GB1206913A - Double-walled flask - Google Patents
Double-walled flaskInfo
- Publication number
- GB1206913A GB1206913A GB643269A GB643269A GB1206913A GB 1206913 A GB1206913 A GB 1206913A GB 643269 A GB643269 A GB 643269A GB 643269 A GB643269 A GB 643269A GB 1206913 A GB1206913 A GB 1206913A
- Authority
- GB
- United Kingdom
- Prior art keywords
- containers
- flange
- double
- flask
- container
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
- A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
- A47J41/022—Constructional details of the elements forming vacuum space
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Thermally Insulated Containers For Foods (AREA)
Abstract
1,206,913. Vacuum insulated vessels. JEAN DELFORTRIE FILS. 6 Feb., 1969 [7 Nov., 1968], No. 6432/69. Heading F4U. A vacuum flask comprises thermoplastics outer and inner containers 1 and 2. The flask includes a foot 7 formed by a flange 13 on the container 1 and by a plug 14 which is fitted after the inner container has been inserted through the opening formed by the flange 13. The necks 3 and 4 of the containers are welded to form a pouring lip. The containers are manufactured one with a cylindrical neck and one with a frusto-conical neck and the former is given its final form during the welding process.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE723541 | 1968-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1206913A true GB1206913A (en) | 1970-09-30 |
Family
ID=3853797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB643269A Expired GB1206913A (en) | 1968-11-07 | 1969-02-06 | Double-walled flask |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE723541A (en) |
GB (1) | GB1206913A (en) |
-
1968
- 1968-11-07 BE BE723541D patent/BE723541A/xx unknown
-
1969
- 1969-02-06 GB GB643269A patent/GB1206913A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE723541A (en) | 1969-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
429A | Application made for amendment of specification (sect. 29/1949) | ||
429H | Application (made) for amendment of specification now open to opposition (sect. 29/1949) | ||
429D | Case decided by the comptroller ** specification amended (sect. 29/1949) | ||
PS | Patent sealed | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PLNP | Patent lapsed through nonpayment of renewal fees |