FI301074A - - Google Patents
Info
- Publication number
- FI301074A FI301074A FI3010/74A FI301074A FI301074A FI 301074 A FI301074 A FI 301074A FI 3010/74 A FI3010/74 A FI 3010/74A FI 301074 A FI301074 A FI 301074A FI 301074 A FI301074 A FI 301074A
- Authority
- FI
- Finland
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
- B26F1/0053—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes by machining, e.g. cutting, grinding, projections on the tube wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
- B26F1/0061—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes whereby the tube moves axially or radially
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
- B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
-
- 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
- B29L2023/003—Tubular articles having irregular or rough surfaces
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732351768 DE2351768C3 (en) | 1973-10-16 | Plastic drainage pipe with transversely corrugated pipe wall and with water inlet openings covered by ring filters and a device for producing such a drainage pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI301074A true FI301074A (en) | 1975-04-17 |
Family
ID=5895507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI3010/74A FI301074A (en) | 1973-10-16 | 1974-10-15 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT343054B (en) |
| BE (1) | BE821117A (en) |
| DK (1) | DK143416C (en) |
| FI (1) | FI301074A (en) |
| FR (1) | FR2247661A1 (en) |
| GB (1) | GB1479000A (en) |
| NL (1) | NL7413601A (en) |
| SE (1) | SE410631B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI70388C (en) * | 1985-07-24 | 1986-09-19 | Uponor Ab | SAETT OCH ANORDNING FOER ATT AOSTADKOMMA ETT HAOL I ETT PLASTROER |
| CA1329871C (en) * | 1989-05-17 | 1994-05-31 | Manfred A. A. Lupke | Method for forming tubing utilizing suction and pneumatic pressure at the surface of the cooling plug |
| US5296188A (en) * | 1992-01-14 | 1994-03-22 | Corma, Inc. | Methods for forming tubing utilizing suction and pneumatic pressure at the surface of the cooling plug |
| US6016848A (en) * | 1996-07-16 | 2000-01-25 | W. L. Gore & Associates, Inc. | Fluoropolymer tubes and methods of making same |
| CN112610757B (en) * | 2020-12-18 | 2022-07-26 | 康命源（贵州）科技发展有限公司 | Corrosion-resistant HDPE double-wall corrugated pipe |
-
1974
- 1974-10-07 AT AT804874A patent/AT343054B/en not_active IP Right Cessation
- 1974-10-15 SE SE7412941A patent/SE410631B/en unknown
- 1974-10-15 DK DK538374A patent/DK143416C/en active
- 1974-10-15 FI FI3010/74A patent/FI301074A/fi unknown
- 1974-10-16 FR FR7434771A patent/FR2247661A1/fr active Pending
- 1974-10-16 BE BE149570A patent/BE821117A/en unknown
- 1974-10-16 NL NL7413601A patent/NL7413601A/en not_active Application Discontinuation
- 1974-10-16 GB GB44902/74A patent/GB1479000A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ATA804874A (en) | 1977-08-15 |
| BE821117A (en) | 1975-02-17 |
| FR2247661A1 (en) | 1975-05-09 |
| DE2351768B2 (en) | 1976-01-22 |
| DK538374A (en) | 1975-06-16 |
| SE7412941L (en) | 1975-04-17 |
| DK143416B (en) | 1981-08-17 |
| DE2351768A1 (en) | 1975-08-28 |
| NL7413601A (en) | 1975-04-18 |
| GB1479000A (en) | 1977-07-06 |
| SE410631B (en) | 1979-10-22 |
| AT343054B (en) | 1978-05-10 |
| DK143416C (en) | 1981-12-21 |