IE32048L - Rubber belt edging. - Google Patents
Rubber belt edging.Info
- Publication number
- IE32048L IE32048L IE680514A IE51468A IE32048L IE 32048 L IE32048 L IE 32048L IE 680514 A IE680514 A IE 680514A IE 51468 A IE51468 A IE 51468A IE 32048 L IE32048 L IE 32048L
- Authority
- IE
- Ireland
- Prior art keywords
- limb
- die
- obturator
- bath
- convoluted
- Prior art date
Links
- 229920001971 elastomer Polymers 0.000 title abstract 3
- 238000007688 edging Methods 0.000 title abstract 2
- 239000005060 rubber Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 7
- 238000011144 upstream manufacturing Methods 0.000 abstract 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 abstract 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract 2
- 238000004073 vulcanization Methods 0.000 abstract 2
- 244000043261 Hevea brasiliensis Species 0.000 abstract 1
- 229920001400 block copolymer Polymers 0.000 abstract 1
- 239000000806 elastomer Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 229920003052 natural elastomer Polymers 0.000 abstract 1
- 229920001194 natural rubber Polymers 0.000 abstract 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract 1
- 229920001195 polyisoprene Polymers 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
- 235000010344 sodium nitrate Nutrition 0.000 abstract 1
- 239000004317 sodium nitrate Substances 0.000 abstract 1
- 235000010288 sodium nitrite Nutrition 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/06—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam for articles of indefinite length
-
- 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
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
-
- 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
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
- B29C2035/042—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids other than water
-
- 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
-
- 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
1,214,631. Extruding convoluted strip material. DUNLOP CO. Ltd. 8 May, 1968 [10 May, 1967], No. 21727/67. Heading B5A. [Also in Division B8] An extruded strip having a convoluted portion as at 40, Fig. 12, is made by extruding material, e.g. rubber, through a die orifice having a first part with bevelled leading edges and a second part which is obturated, the rate of flow through the first part thereby being greater than that through the second and the convolutions being formed by the restraining effect of material passing through the second part on that passing through the first part. The die plate of Fig. 4 has an essentially L-shaped orifice with the upstream edges of limb 19 being bevelled and an obturator 22, upstream of limb 20, being adjustable towards and away from limb 20 by rotation of bolts 23. The obturator may be angled to the die plate by rotating one of these bolts more than the other. In a modification, Figs. 8-11 (not shown), for producing the extrudate of Fig. 12, both limbs (31, 32) are bevelled, the former more so than the latter. At the junction of the limbs is an enlarged portion (35), Fig. 10 (not shown), which is masked on its upstream side by a throttle (37) attached to an obturator (36), Figs. 8, 9 (not shown). Throttle (37) is adjusted to produce an unconvoluted step portion 39, Fig. 12, which buttresses both unconvoluted limb 38, produced by material passing through die limb (32), and convoluted limb 40, produced by material passing through die limb (31). Preferred materials are vulcanizable elastomers such as natural rubber and styrene-butadiene copolymers or blends thereof. In the apparatus of Fig. 1, vulcanization takes place in a bath 7, which may contain a mixture of sodium nitrate and sodium nitrite, and the vulcanized product is washed with warm water in a bath 11. Other methods of vulcanization or curing mentioned are heating by use of heated liquids such as glycol, heated gases such as air, infra-red and micro-wave heaters and fluid bed techniques. Other materials mentioned are P.V.C., ethylene vinyl acetate copolymers and polystyrene-polyisoprene block copolymers in the use of all of which bath 7 may be dispensed with. The apparatus is particularly intended for the production of conveyer-belt edging.
[GB1214631A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21727/67A GB1214631A (en) | 1967-05-10 | 1967-05-10 | Improvements in or relating to the manufacture of strip material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE32048L true IE32048L (en) | 1968-11-10 |
| IE32048B1 IE32048B1 (en) | 1973-03-21 |
Family
ID=10167824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE514/68A IE32048B1 (en) | 1967-05-10 | 1968-05-02 | Improvements in or relating to the manufacture of strip material |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS491469B1 (en) |
| DE (1) | DE1778537A1 (en) |
| FR (1) | FR1563466A (en) |
| GB (1) | GB1214631A (en) |
| IE (1) | IE32048B1 (en) |
| NL (1) | NL6806524A (en) |
| SE (1) | SE337466B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI980960A1 (en) * | 1998-05-04 | 1999-11-04 | Colmec S P A | MOTODO AND BATH MIXED RETICULATION EQUIPMENT OF MELTED SALTS FOR EXTRUDED PROFILES |
| CN119217609B (en) * | 2024-12-02 | 2025-03-14 | 浙江亿化橡胶股份有限公司 | Flat vulcanizing machine for rubber conveyer belt production |
-
1967
- 1967-05-10 GB GB21727/67A patent/GB1214631A/en not_active Expired
-
1968
- 1968-05-02 IE IE514/68A patent/IE32048B1/en unknown
- 1968-05-08 NL NL6806524A patent/NL6806524A/xx unknown
- 1968-05-09 DE DE19681778537 patent/DE1778537A1/en active Pending
- 1968-05-10 JP JP43030979A patent/JPS491469B1/ja active Pending
- 1968-05-10 FR FR1563466D patent/FR1563466A/fr not_active Expired
- 1968-05-10 SE SE06392/68A patent/SE337466B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1214631A (en) | 1970-12-02 |
| JPS491469B1 (en) | 1974-01-14 |
| FR1563466A (en) | 1969-04-11 |
| SE337466B (en) | 1971-08-09 |
| DE1778537A1 (en) | 1971-08-05 |
| IE32048B1 (en) | 1973-03-21 |
| NL6806524A (en) | 1968-11-11 |
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