|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/254 ; 220/321 ; 220/601|
|우선권정보||DE-0012506 U (1996-07-19)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 8|
The object of this invention is a lidded barrel with a barrel lid and a clamping-ring closure. Between its flat lid plate and its outer rim, the barrel lid is provided with a circular, perimetric groove while also featuring in its periphery at least one bung well with or without a bunghole. When a barrel is dropped, the areas around the bung well are most vulnerable to breakage, i.e. it is in these areas that the barrel lid is most likely to slip out of the clamping ring with leaks resulting. In order to improve leak resistance of a lidded barrel, especi...
[ I claim:] [1.] In a lidded barrel (10) for storing and transporting hazardous liquid or solid bulk materials, the barrel having a barrel body (12) with an outer barrel wall and an upper barrel opening; an upper barrel lid (14) having a center, an outer inverted U-shaped rim (20) with an upper edge (32) and a plurality of radial surface lengths extending radially from said center to the upper edge of the U-shaped rim (20) of said lid; and a U-shaped clamping-ring closure (16) which hooks under a flanged rim (48) provided on the outer barrel wall in the ...