其制造方法 |
AU2013101734A4 (en) | 2012-12-18 | 2015-09-24 | Fisher & Paykel Healthcare Limited | Impeller and motor assembly |
CN103174887A (zh) * | 2013-04-07 | 2013-06-26 | 昆山通塑机械制造有限公司 | 新型塑钢缠绕管 |
CN115671460A (zh) | 2013-09-13 | 2023-02-03 | 费雪派克医疗保健有限公司 | 用于加湿系统的连接 |
CN104452942A (zh) * | 2013-09-16 | 2015-03-25 | 蔡岱君 | 排水管、其制造方法及排水管单元的组装方法 |
WO2015060731A1 (en) | 2013-10-24 | 2015-04-30 | Fisher & Paykel Healthcare Limited | Delivery of respiratory gases |
HUE062413T2 (hu) | 2013-12-20 | 2023-10-28 | Fisher & Paykel Healthcare Ltd | Párásító rendszer csatlakozásai |
WO2015119515A1 (en) | 2014-02-07 | 2015-08-13 | Fisher & Paykel Healthcare Limited | Respiratory humidification system |
AU2015232050B2 (en) | 2014-03-17 | 2020-01-23 | Fisher & Paykel Healthcare Limited | Medical tubes for respiratory systems |
EP4235120A3 (de) | 2014-05-27 | 2023-10-04 | Fisher & Paykel Healthcare Limited | Gasmischung und -messung für eine medizinische vorrichtung |
WO2015187039A1 (en) | 2014-06-03 | 2015-12-10 | Fisher & Paykel Healthcare Limited | Flow mixers for respiratory therapy systems |
CN112972857A (zh) | 2015-09-09 | 2021-06-18 | 费雪派克医疗保健有限公司 | 对呼吸回路的分区加热 |
KR20230054906A (ko) | 2015-12-02 | 2023-04-25 | 피셔 앤 페이켈 핼스케어 리미티드 | 유량 요법 기기를 위한 유로 감지 |
WO2018106126A1 (en) | 2016-12-07 | 2018-06-14 | Fisher And Paykel Healthcare Limited | Sensing arrangements for medical devices |
AU2017381865B2 (en) | 2016-12-22 | 2023-09-28 | Fisher & Paykel Healthcare Limited | Medical tubes and methods of manufacture |
US11401974B2 (en) | 2017-04-23 | 2022-08-02 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
CN110630828A (zh) * | 2019-10-10 | 2019-12-31 | 张家港戴恩机械有限公司 | 一种中空壁多孔加筋缠绕波纹管 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US712418A (en) * | 1902-03-01 | 1902-10-28 | James B Brady | Flexible metallic tube without joints. |
US1519694A (en) * | 1921-07-23 | 1924-12-16 | Vincent C Muessman | Pipe covering |
US1842298A (en) * | 1929-02-11 | 1932-01-19 | Smith Corp A O | Underground pipe line |
US2524522A (en) * | 1948-08-24 | 1950-10-03 | Gen Electric | Flexible hose of extrudable elastomeric composition |
US2874722A (en) * | 1952-10-06 | 1959-02-24 | Eva F Hamblin | Buoyant, insulated flexible tubing and method of making same |
CH318953A (de) * | 1952-10-07 | 1957-01-31 | Svenska Aktiebolaget Polva | Aus einem federnd nachgiebigen Kunststoff bestehendes Band |
US3044257A (en) * | 1958-06-02 | 1962-07-17 | Thiokol Chemical Corp | Combustion chamber outer jacket |
DE1786012U (de) * | 1959-01-31 | 1959-04-02 | Wilhelm Eckhardt | Verwendung von profileisen, deren querschnitt an mindestens einer stelle groesser ist als an anderen stellen, insbesondere handelsueblicher profileisen. |
DE1088912B (de) * | 1959-01-31 | 1960-09-15 | Wilhelm Eckhardt | Ausgangsmaterial fuer die Herstellung schraubennahtgeschweisster Hohlkoerper, z. B. Rohre |
GB906507A (en) * | 1959-04-08 | 1962-09-19 | Bristolaerojet Ltd | Metal tubes and their manufacture |
FR1247968A (fr) * | 1959-10-15 | 1960-12-09 | Structure pour canalisations et autres applications | |
FR1349602A (fr) * | 1963-02-20 | 1964-01-17 | élément rigide à haute résistance et de faible poids |
-
1964
- 1964-09-14 NL NL646410674A patent/NL150210B/xx not_active IP Right Cessation
-
1965
- 1965-09-09 US US486086A patent/US3495628A/en not_active Expired - Lifetime
- 1965-09-13 DE DEP37645A patent/DE1284746B/de active Pending
- 1965-09-13 GB GB38957/65A patent/GB1124656A/en not_active Expired
- 1965-09-14 BE BE669613D patent/BE669613A/xx not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1816374B1 (de) * | 1968-12-21 | 1971-01-21 | Manfred Hawerkamp | Wickelhohlprofil aus thermoplastischem Kunststoff zur Herstellung von Rohren,Platten,Behaeltern oder Hohlkoerpern |
DE3931613C1 (de) * | 1989-09-22 | 1990-09-20 | Petzetakis, George Aristovoulos, Piraeus, Gr | |
US5060698A (en) * | 1989-09-22 | 1991-10-29 | George Aristovoulos Petzetakis | Large-caliber pipe for thermoplastic material |
US5450703A (en) * | 1991-12-23 | 1995-09-19 | Johnson Camping, Inc. | Frame structures formed of double tube components |
Also Published As
Publication number | Publication date |
---|---|
NL6410674A (de) | 1966-03-15 |
GB1124656A (en) | 1968-08-21 |
DE1284746B (de) | 1968-12-05 |
NL150210B (nl) | 1976-07-15 |
US3495628A (en) | 1970-02-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: POLVA-NEDERLAND N.V. Effective date: 19840914 |