CAP STRUCTURE FOR RESIN CONTAINER - SUNTORY HOLDINGS LTD

Title:

CAP STRUCTURE FOR RESIN CONTAINER

Document Type and Number:

WIPO Patent Application WO/2016/151746

Kind Code:

A1

Abstract:

This invention can suitably maintain a sealed state inside a resin container only by changing the configuration of a cap. A cap structure (S) for a resin container (1) comprises: an opening (10) having, on the outer circumferential face (11), a male threaded portion (12); and a cap (20) having, on the inner circumferential face (21), a female threaded portion (22) in which a plurality of projections (23) are formed intermittently continuous in the circumferential direction. The male threaded portion (12) has a single thread section, which is one screw thread from the distal end to the terminal end of the opening (10), in a portion of the opening (10) in the circumferential direction. The opening (10) is sealed by screwing the female threaded portion (22) of the cap (20) onto the male threaded portion (12) of the opening (10) and screwing the cap (20) tightly on the opening. The cap structure (S) is provided with extended projections (24, 25) in the female threaded portion (22) disposed on the lower side of a single thread section (13a) on the male threaded portion (12), said extended projections being longer in the circumferential direction than other projections (23).

Inventors:

TAKANO RIKI (JP)
KOBAYASHI TOSHIYA (JP)
KATO TAKUTO (JP)

Application Number:

PCT/JP2015/058840

Publication Date:

September 29, 2016

Filing Date:

March 24, 2015

Export Citation:

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Assignee:

SUNTORY HOLDINGS LTD (JP)

International Classes:

B65D41/04

Foreign References:

GB2476089A	2011-06-15
JP2004035066A	2004-02-05
JP2013189246A	2013-09-26
US4090629A	1978-05-23

Other References: