GB1302291A - - Google Patents
Info
- Publication number
- GB1302291A GB1302291A GB360770A GB360770A GB1302291A GB 1302291 A GB1302291 A GB 1302291A GB 360770 A GB360770 A GB 360770A GB 360770 A GB360770 A GB 360770A GB 1302291 A GB1302291 A GB 1302291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spider
- jan
- upstream
- downstream edges
- tapered
- 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
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
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
1302291 Extruder mandrel support J FRANCK 26 Jan 1970 [24 Jan 1969] 3607/70 Heading B5A A tube extrusion mandrel 7 is supported by four wings 8 of a spider 4 which taper at their upstream and downstream edges, and at their tapered downstream edges define with inwardly tapered bounding shoulders 13 and 6, spider flow passages of a total area not greater than that of the spider passages upstream thereof.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE727341 | 1969-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1302291A true GB1302291A (en) | 1973-01-04 |
Family
ID=3854156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB360770A Expired GB1302291A (en) | 1969-01-24 | 1970-01-26 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE727341A (en) |
FR (1) | FR2029067A1 (en) |
GB (1) | GB1302291A (en) |
NL (1) | NL7001013A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2125332A (en) * | 1982-07-09 | 1984-03-07 | Alfredo Cavalli | An extruder for extruding pasta in the form of a thin continuous strip |
WO2015027769A1 (en) | 2013-08-29 | 2015-03-05 | 天津工业大学 | Novel enhancing electrostatic spinning nanofiber membrane, producing method thereof, and device applied to method |
WO2023093336A1 (en) | 2021-11-29 | 2023-06-01 | 南通醋酸纤维有限公司 | Biodegradable material, and film product and application thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4040733A1 (en) * | 1990-12-19 | 1992-06-25 | Siemens Ag | DEVICE FOR PRODUCING A STRAND OF MATERIAL WITH A CENTRAL OPENING |
-
1969
- 1969-01-24 BE BE727341D patent/BE727341A/xx unknown
-
1970
- 1970-01-23 FR FR7002507A patent/FR2029067A1/fr active Pending
- 1970-01-23 NL NL7001013A patent/NL7001013A/xx unknown
- 1970-01-26 GB GB360770A patent/GB1302291A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2125332A (en) * | 1982-07-09 | 1984-03-07 | Alfredo Cavalli | An extruder for extruding pasta in the form of a thin continuous strip |
WO2015027769A1 (en) | 2013-08-29 | 2015-03-05 | 天津工业大学 | Novel enhancing electrostatic spinning nanofiber membrane, producing method thereof, and device applied to method |
WO2023093336A1 (en) | 2021-11-29 | 2023-06-01 | 南通醋酸纤维有限公司 | Biodegradable material, and film product and application thereof |
Also Published As
Publication number | Publication date |
---|---|
FR2029067A1 (en) | 1970-10-16 |
NL7001013A (en) | 1970-07-28 |
BE727341A (en) | 1969-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |