SYNTHETIC RESIN CONTAINER LID

Japanese Patent JP2016078924

A

PROBLEM TO BE SOLVED: To provide a plugging type synthetic resin container lid capable of sufficiently-easily separating a container lid from a mouth neck part of a container, without requiring large force.SOLUTION: A container lid 2 includes a thin wall reversal piece 18 extending upward by going over a top surface wall from the lower end connected to an outer peripheral surface of a skirt wall 6 or a boundary part between the outer peripheral surface of the skirt wall and an upper surface of the top surface wall 4 at an interval in the circumferential direction, a restriction wall 20 connected to the upper end of this thin wall reversal piece and dividing a specific part 22 in the circumferential direction or regulated by a breakable weakened part 24 and an operation part 30 connected via a connection piece 28 extending in the radial direction from the outer peripheral surface of the skirt wall in a position matched to the specific part. A locking object projection 26 and a locking projection 36 for limiting the expansion of the restriction wall by mutually cooperating, are arranged on the restriction wall 20 and the connection piece.SELECTED DRAWING: Figure 1

WO/2021/146298	CONTAINER COVERS AND METHODS OF USING THE SAME
JP6503215	Method and device for attaching the container lid to the mouth and neck of the container
JPH03503501	[Title of the Invention] Crozier and a mouth assembly

SHIMADA SATORU
YATOMI MASATAKA

JP2014214695A

May 16, 2016

October 21, 2014

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NIPPON CLOSURES CO LTD

B65D41/32; B65D41/48

JP2012530654A	2012-12-06
JP2012201399A	2012-10-22
JP2015168435A	2015-09-28
JPH08295361A	1996-11-12

US3990598A	1976-11-09
FR2429716A1	1980-01-25

Naozumi Ono
Sachiko Okunuki
Sayaka Hirakawa
Toshiyuki Kojima

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