PT101777A - Tin cans intended for packaging food products, said tin cans being given vacuum-type closure means by non-riveted easily opened metal covers - Google Patents

Tin cans intended for packaging food products, said tin cans being given vacuum-type closure means by non-riveted easily opened metal covers Download PDF

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Publication number
PT101777A
PT101777A PT10177795A PT10177795A PT101777A PT 101777 A PT101777 A PT 101777A PT 10177795 A PT10177795 A PT 10177795A PT 10177795 A PT10177795 A PT 10177795A PT 101777 A PT101777 A PT 101777A
Authority
PT
Portugal
Prior art keywords
tin
vacuum
tin cans
cylindrical body
cover
Prior art date
Application number
PT10177795A
Other languages
Portuguese (pt)
Other versions
PT101777B (en
Inventor
Arnaldo Rojek
Original Assignee
Metalgrafica Rojek Ldt
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
Priority claimed from BR9500298A external-priority patent/BR9500298A/en
Application filed by Metalgrafica Rojek Ldt filed Critical Metalgrafica Rojek Ldt
Publication of PT101777A publication Critical patent/PT101777A/en
Publication of PT101777B publication Critical patent/PT101777B/en

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  • Closures For Containers (AREA)

Abstract

The invention consists in providing the mouth of the tin can, made from tinplate and formed by a cylindrical body 1 with an end wall applied normally by riveting, a suitable form for receiving and being closed, through the simple action of a vacuum and without the aid of any mechanical means, by a metal vacuum-type closure cover provided with a sealing gasket, which cover has a relief hole carrying a detachable seal, there being provided, for this purpose, at the upper end of the cylindrical body 1 of the tin can, an upwardly rolled cord 2, then undergoing, in this upper area of the body of the tin can where the said cord 2 is provided, a retraction with substantial reduction of diameter with inward inclination of this zone 3, in such a manner that the outer edge of this cord 2 is kept in the same vertical alignment of the outer face of the lateral wall of the cylindrical body 1 of the tin can and in such a manner as, when the cover 4 is seated in its closure position, to allow it to remain with the inner face of its downward flange or skirt 6 against the outer face of the lateral wall of the cylindrical body 1 of the tin can, resulting in a tin can whose closure is then obtained by an easily opened cover 4, with sealing gasket 5, which is not riveted, the retention and hermetic nature of which are obtained through the action of the vacuum formed inside the tin can, irrespective of whether this vacuum is obtained by physical or mechanical means. <IMAGE>
PT10177795A 1995-01-24 1995-09-29 CANS INTENDED FOR PACKAGING FOOD PRODUCTS. GIVING THEM FROM VACUUM CLOSING MEDIA, BY EASILY OPEN-CLOSE METAL COVERS NOT RECRAVED PT101777B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9500298A BR9500298A (en) 1994-01-25 1995-01-24 Cosmetic or dermopharmaceutical composition in the form of a soft paste and process for its preparation

Publications (2)

Publication Number Publication Date
PT101777A true PT101777A (en) 1996-07-31
PT101777B PT101777B (en) 2000-09-29

Family

ID=4060547

Family Applications (1)

Application Number Title Priority Date Filing Date
PT10177795A PT101777B (en) 1995-01-24 1995-09-29 CANS INTENDED FOR PACKAGING FOOD PRODUCTS. GIVING THEM FROM VACUUM CLOSING MEDIA, BY EASILY OPEN-CLOSE METAL COVERS NOT RECRAVED

Country Status (1)

Country Link
PT (1) PT101777B (en)

Also Published As

Publication number Publication date
PT101777B (en) 2000-09-29

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19960119

FC3A Refusal

Effective date: 19980916

FG3A Patent granted, date of granting

Effective date: 20000616

MM4A Annulment/lapse due to non-payment of fees;searched & examined patent

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20100329