Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Waldes y Cia SA
Original Assignee
Waldes y Cia SA
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 Waldes y Cia SAfiledCriticalWaldes y Cia SA
Priority to ES0056822UpriorityCriticalpatent/ES56822Y/en
Publication of ES56822UpublicationCriticalpatent/ES56822U/en
Application grantedgrantedCritical
Publication of ES56822YpublicationCriticalpatent/ES56822Y/en
Physical Or Chemical Processes And Apparatus
(AREA)
Abstract
Envelope with closure device, improved that is characterized in being provided in its flap and in the place facing it of the body, circular metal pieces endowed with a plurality of tips through the sheets of the flap and envelope, are folded over themselves securing the fixation, completing these pieces with central prominences, one of them open inside which receives the other thus constituting a closure system, which is guaranteed by the arrangement of lateral cuts and a flange in the open prominence , and a throat in the closed. (Machine-translation by Google Translate, not legally binding)
ES0056822U1956-10-231956-10-23
Envelope with closure device, improved
ExpiredES56822Y
(en)