{"number":"US12702993B2","kindCode":"B2","documentType":"grant","title":{"original":"Manually operated pump","english":"Manually operated pump"},"abstract":{"original":"A manually operated pump (1), comprising a cup-shaped body (2) inside which a piston (3)—coupled with a hollow stem (4) for the movement thereof within the cup-shaped body (2)—sealingly slides, the pump being equipped with a base (5) which seals the cup-shaped body (2) and which is endowed with a hole (11) for the stem (4), the said stem (4) and the base (5) being torsionally coupled, at least part of the cup-shaped body (2) and of the piston (3) delimiting a compression chamber (6) coupled with at least one suction valve element (8) and with a delivery valve element (9), the said delivery val…","english":"A manually operated pump (1), comprising a cup-shaped body (2) inside which a piston (3)—coupled with a hollow stem (4) for the movement thereof within the cup-shaped body (2)—sealingly slides, the pump being equipped with a base (5) which seals the cup-shaped body (2) and which is endowed with a hole (11) for the stem (4), the said stem (4) and the base (5) being torsionally coupled, at least part of the cup-shaped body (2) and of the piston (3) delimiting a compression chamber (6) coupled with at least one suction valve element (8) and with a delivery valve element (9), the said delivery val…"},"applicants":["SILGAN DISPENSING SYSTEMS MILANO S.R.L."],"inventors":["ANDREA MARELLI"],"filingDate":"2024-03-28","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702993B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702993B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702993B2","ja":"https://downloadpatent.com/ja/patent/US12702993B2"}}