Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Blank structure with indented fold lines for a cardboard container










Image Number 3 for United States Patent #4586650.

A blank structure for liquid having horizontal and vertical fold lines, bordered by specifically designed indented fold lines, the depth of grooves of the fold lines are gradually decreased toward the crossings of the respective fold lines. Thus, cracks or pinholes at the corners of the folded blank due to the folding stress in case of forming a container can be completely prevented.








 
 
  Recently Added Patents
Endotracheal tube
Method and apparatus for a battery docking connector having reserve power for hot battery swap
Tetrazolyl oxime derivative, salt thereof, and plant disease control agent
Head shield
Hypallergenic mosaic antigens and methods of making same
Superagonistic anti-CD28 antibodies
System and method for efficient association of a power outlet and device
  Randomly Featured Patents
Local browsing
Focal plane detecting device
Treating a totally or near totally occluded lumen
Bottle
Access control system
Automatic control method, usable in particular for maintaining the slip of a tire at an optimum level
.beta..sub.3 adrenergic agonists
Sheath flow cell and blood analyzer using the same
Light control device and fabrication methods therefor
Gas soldering iron