BE861390A - Procede pour la fabrication de tubes equipes d'une gaine isolante en mousse synthetique - Google Patents

Procede pour la fabrication de tubes equipes d'une gaine isolante en mousse synthetique

Info

Publication number
BE861390A
BE861390A BE183082A BE183082A BE861390A BE 861390 A BE861390 A BE 861390A BE 183082 A BE183082 A BE 183082A BE 183082 A BE183082 A BE 183082A BE 861390 A BE861390 A BE 861390A
Authority
BE
Belgium
Prior art keywords
insulating sheath
synthetic foam
tubes equipped
manufacturing tubes
manufacturing
Prior art date
Application number
BE183082A
Other languages
English (en)
Original Assignee
Dynamit Nobel Ag
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.)
Filing date
Publication date
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of BE861390A publication Critical patent/BE861390A/fr

Links

Classifications

    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/153—Arrangements for the insulation of pipes or pipe systems for flexible 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • B29C61/025—Thermal shrinking for the production of hollow or tubular 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/06—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles
    • B29C63/065—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like around tubular articles continuously
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/143—Pre-insulated 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/046—Condition, form or state of moulded material or of the material to be shaped cellular or porous with closed cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/08—Transition metals
    • B29K2705/10—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B29L2023/225—Insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
    • B29L2031/601—Multi-tubular articles, i.e. composed of a plurality of tubes
    • B29L2031/602—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Thermal Insulation (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
BE183082A 1976-12-03 1977-12-01 Procede pour la fabrication de tubes equipes d'une gaine isolante en mousse synthetique BE861390A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2654879A DE2654879C2 (de) 1976-12-03 1976-12-03 Verfahren zum kontinuierlichen herstellen eines mit einer Isolierhülle aus Schaumkunststoff versehenen Rohres

Publications (1)

Publication Number Publication Date
BE861390A true BE861390A (fr) 1978-03-31

Family

ID=5994632

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183082A BE861390A (fr) 1976-12-03 1977-12-01 Procede pour la fabrication de tubes equipes d'une gaine isolante en mousse synthetique

Country Status (11)

Country Link
JP (1) JPS53102387A (fr)
AT (1) AT364530B (fr)
BE (1) BE861390A (fr)
CA (1) CA1086038A (fr)
CH (1) CH625997A5 (fr)
DE (1) DE2654879C2 (fr)
DK (1) DK150237C (fr)
FR (1) FR2372690A1 (fr)
GB (1) GB1543687A (fr)
NL (1) NL7713384A (fr)
SE (1) SE7713633L (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1071401B (it) * 1980-04-24 1985-04-10 Zema S R L Procedimento per la ricopertura con chiuma e pellicola plastica di tubi metallici,macchina per attuare detto procedimento e prodotto ottenuto
DE3235635C2 (de) * 1982-09-25 1985-02-21 Dynamit Nobel Ag, 5210 Troisdorf Verfahren und Vorrichtung zum kontinuierlichen Herstellen dickwandiger mehrschichtiger Isolierrohre aus thermoplastischen Schaumstoffstreifen
DE3318082A1 (de) * 1983-05-18 1984-11-22 Dynamit Nobel Ag, 5210 Troisdorf Verfahren und vorrichtung zum herstellen eines mit einer isolierhuelle aus schaumstoff versehenen rohres
DE3338071A1 (de) * 1983-10-20 1985-05-09 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Verfahren zur kontinuierlichen herstellung von flexiblen, thermisch isolierten leitungsrohren
FR2664850A1 (fr) * 1990-07-17 1992-01-24 Caure Michel Procede de gainage d'un faisceau d'elements filiformes, dispositif pour le mettre en óoeuvre et faisceau obtenu.
ES2121661B1 (es) * 1995-04-07 1999-06-01 Hispano Portuguesa De Bobinado Proceso de fabricacion de bobinas desmagnetizadoras.
FR2800665B1 (fr) * 1999-11-05 2002-08-30 Alphacan Sa Procede pour entourer un element par une couche de mousse, enveloppe en mousse, complexe tubulaire avec cette enveloppe, et couronne de ce complexe
FR2800664A1 (fr) * 1999-11-05 2001-05-11 Alphacan Sa Procede pour entourer un element par une couche de mousse, enveloppe en mousse, complexe tubulaire avec cette enveloppe, et couronne de ce complexe
DE102012112280B4 (de) * 2012-12-14 2014-11-20 Henco Industries N.V. Verfahren zum Herstellen eines Isolierverbundrohrs
DE102016115968B4 (de) 2016-08-26 2021-02-04 Henco Industries N.V. Verfahren zum Herstellen eines Streifens für ein Isolierrohr eines Isolierverbundrohrs sowie ein derartiges Isolierverbundrohr
CN110625918A (zh) * 2018-06-21 2019-12-31 江苏沃杰高分子材料有限公司 一种新式扩张机
KR102112197B1 (ko) * 2019-10-08 2020-05-19 (주)동인엔지니어링 저온배관용 단열장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960725A (en) * 1957-03-21 1960-11-22 Dow Chemical Co Process for preparing thermoplastic tapes of varied cross-sections
US2971538A (en) * 1958-01-31 1961-02-14 Moore & Co Samuel Extruded tubing
ES332098A1 (es) * 1965-10-11 1967-11-16 Ab Svenska Metallverken Un metodo de aislamiento continuo de tramos de tuberia o canalizacion.
DE1915768C3 (de) * 1968-03-27 1974-02-07 The Furukawa Electric Co., Ltd., Tokio Verfahren und Vorrichtung zum kontinuierlichen Herstellen eines röhrenförmigen Gegenstandes aus einer Bahn aus geschäumten thermoplastischem Harz
GB1277038A (en) * 1969-07-09 1972-06-07 Vladimirsky Nii Sint Smol A method of manufacturing shaped articles from elastic porous materials
FR2225681B1 (fr) * 1973-04-13 1976-05-21 Pont A Mousson
FR2346138A1 (fr) * 1976-03-31 1977-10-28 Tetra Pak Dev Procede et dispositif pour la fabrication de recipients d'emballage

Also Published As

Publication number Publication date
DE2654879A1 (de) 1978-06-08
SE7713633L (sv) 1978-06-04
DK150237B (da) 1987-01-19
DK539377A (da) 1978-06-04
DK150237C (da) 1987-10-26
GB1543687A (en) 1979-04-04
ATA860677A (de) 1981-03-15
CA1086038A (fr) 1980-09-23
JPS53102387A (en) 1978-09-06
FR2372690B1 (fr) 1984-01-27
CH625997A5 (en) 1981-10-30
DE2654879C2 (de) 1982-11-11
NL7713384A (nl) 1978-06-06
FR2372690A1 (fr) 1978-06-30
AT364530B (de) 1981-10-27

Similar Documents

Publication Publication Date Title
FR2347306A1 (fr) Procede pour la fabrication de coussins de sieges
FR2340052A1 (fr) Procede de fabrication de fromages
FR2471392B1 (fr) Procede de mousse de polyisocyanurate
BE855682A (fr) Procede d'encapsulement
FR2302603A1 (fr) Procede de fabrication d'un reflect
FR2299820A2 (fr) Procede de fabrication d'un succedane d'amuse-gueule
BE861172A (fr) Procede de preparation d'alpha-amino-amides
BE855733A (fr) Procede pour l'echange d'ions cobalt
FR2548083B1 (fr) Procede de fabrication d'une mousse reticulee
IT1127366B (it) Terreno d'isolamento selettivo per vibrione del colera
IL52646A0 (en) Cheesemaking process
BE861428A (fr) Procede de fabrication d'une resine d'echange
FR2342337A1 (fr) Procede de production d'ubiquinone-10''
IT1088889B (it) Procedimento per fabbricare etilfosfito d'alluminio
EG12724A (en) Procede de preparation de nouveaux derives benzodiazepines
BE852148A (fr) Procede de production d'hydrazobenzenes
EG12807A (en) Procede d'hydrofugation d'ouvrage en platre
BE857435R (fr) Procede de preparation d'hemi-esters sulfuriques
BE854178A (fr) Procede de fabrication d'electrodes ameliorees
FR2342957A1 (fr) Procede de preparation d'alkoxyanilines
BE855037R (fr) Procede d'ammonoxydation
FR2340137A1 (fr) Piece pour la production de mousse
IT1079667B (it) Procedimento per l'isolamento di diammino-difenilmetani
FR2343732A1 (fr) Procede de preparation du 1,2,3-triazole-4(5)-thiol
BE856381A (fr) Procede de preparation d'esters de glycol

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DYNAMIT NOBEL A.G.

Effective date: 19941231