|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||493/176 ; 493/143 ; 493/295|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 36 인용 특허 : 0|
A case, made from a sheet material such as cardboard or corrugated board, having rectangular lateral faces connected in twos by a fold line. The fold lines are parallel to each other. Such a case comprises at least five lateral faces. It may be obtained by wrapping a sheet material blank about a mandrel in cooperation with a pressure plate whose profile corresponds to that of two or three consecutive faces of the mandrel.
A machine for forming a carton with a polygonal section having at least five faces from a blank having at least five side wall panel elements (1 to 8) delineated by first bending lines (9 to 14) parallel to each other including two end side wall panel elements (1 and 8) and at least three intermediate side wall panel elements (2 to 7), and side flaps (18.1 to 18.7) intended to form the bottom of said carton and respectively connected to said side wall panel elements by second bending lines (20.1 to 20.7) perpendicular to said first bending lines, the fre...