JPS5699032A - Manufacture of cap of can - Google Patents
Manufacture of cap of canInfo
- Publication number
- JPS5699032A JPS5699032A JP16201479A JP16201479A JPS5699032A JP S5699032 A JPS5699032 A JP S5699032A JP 16201479 A JP16201479 A JP 16201479A JP 16201479 A JP16201479 A JP 16201479A JP S5699032 A JPS5699032 A JP S5699032A
- Authority
- JP
- Japan
- Prior art keywords
- ring type
- flange
- cylinder
- projection
- cap
- 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.)
- Granted
Links
Landscapes
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
PURPOSE: To manufacture a cap of can possessing a high hermetic sealability without using an adhesive agent, by holding a ring type flange of a synthetic resin made ring body between a cap sheet and a ring type projection provided in the upper inside of the side wall of a capped metallic cylinder.
CONSTITUTION: A specified breadth of upper part of the side wall 1a of the capped cylinder 1, prepared from a metallic sheet by the drawing work, is pushed inward so as to form the ring type projection 2. A synthetic resin made ring type body 4, provided with a ring type flange 3 in its outside of upper part is inserted to the inside of this cylinder 1, and besides, the flange 3 is fitted into the ring type hollow groove 5 formed between the projection 2 and the cap sheet 1b of the cylinder 1. After that, the projection 2 and the circumferential edge of the cap sheet 1b are pressed, so as to pinch and set the ring type flange 3 at the circumferential edge of the cap sheet 1b. On the other hand, when the cylinder 1 is formed, the lower edge of the side wall 1a is bent outward so as to form the ring type flange 14. This flange 14 is bent outward at the same time as forming the projection 2, and the ring type curl 15 is formed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16201479A JPS5823171B2 (en) | 1979-12-13 | 1979-12-13 | Can lid manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16201479A JPS5823171B2 (en) | 1979-12-13 | 1979-12-13 | Can lid manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5699032A true JPS5699032A (en) | 1981-08-10 |
JPS5823171B2 JPS5823171B2 (en) | 1983-05-13 |
Family
ID=15746404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16201479A Expired JPS5823171B2 (en) | 1979-12-13 | 1979-12-13 | Can lid manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5823171B2 (en) |
-
1979
- 1979-12-13 JP JP16201479A patent/JPS5823171B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5823171B2 (en) | 1983-05-13 |
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