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Title:
SYSTEM FOR SHAPING / CUTTING WITH EXPANDABLE AND COLLAPSIBLE CORE
Document Type and Number:
WIPO Patent Application WO/2016/001940
Kind Code:
A1
Abstract:
The system for shaping / cutting with expandable and collapsible core is used for shaping and / or cutting processes of several materials by the use of an expandable and collapsible core which contributes to avoid the collapse of materials due to the generated forces during manufacturing. There are two possible kinds of manufacturing: with or without scraps.

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Inventors:
D AURIA ROCCO (IT)
Application Number:
PCT/IT2014/000173
Publication Date:
January 07, 2016
Filing Date:
July 01, 2014
Export Citation:
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Assignee:
C M P SRL (IT)
International Classes:
B29C33/48; B23B31/10; B23B31/40; B29C69/00
Foreign References:
GB1117942A1968-06-26
US4238979A1980-12-16
US3834257A1974-09-10
Other References:
None
Download PDF:
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Claims:
CLAIMS

System for shaping / cutting with expandable and collapsible core

1) Expandable and collapsible core. Used for shaping and / or cutting processes of an expandable and collapsible core / die. " Expansible core / die " means a device for cutting and / or shaping processes, necessary for reducing deformations due to the processes themselves. " Collapsible die / core " means the possibility of the collapsible core / die to reduce its dimensions and / or be able to release the part / material once it has been manufactured.
Description:
DESCRIPTION

System for shaping / cutting with expandable and collapsible core

The system for shaping / cutting with expandable and collapsible core allow to make cutting and/or shaping of several kind of items and materials by using an expandable and collapsible core. Without the use of the core the materials will collapse due to the forces generated during manufacturing. The core must be expandable and collapsible otherwise after manufacturing the deformed material would wrap up the core and it would not be possible to extract the core from the finished part any more.

There are two possible kinds of manufacturing:

1- Manufacturing without scrap ( the material to be manufactured will not be divided into more pieces )

2- Manufacturing with scrap ( the material to be manufactured will produce more pieces starting from one part ) : the core can collect these scraps which must be removed before starting a new cycle.




 
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