JPS50116552A - - Google Patents
Info
- Publication number
- JPS50116552A JPS50116552A JP49143075A JP14307574A JPS50116552A JP S50116552 A JPS50116552 A JP S50116552A JP 49143075 A JP49143075 A JP 49143075A JP 14307574 A JP14307574 A JP 14307574A JP S50116552 A JPS50116552 A JP S50116552A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- 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
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/131—Curved articles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2362465A DE2362465C3 (de) | 1973-12-15 | 1973-12-15 | Verfahren zur Herstellung von starren Rohrbogen aus Kunststoff und Vorrichtung zur Durchführung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50116552A true JPS50116552A (enExample) | 1975-09-11 |
| JPS5755576B2 JPS5755576B2 (enExample) | 1982-11-25 |
Family
ID=5900889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49143075A Expired JPS5755576B2 (enExample) | 1973-12-15 | 1974-12-14 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5755576B2 (enExample) |
| DE (1) | DE2362465C3 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238728A (ja) * | 1986-04-09 | 1987-10-19 | Tokai Rubber Ind Ltd | 熱硬化性樹脂製曲管の製法 |
| CN120716133A (zh) * | 2025-08-14 | 2025-09-30 | 内蒙古志鸿节能科技有限公司 | 高密度聚乙烯无缝化弯管聚氨酯保温弯头及制备方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273523A (en) * | 1979-10-26 | 1981-06-16 | Nipak, Inc. | Sweep ell production apparatus |
| US4359446A (en) * | 1979-10-26 | 1982-11-16 | Nipak, Inc. | Sweep ell production method |
| US4955803A (en) * | 1986-02-03 | 1990-09-11 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for forming fiber composite materials |
| US5102609A (en) * | 1986-02-03 | 1992-04-07 | The Board Of Trustees Of The Leland Stanford Junior University | Process for forming fiber composite materials |
| US4929167A (en) * | 1987-06-12 | 1990-05-29 | Pepper Kenneth V | Apparatus for producing a helical tube |
| US5344602A (en) * | 1992-08-14 | 1994-09-06 | The Board Of Trustees Of The Leland Stanford Junior University | Continuous forming of fiber composite materials |
| JP7283070B2 (ja) * | 2018-12-19 | 2023-05-30 | コベルコ建機株式会社 | 作業機械用周辺監視装置 |
| CN114474645B (zh) * | 2022-02-14 | 2023-10-27 | 三杰节能新材料股份有限公司 | 一种大型聚乙烯保温外护弯管的加工方法 |
-
1973
- 1973-12-15 DE DE2362465A patent/DE2362465C3/de not_active Expired
-
1974
- 1974-12-14 JP JP49143075A patent/JPS5755576B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238728A (ja) * | 1986-04-09 | 1987-10-19 | Tokai Rubber Ind Ltd | 熱硬化性樹脂製曲管の製法 |
| CN120716133A (zh) * | 2025-08-14 | 2025-09-30 | 内蒙古志鸿节能科技有限公司 | 高密度聚乙烯无缝化弯管聚氨酯保温弯头及制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2362465A1 (de) | 1975-06-26 |
| DE2362465C3 (de) | 1978-04-06 |
| JPS5755576B2 (enExample) | 1982-11-25 |
| DE2362465B2 (de) | 1977-08-11 |