PT74017A - Safety screw cap for bottles etc. - has tear=off safety ring with snap locking protrusion on inner side firmly securing behind radial bead - Google Patents

Safety screw cap for bottles etc. - has tear=off safety ring with snap locking protrusion on inner side firmly securing behind radial bead

Info

Publication number
PT74017A
PT74017A PT7401781A PT7401781A PT74017A PT 74017 A PT74017 A PT 74017A PT 7401781 A PT7401781 A PT 7401781A PT 7401781 A PT7401781 A PT 7401781A PT 74017 A PT74017 A PT 74017A
Authority
PT
Portugal
Prior art keywords
cap
safety
tear
screw cap
locking protrusion
Prior art date
Application number
PT7401781A
Other languages
German (de)
Portuguese (pt)
Other versions
PT74017B (en
Original Assignee
Deussen Stella Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deussen Stella Kg filed Critical Deussen Stella Kg
Priority to PT7401781A priority Critical patent/PT74017B/en
Publication of PT74017A publication Critical patent/PT74017A/en
Publication of PT74017B publication Critical patent/PT74017B/en

Links

Abstract

The screw cap is made from plastics and has an internal screw thread in its upper part and a skirt (26) forming its lower part. The bottle neck (23) has a conical region, below the screw thread (21), which terminates in a ridge (23a) with a shoulder (30) beneath its lower edge. The cap skirt is attached to the body of the cap by a number of small bridges (27). The lower edge (31) of the skirt is folded inwards and upwards so that it fits over the screw thread ridge and abuts against the shoulder with a snap action. This snap action locks the cap in position so that it can only be removed by applying a twisting force to the cap which is sufficient to tear the bridge ring.
PT7401781A 1981-11-20 1981-11-20 SCREW CAP WITH ORIGINALITY ASSURANCE PT74017B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT7401781A PT74017B (en) 1981-11-20 1981-11-20 SCREW CAP WITH ORIGINALITY ASSURANCE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT7401781A PT74017B (en) 1981-11-20 1981-11-20 SCREW CAP WITH ORIGINALITY ASSURANCE

Publications (2)

Publication Number Publication Date
PT74017A true PT74017A (en) 1981-12-01
PT74017B PT74017B (en) 1983-03-31

Family

ID=20083022

Family Applications (1)

Application Number Title Priority Date Filing Date
PT7401781A PT74017B (en) 1981-11-20 1981-11-20 SCREW CAP WITH ORIGINALITY ASSURANCE

Country Status (1)

Country Link
PT (1) PT74017B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0329640A1 (en) * 1988-02-16 1989-08-23 Dietmar F. Aichinger Tamper-evident closure for a container and injection mould for the manufacture of the closure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0329640A1 (en) * 1988-02-16 1989-08-23 Dietmar F. Aichinger Tamper-evident closure for a container and injection mould for the manufacture of the closure
WO1989007557A1 (en) * 1988-02-16 1989-08-24 Aichinger Dietmar F Tamperproof closure for containers and injection moulding tool for manufacturing said closure

Also Published As

Publication number Publication date
PT74017B (en) 1983-03-31

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