Cutting apparatus for manufacturing bags utilizing a rotary cutting die
US11267156B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2019 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | May 1, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26F1/44
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cutting apparatus including an apparatus frame and a cutting station, for forming interconnected bags, is provided. The cutting station includes a rotary anvil having an axis of rotation and mounted to a first frame structure, a rotary cutting die disposed adjacent to said rotary anvil and having an axis of rotation parallel to said first axis of rotation, said rotary cutting die including a rotatable cylindrical shaft carrying a die blade, said rotary cutting die being mounted to a frame structure, and an adjustment mechanism for varying the distance between said anvil and said cutting die, said mechanism including a rotatable spindle having threaded portions of different pitch. A first threaded portion engages a threaded portion of said first or said second frame structure and said second threaded portion engaging a threaded portion of said apparatus frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.