Double envelope and method of making same
Double- and bottom-seam bag-making method and apparatus
Double-seam bag-making method and apparatus with offset stacking
Double-walled hollow rod of flexible tubular material
Draw tape bag forming method and apparatus
Draw tape bag with two single wrap around draw tapes and method
Draw tape machines
Draw tape machines and methods
Drink pouches and methods for producing them
Driven guide roller indexing system
Dual-envelope making machine and method of using