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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES122800UpriorityCriticalpatent/ES122800Y/en
Publication of ES122800UpublicationCriticalpatent/ES122800U/en
Application grantedgrantedCritical
Publication of ES122800YpublicationCriticalpatent/ES122800Y/en
Pipe unloader characterized in that it is essentially constituted by a cylindrical pump body open in its lower part in which an elastic bell has been adapted and with a central hole in the upper part thereof through which a shank passes externally receiving a knob handling and whose rod at its opposite end has a plunger reinforced on both sides by each rigid washers which has its peripheral adjustment edge formed in double wedge to prevent air leakage both during the suction and ejection process; a shock absorber spring is installed on this piston and on the piston rod itself. (Machine-translation by Google Translate, not legally binding)