Japan, Sept. 18 -- DAIWA CAN CO LTD has got intellectual property rights for 'MANUFACTURING METHOD AND MANUFACTURING DEVICE OF CAN CONTAINER.' Other related details are as follows:
Application Number: JP,2021-191181
Category (FI): B65D1/00,120,B65D17/32
Stage: PROBLEM TO BE SOLVED: To provide a manufacturing method of a can container which can stably make a seam with a full open type can-top having an annular groove part and a can body, and to provide a manufacturing device.SOLUTION: A manufacturing method of a can container 100 includes: attaching, to the can body 101, a can-top 1, having a discoid panel part 21 in which a score line 31 is formed at the outer peripheral edge side, a flange part 23 for making a seam with a can body 101, an annular groove part 22 provided between the panel part 21 and the flange part 23 and protruding downward, and a tab 12 which is provided at the panel part 21, breaks the score line 31, and opens the panel part 21 along the score line 31; pressing an upper surface part 21c of the panel part 21, located at the radial outer side relative to and above the score line 31, with a knock-out pad 223; and making a seam with the can-top 1 pressed by the knock-out pad 223 and the can body 101.SELECTED DRAWING: Figure 8 (Grant)
Filing Date: Nov. 25, 2021
Publication Date: June 6, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
