|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||141/391; 141/316; 248/099; 248/100|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 6|
A tensioner and method for use in holding the mouth of a bag in an open position has an annular body made of flexible and resilient material with a perimeter of fixed length. The tensioner can be compressed by manually forcing a periphery of the annular body inward. In the compressed position, the annular body is inserted into the mouth of the bag and the inward pressure is removed to allow the annular body to expand against the sides of the bag with sufficient pressure to hold the bag open and to hold the annular body in the installed position within th...
I claim: 1. A tensioner for use in holding a mouth of a bag in an open position, said bag having sides surrounding said mouth, said tensioner comprising an annular body and being made from flexible and resilient material, said body having a first edge and a second edge, said body conveying from said first edge to said second edge, said tensioner having a perimeter, a length of said perimeter being unadjustable, said tensioner having a relaxed position and a compressed position, in said compressed position said tensioner having a reduced area within said...