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1. (US4625887) Water-sealed type pot comprising steam escape valve member

المكتب : الولايات المتحدة الأمريكية
رقم الطلب: 06799988 تاريخ الطلب: 20.11.1985
رقم النشر: 4625887 تاريخ النشر: 02.12.1986
رقم التسليم: 4625887 تاريخ التسليم: 02.12.1986
نوع النشر: A
التصنيف الدولي للبراءات:
B65D 51/16
A47J 27/08
A47J 27/09
A47J 36/00
A47J 36/06
Description not available in lang arDescription not available in lang arDescription not available in lang arDescription not available in lang arDescription not available in lang ar
المتقدمون: Taiyo Altight Kogyo Co., Ltd.
المخترعون: Ito Motohiko
الوكلاء: Wenderoth, Lind & Ponack
بيانات الأولوية:
العنوان: (EN) Water-sealed type pot comprising steam escape valve member
الملخص: front page image
(EN)

A water-sealed type pot in which water can be retained between a flange portion at the upper portion of the pot body and its lid to obtain a sealing property. The lid includes a steam escape hole around which a valve seat is formed. Since a valve member is slidably provided on the valve seat, it can be selectively changed over between a position for opening the hole and a position for closing it. Although the valve member is pressed against the valve seat by a spring, it can rotate around the axis defined by the knob on the lid. In order to reduce friction during rotation, at least one of the slide surfaces of the valve member and of the valve seat is formed of polytetrafluoroethylene.