Resources Contact Us Home
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
System and method for wireless messaging in a wireless communication system
Emergency whistle, flashlight, and compass
Carrier for developing electrostatic charge image, developer for developing electrostatic charge image, image forming apparatus, and image forming method
Potential separation for filling level radar
Controlling a resource demand system
Content protection apparatus and content encryption and decryption apparatus using white-box encryption table
Performance monitoring of advanced process control systems
  Randomly Featured Patents
Dispenser for oil/vinegar bottle
Connector back shells having a plurality of cable exit angles
Eleven petal flower shaped golf club divider for a golf bag
Storage container and dispenser for rolled web products
Method for adhering semiconductor devices
Lobster trap ballast
Mobile wireless communications device having improved antenna impedance match and antenna gain from RF energy
Snowplow blade
Polyaxial pedicle screw having a rotating locking element
Cable assembly with new interface