Title:
Three dimensional bag and method and apparatus for making same
United States Patent 3023679
US Patent References:
Method and means for cutting and joining sheet material
- - 2185647
Apparatus for separating conjointly gathered bag tube walls
- - 2615375
Internal spreader for gusseting layflat tubing
- - 2631332
Safety container of envelope type
- - 2690199
Bag making machine
- - 2707985
Method and means for cutting and joining sheet material
- - 2185647
Apparatus for separating conjointly gathered bag tube walls
- - 2615375
Internal spreader for gusseting layflat tubing
- - 2631332
Safety container of envelope type
- - 2690199
Bag making machine
- - 2707985
Inventors:
Piazze, Thomas E.
Publication Date:
03/06/1962
View Patent Images:
Export Citation:
Assignee:
CONTINENTAL CAN CO
Primary Class:
Other Classes:
493/328, 383/122, 156/250, 493/203, 383/121, 156/289
International Classes:
B26F3/06; B29C65/00; B29C65/74; B31B19/64; B31B37/00; B65D30/18; B31B19/00; B65D30/10
US Patent References:
Foreign References:
| FR1044871A |