CA1213710A - Molecularly orientating plastics material - Google Patents
Molecularly orientating plastics materialInfo
- Publication number
- CA1213710A CA1213710A CA000438474A CA438474A CA1213710A CA 1213710 A CA1213710 A CA 1213710A CA 000438474 A CA000438474 A CA 000438474A CA 438474 A CA438474 A CA 438474A CA 1213710 A CA1213710 A CA 1213710A
- Authority
- CA
- Canada
- Prior art keywords
- plastics material
- depressions
- strand
- zones
- stretching
- Prior art date
- 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
- 239000000463 material Substances 0.000 title claims abstract description 62
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims description 27
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 4
- 238000009740 moulding (composite fabrication) Methods 0.000 claims 19
- 239000011799 hole material Substances 0.000 description 17
- 239000004743 Polypropylene Substances 0.000 description 12
- 229920001155 polypropylene Polymers 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000007858 starting material Substances 0.000 description 11
- 230000035515 penetration Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000012467 final product Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- AFUDNVRZGPHSQO-UHFFFAOYSA-N 2-(2-methylpropylamino)-1,2-diphenylethanol Chemical compound C=1C=CC=CC=1C(NCC(C)C)C(O)C1=CC=CC=C1 AFUDNVRZGPHSQO-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D28/00—Producing nets or the like, e.g. meshes, lattices
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/81—Plastic net
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8229205 | 1982-10-13 | ||
| GB8229205 | 1982-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1213710A true CA1213710A (en) | 1986-11-12 |
Family
ID=10533567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000438474A Expired CA1213710A (en) | 1982-10-13 | 1983-10-06 | Molecularly orientating plastics material |
Country Status (9)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8509498D0 (en) * | 1985-04-12 | 1985-05-15 | Plg Res | Plastics material mesh structure |
| IT1228101B (it) * | 1988-12-20 | 1991-05-28 | Rdb Plastotecnica S P A V | Elemento lastriforme del tipo rete monostirata, particolarmente per usi geotecnici |
| US5267816A (en) * | 1989-09-14 | 1993-12-07 | Netlon Limited | Geogrids |
| US5269631A (en) * | 1989-09-14 | 1993-12-14 | Netlon Limited | Plastics material mesh structures |
| US5527500A (en) * | 1994-06-02 | 1996-06-18 | The Tensar Corporation | Method of forming a framed panel utilizing tensioning by heat shrinking |
| GB9423721D0 (en) | 1994-11-24 | 1995-01-11 | Netlon Ltd | Plastics material mesh structures |
| US6113346A (en) | 1996-07-31 | 2000-09-05 | Agfa Corporation | Method for loading and unloading a supply of plates in an automated plate handler |
| US5851089A (en) * | 1996-10-07 | 1998-12-22 | Tenax Spa | Composite reinforced structure including an integrated multi-layer geogrid and method of constructing the same |
| EP0914933B1 (en) * | 1997-11-04 | 2002-02-20 | Tenax S.p.A. | Method for stretching nets and grids |
| GB2390565A (en) * | 2002-06-27 | 2004-01-14 | Tensar Internat Ltd | Geogrid |
| WO2005118260A1 (en) * | 2004-06-04 | 2005-12-15 | The Tensar Corporation | Lightweight polypropylene nets manufactured with a beta nucleation additive, the method of manufacture and uses thereof |
| US20050288404A1 (en) * | 2004-06-25 | 2005-12-29 | William Shelton | Polypropylene grids manufactured with a beta nucleation additive, the method of manufacture and uses thereof |
| PL2122067T3 (pl) | 2007-02-06 | 2016-11-30 | Zintegrowane siatki z poli(tereftalanu etylenu), sposób ich wytwarzania i zastosowania | |
| US20090214821A1 (en) * | 2008-02-15 | 2009-08-27 | Walsh Anthony T | Multi-axial grid or mesh structures with high aspect ratio ribs |
| US9907343B2 (en) * | 2014-05-23 | 2018-03-06 | Wm. T. Burnett Ip, Llc | Protective padding layer |
| GEP20227349B (en) | 2015-10-09 | 2022-02-10 | Tensar Corp Llc | Geogrid made from coextruded multilayered polymer |
| US11519150B2 (en) | 2020-06-24 | 2022-12-06 | Tensar International Corporation | Horizontal mechanically stabilizing geogrid with improved geotechnical interaction |
| US11390015B2 (en) | 2020-06-24 | 2022-07-19 | Tensar International Corporation | Multi-axial integral geogrid and methods of making and using same |
| JP2024507588A (ja) | 2021-02-26 | 2024-02-20 | テンサー インターナショナル コーポレイション | 向上した地盤工学インタラクションを有する力学的安定化水平ジオグリッド |
| PE20241978A1 (es) | 2021-12-20 | 2024-09-26 | Tensar Int Corporation | Geomallas integrales multicapa expandidas y metodos de fabricacion y uso de las mismas |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE94251C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
| GB900914A (en) * | 1960-03-09 | 1962-07-11 | Plastic Textile Access Ltd | Improvements relating to the production of net or net-like fabric by extrusion |
| NL278551A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-06-02 | |||
| US3328505A (en) * | 1962-08-07 | 1967-06-27 | West Point Pepperell Inc | Method of making soft and drapeable foamed plastic sheeting |
| NL136829C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-11-20 | |||
| NL6800231A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-01-06 | 1968-07-08 | ||
| GB1261515A (en) * | 1968-03-20 | 1972-01-26 | Smith & Nephew | Net-like openwork structure |
| US3900550A (en) * | 1970-04-24 | 1975-08-19 | Dow Chemical Co | Method of enhancing flexure of plastic hinges |
| GB1506615A (en) * | 1976-06-08 | 1978-04-05 | Initial Plastics Ltd | Concrete or cement mortar |
| NO152611C (no) * | 1978-10-16 | 1985-10-23 | Plg Res | Plastnettkonstruksjon, fremgangsmaate til dens fremstilling og anvendelse av konstruksjonen |
| GB2031833B (en) * | 1978-10-16 | 1983-01-12 | Plg Res | Device for holding a number of containers |
| US4280978A (en) * | 1979-05-23 | 1981-07-28 | Monsanto Company | Process of embossing and perforating thermoplastic film |
| DE3273902D1 (en) * | 1981-04-03 | 1986-11-27 | Plg Res | Plastics material mesh structure |
-
1983
- 1983-10-03 US US06/538,420 patent/US4590029A/en not_active Expired - Lifetime
- 1983-10-06 CA CA000438474A patent/CA1213710A/en not_active Expired
- 1983-10-10 EP EP83306121A patent/EP0108513B1/en not_active Expired
- 1983-10-10 GB GB08327019A patent/GB2128132B/en not_active Expired
- 1983-10-10 DE DE8383306121T patent/DE3371488D1/de not_active Expired
- 1983-10-10 AT AT83306121T patent/ATE27121T1/de not_active IP Right Cessation
- 1983-10-13 JP JP58191657A patent/JPS59131434A/ja active Granted
-
1986
- 1986-11-06 HK HK848/86A patent/HK84886A/xx not_active IP Right Cessation
- 1986-12-30 MY MY686/86A patent/MY8600686A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0108513B1 (en) | 1987-05-13 |
| EP0108513A1 (en) | 1984-05-16 |
| GB2128132A (en) | 1984-04-26 |
| HK84886A (en) | 1986-11-14 |
| ATE27121T1 (de) | 1987-05-15 |
| GB2128132B (en) | 1986-01-15 |
| JPS59131434A (ja) | 1984-07-28 |
| US4590029A (en) | 1986-05-20 |
| DE3371488D1 (en) | 1987-06-19 |
| GB8327019D0 (en) | 1983-11-09 |
| MY8600686A (en) | 1986-12-31 |
| JPH043731B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |