US3334406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for alignment and mounting of a piercing punch
Assignee: MINNIE PUNCH AND DIE CO Inc
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Filing: 1965-04-05
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Granted: 1967-08-08
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Edward D Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:03
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/005; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49778; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49934; Y10T83/00; Y10T83/04; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
THE METHOD OF ALIGNING AND MOUNTING A PIERCING PUNCH IN A PARALLEL PLATE PUNCHING DIE SET COMPRISING THE STEPS OF FORMING A DIE HAVING AN OPENING EQUAL TO THE PIERCING PUNCH POINT DIAMETER, MOUNTING THE DIE ON A PLATE OF THE DIE SET DESIGNATED AS THE DIE PLATE, TRANSFERRING THE DIE OPENING TO ANOTHER PLATE DESIGNATED AS THE PUNCH PLATE, PLACING A SUPPORT BUSHING BETWEEN THE PUNCH PLATE AND DIE, PLACING A SELF-LOCKING PUNCH THROUGH THE PUNCH PLATE, SUPPORT BUSHING AND INTO THE OPENING SO AS TO ACCURATELY ALIGN THE PUNCH POINT WITH THE DIE OPENING, THE PUNCH PLATE OPENING BEING SLIGHTLY LARGER THAN THE PUNCH BODY BUT SMALLER THAN THE PUNCH HEAD, APPLYING A FORCE TO THE PUNCH SO AS TO DISTORT THE PUNCH PLATE MATERIAL WHILE GUIDING THE PUNCH POINT IN THE DIE AND SUPPORTING THE PUNCH PLATE MATERIAL UNDER THE PIERCING PUNCH HEAD WITH THE SUPPORT BUSHING THUS LOCKING THE PIERCING PUNCH INTO THE PUNCH PLATE IN A POSITION OF ACCURATE ALIGNMENT WITH THE DIE, REMOVING THE SUPPORT BUSHING, MACHINING THE DIE TO ENLARGE THE DIE OPENING TO PROVIDE PROPER PUNCHING CLEARANCE; AND ASSEMBLING THE PARALLEL PLATE DIE SET.
Claim 2
Independent Claim
192 words
THE METHOD OF ALIGNING AND MOUNTING A PIERCING PUNCH IN A PARALLEL PLATE PUNCHING DIE SET COMPRISING THE STEPS OF FORMING A DIE HAVING AN OPENING EQUAL TO THE PIERCING PUNCH POINT DIAMETER, MOUNTING THE DIE ON A PLATE OF THE DIE SET DESIGNATED AS THE DIE PLATE, TRANSFERRING THE DIE OPENING TO ANOTHER PLATE DESIGNATED AS THE PUNCH PLATE, PLACING A SUPPORT BUSHING BETWEEN THE PUNCH PLATE AND DIE, PLACING A SELF-LOCKING PUNCH THROUGH THE PUNCH PLATE, SUPPORT BUSHING AND INTO THE OPENING SO AS TO ACCURATELY ALIGN THE PUNCH POINT WITH THE DIE OPENING, THE PUNCH PLATE OPENING BEING SLIGHTLY LARGER THAN THE PUNCH BODY BUT SMALLER THAN THE PUNCH HEAD, APPLYING A FORCE TO THE PUNCH SO AS TO DISTORT THE PUNCH PLATE MATERIAL WHILE GUIDING THE PUNCH POINT IN THE DIE AND SUPPORTING THE PUNCH PLATE MATERIAL UNDER THE PIERCING PUNCH HEAD WITH THE SUPPORT BUSHING THUS LOCKING THE PIERCING PUNCH INTO THE PUNCH PLATE IN A POSITION OF ACCURATE ALIGNMENT WITH THE DIE, REMOVING THE SUPPORT BUSHING, MACHINING THE DIE TO ENLARGE THE DIE OPENING TO PROVIDE PROPER PUNCHING CLEARANCE; AND ASSEMBLING THE PARALLEL PLATE DIE SET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |