BR8105659A - Tubo e processo para a fabricacao de tubos - Google Patents
Tubo e processo para a fabricacao de tubosInfo
- Publication number
- BR8105659A BR8105659A BR8105659A BR8105659A BR8105659A BR 8105659 A BR8105659 A BR 8105659A BR 8105659 A BR8105659 A BR 8105659A BR 8105659 A BR8105659 A BR 8105659A BR 8105659 A BR8105659 A BR 8105659A
- Authority
- BR
- Brazil
- Prior art keywords
- pipe
- manufacturing
- pipe manufacturing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/085—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using gamma-ray
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
- B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
-
- 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
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- 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
- B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
- B29K2707/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000359523A CA1142882A (en) | 1980-09-04 | 1980-09-04 | Pipe manufactured from irradiated polyethylene containing carbon black |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8105659A true BR8105659A (pt) | 1982-05-18 |
Family
ID=4117801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8105659A BR8105659A (pt) | 1980-09-04 | 1981-09-03 | Tubo e processo para a fabricacao de tubos |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0047625A3 (pt) |
JP (1) | JPS5776040A (pt) |
AR (1) | AR225831A1 (pt) |
AU (1) | AU7492581A (pt) |
BR (1) | BR8105659A (pt) |
CA (1) | CA1142882A (pt) |
DK (1) | DK389981A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845242A (ja) * | 1981-09-11 | 1983-03-16 | Mitsui Petrochem Ind Ltd | 給水用エチレン共重合体製管 |
US4525257A (en) * | 1982-12-27 | 1985-06-25 | Union Carbide Corporation | Low level irradiated linear low density ethylene/alpha-olefin copolymers and film extruded therefrom |
GB8332952D0 (en) * | 1983-12-09 | 1984-01-18 | Ward I M | Polymer irradiation |
JPH0650472A (ja) * | 1992-07-29 | 1994-02-22 | Koki Bussan Kk | 水性液体あるいはガス用管 |
WO2003089501A1 (en) * | 2002-04-19 | 2003-10-30 | Gammatron (Pty) Ltd | Method of increasing the hydrostatic stress strength of a polymer |
AU2003269577A1 (en) * | 2002-10-07 | 2004-04-23 | Helmut Wolf | Method for producing a weldable moulded part consisting of a plastic material |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA605124A (en) * | 1956-07-18 | 1960-09-13 | Phillips Petroleum Company | Heat treated irradiated 1-olefin polymers |
GB853737A (en) * | 1957-05-09 | 1960-11-09 | Ti Group Services Ltd | Irradiation of polymers |
US3362897A (en) * | 1962-11-21 | 1968-01-09 | Gen Electric | Stable irradiated polyethylene |
US3783115A (en) * | 1971-07-23 | 1974-01-01 | Cottbus Textilkombinat | Process for the radiation treatment of polyethylene |
GB1476480A (en) * | 1973-07-18 | 1977-06-16 | Du Pont Canada | Ethylene polymers for large diameter pipe |
-
1980
- 1980-09-04 CA CA000359523A patent/CA1142882A/en not_active Expired
-
1981
- 1981-09-01 EP EP81303989A patent/EP0047625A3/en not_active Withdrawn
- 1981-09-02 JP JP56137112A patent/JPS5776040A/ja active Pending
- 1981-09-03 AU AU74925/81A patent/AU7492581A/en not_active Abandoned
- 1981-09-03 BR BR8105659A patent/BR8105659A/pt unknown
- 1981-09-03 DK DK389981A patent/DK389981A/da not_active Application Discontinuation
- 1981-09-04 AR AR28665681A patent/AR225831A1/es active
Also Published As
Publication number | Publication date |
---|---|
AR225831A1 (es) | 1982-04-30 |
AU7492581A (en) | 1982-03-11 |
JPS5776040A (en) | 1982-05-12 |
DK389981A (da) | 1982-03-05 |
EP0047625A2 (en) | 1982-03-17 |
EP0047625A3 (en) | 1982-03-31 |
CA1142882A (en) | 1983-03-15 |
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