GB1316758A - Calendering - Google Patents
CalenderingInfo
- Publication number
- GB1316758A GB1316758A GB2776770A GB2776770A GB1316758A GB 1316758 A GB1316758 A GB 1316758A GB 2776770 A GB2776770 A GB 2776770A GB 2776770 A GB2776770 A GB 2776770A GB 1316758 A GB1316758 A GB 1316758A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roll
- nip
- wave
- nips
- profiled
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
1316758 Calendering HERMANN BEBSTORFF MASCHINENBAU G.m.b.H. 9 June 1970 [10 June 1969] 27767/70 Heading B5A A method of reducing the time spent by material immediately upstream of a nip in a multi-roll calender, comprises forming the material in the nip into a succession of wave crests and wave troughs across substantially the whole width, so that the material at the wave crests is squeezed out into the material upstream and then flows immediately into the wave trough. In Fig. 2 a roll 2 having a sinusoidal or sawtoothed profile defines nips with plain rolls 1 and 3. These nips are followed by a nip between plain rolls 3 and 4 to remove the corrugations in the material. The roll 1 can be profiled. The profiling can be in a helical formation. In Fig. 4, (not shown), an auxiliary roll (9) is profiled. The roll 9 can be heated, or cooled, and can be driven at an infinitely variable speed, or set obliquely relative to its co-operating roll.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691929350 DE1929350C3 (en) | 1969-06-10 | 1969-06-10 | Calender for the production of smooth webs or foils made of thermoplastic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1316758A true GB1316758A (en) | 1973-05-16 |
Family
ID=5736557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2776770A Expired GB1316758A (en) | 1969-06-10 | 1970-06-09 | Calendering |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4944585B1 (en) |
| BE (1) | BE751360A (en) |
| CS (1) | CS179908B2 (en) |
| DE (1) | DE1929350C3 (en) |
| FR (1) | FR2050108A5 (en) |
| GB (1) | GB1316758A (en) |
| NL (1) | NL142349B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716615A (en) * | 2019-03-20 | 2020-09-29 | 卢云峰 | Mixing device and using method thereof |
| US11167465B2 (en) | 2017-09-26 | 2021-11-09 | Davis-Standard, Llc | Casting apparatus for manufacturing polymer film |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363616A (en) * | 1976-06-18 | 1982-12-14 | Imperial Chemical Industries Limited | Machine and part therefor |
-
1969
- 1969-06-10 DE DE19691929350 patent/DE1929350C3/en not_active Expired
-
1970
- 1970-06-02 BE BE751360D patent/BE751360A/en unknown
- 1970-06-02 CS CS384870A patent/CS179908B2/en unknown
- 1970-06-06 JP JP4844670A patent/JPS4944585B1/ja active Pending
- 1970-06-08 NL NL7008307A patent/NL142349B/en unknown
- 1970-06-08 FR FR7021004A patent/FR2050108A5/fr not_active Expired
- 1970-06-09 GB GB2776770A patent/GB1316758A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11167465B2 (en) | 2017-09-26 | 2021-11-09 | Davis-Standard, Llc | Casting apparatus for manufacturing polymer film |
| US11173644B2 (en) | 2017-09-26 | 2021-11-16 | Davis-Standard, Llc | Casting apparatus for manufacturing polymer film |
| CN111716615A (en) * | 2019-03-20 | 2020-09-29 | 卢云峰 | Mixing device and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| BE751360A (en) | 1970-11-16 |
| NL7008307A (en) | 1970-12-14 |
| JPS4944585B1 (en) | 1974-11-29 |
| NL142349B (en) | 1974-06-17 |
| DE1929350B2 (en) | 1977-08-18 |
| DE1929350A1 (en) | 1970-12-17 |
| FR2050108A5 (en) | 1971-03-26 |
| CS179908B2 (en) | 1977-12-30 |
| DE1929350C3 (en) | 1978-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |