Title:
穿孔装置のためのガス作動型のストリッパ及び該ストリッパを備えた穿孔装置
Document Type and Number:
Japanese Patent JP6760737
Kind Code:
B2
Abstract:
A gas-actuated hold-down (10) for punching devices comprising:
- a tubular containment body (11),
- a hold-down element (12), adapted to translate within the tubular body (11) in order to protrude from and retract into a first end (13) thereof,
- a tubular punch die-covering element (14), which is coaxial to the tubular body (11), for guiding the hold-down element (12),
- an annular closure body (15), designed to close the tubular containment body (11) at the opposite second end (16) thereof,
- a pressure chamber (17) defined between the tubular body (11), the tubular punch die-covering element (14), the hold-down element (12) and the annular closure body (15),
- a fixing flange (18), which widens radially from the tubular containment body (11) at the second end (16) thereof,
- the fixing flange (18) having a through charging hole (19) which extends in a radial direction with respect to a main axis (X) of the hold-down (10), from a surface that is exposed in the configuration for use of the hold-down (10) up to the pressure chamber (17).
Inventors:
Massimo Fiorese
Daniel Phantinato
Robert Resch
Daniel Phantinato
Robert Resch
Application Number:
JP2016033209A
Publication Date:
September 23, 2020
Filing Date:
February 24, 2016
Export Citation:
Assignee:
SPECIAL SPRINGS S.R.L.
International Classes:
B21D28/34; B21D37/14
Domestic Patent References:
| JP7103275A | ||||
| JP59025323U | ||||
| JP2000145724A | ||||
| JP2010508152A |
Foreign References:
| US20100229706 | ||||
| US4316399 | ||||
| US2662773 |
Attorney, Agent or Firm:
Koji Nagato