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.)
Keelavite Co Ltd
Original Assignee
Keelavite Co Ltd
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 Keelavite Co LtdfiledCriticalKeelavite Co Ltd
Priority to ES0235977ApriorityCriticalpatent/ES235977A1/en
Publication of ES235977A1publicationCriticalpatent/ES235977A1/en
Improvements in apparatus for forming tubes, characterized by being used to obtain one or more bulges or collars at the end thereof, by dilating them inside one or more recesses of an enveloping part, and by comprising a pressure application element containing a generally cylindrical head inserted into the part of the tube surrounded by the enclosing part; the head has circumferentially long closing means, with spaced annular end portions, arranged to form watertight seals for the fluid with the head, and an elastic tubular membrane extended between the end portions and in watertight fit for the fluid therewith, and a step by which pressurized fluid can be supplied to the periphery of the head, in the section surrounded by the membrane, to expand this, in order to push into the interior of the recess or recesses the part of the tube surrounded by it. (Machine-translation by Google Translate, not legally binding)
ES0235977A1957-06-111957-06-11Improvements in apparatus to conform tubes (Machine-translation by Google Translate, not legally binding)
ExpiredES235977A1
(en)
Improvements introduced in the manufacture of hoses to connect between flexible or rigid tubes (Machine-translation by Google Translate, not legally binding)