US5275077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming perforated cut line by cutting plotter
Assignee: Mimaki Engineering Co Ltd
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Filing: 1991-02-27
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Granted: 1994-01-04
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Expires: 2011-02-27
Abstract
Abstract A method of forming a perforated cut line using a cutting plotter capable of accurately and rapidly forming a sheet with a perforated cut line along a cut line which is predetermined on a sheet and along which the sheet is to be cut. A cutter pressure at which a cutter is pressed onto the sheet is repeatedly reduced for a micro period of time at predetermined time intervals to form the sheet with a perforated cut line consisting of perforations and unperforated parts defined between the perforations in an intermittent manner.
Inventors
- 👤 Hisayuki Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/08; B26D3/085; B26F; B26F1/00; B26F1/18; B26F1/38; B26F1/3806; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0341; Y10T83/04; Y10T83/0481; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/6593; Y10T83/6595; Y10T83/869; Y10T83/8765
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
128 words
A method of forming a perforated cut line by a cutting plotter adapted to relatively move a pen cartridge in X and Y directions with respect to a sheet while contactedly pressing a cutter supported on the pen carriage onto the sheet at a predetermined cutter pressure in a manner to be vertically movable with respect to the sheet, comprising the steps of: repeatedly reducing said cutter pressure for a micro period of time at predetermined time intervals to form the sheet with a perforated cut line comprising perforations and unperforated parts defined between said perforations, wherein the reduction of said cutter pressure is carried out to such a degree that a groove of a given depth is caused to be formed on each of said unperforated parts.
Claim 2
Independent Claim
128 words
A method of forming a perforated cut line by a cutting plotter adapted to relatively move a pen cartridge in X and Y directions with respect to a sheet while contactedly pressing a cutter supported on the pen carriage onto the sheet at a predetermined cutter pressure in a manner to be vertically movable with respect to the sheet, comprising the steps of: repeatedly reducing said cutter pressure for a micro period of time at predetermined time intervals to form the sheet with a perforated cut line comprising perforations and unperforated parts defined between said perforations, wherein the reduction of said cutter pressure is carried out to such a degree that a groove of a given depth is caused to be formed on each of said unperforated parts.
Claim 3
Dependent Claim
16 words
A method as defined in claim 1, wherein the cutting plotter is of the flat-bed type.
Claim 4
Dependent Claim
37 words
A method as defined in claim 1, wherein said repeated reduction of the cutter pressure is carried out while the cutter is relatively and continuously moved in the X and Y directions with respect to the sheet.
Claim 5
Dependent Claim
34 words
A method as defined in claim 1, wherein the relative movement of the cutter relative to the sheet is stopped every time the formation of one of said unperforated parts is started and terminated.
Claim 6
Dependent Claim
17 words
A method as defined in claim 1, wherein the cutting plotter is of the paper moving type.
Claim 7
Dependent Claim
118 words
An improved method of cutting a sheet of flexible material by moving a cutter against the sheet at a predetermined cutter pressure, comprising the steps of: positioning the cutter adjacent the sheet; causing a predetermined pressure to be exerted against the cutter sufficient to cut the sheet; relatively moving the cutter and the sheet along a predetermined cut line to form a pattern; and varying the amount of pressure to the cutter to provide a series of perforations along the cut line spaced by unperforated segments, wherein the amount of pressure variation applied to the cutter causes grooves to be formed in the unperforated segments, and the pattern does not prematurely separate from the sheet to cause problems.
Claim 8
Dependent Claim
118 words
An improved method of cutting a sheet of flexible material by moving a cutter against the sheet at a predetermined cutter pressure, comprising the steps of: positioning the cutter adjacent the sheet; causing a predetermined pressure to be exerted against the cutter sufficient to cut the sheet; relatively moving the cutter and the sheet along a predetermined cut line to form a pattern; and varying the amount of pressure to the cutter to provide a series of perforations along the cut line spaced by unperforated segments, wherein the amount of pressure variation applied to the cutter causes grooves to be formed in the unperforated segments, and the pattern does not prematurely separate from the sheet to cause problems.
Claim 9
Dependent Claim
125 words
An improved method of cutting a sheet of flexible material by moving a cutter against the sheet at a predetermined cutter pressure, comprising the steps of: positioning the cutter adjacent the sheet; causing a predetermined pressure to be exerted against the cutter sufficient to cut the sheet; relatively moving the cutter and the sheet along a predetermined cut line to form a pattern; and varying the amount of pressure to the cutter to provide a series of perforations along the cut line spaced by unperforated segments, whereby the pattern does not prematurely separate from the sheet to cause problems, wherein the amount of pressure variation applied to the cutter leaves the cutter in constant contact with the sheet as it moves along the cut line.
Claim 10
Dependent Claim
125 words
An improved method of cutting a sheet of flexible material by moving a cutter against the sheet at a predetermined cutter pressure, comprising the steps of: positioning the cutter adjacent the sheet; causing a predetermined pressure to be exerted against the cutter sufficient to cut the sheet; relatively moving the cutter and the sheet along a predetermined cut line to form a pattern; and varying the amount of pressure to the cutter to provide a series of perforations along the cut line spaced by unperforated segments, whereby the pattern does not prematurely separate from the sheet to cause problems, wherein the amount of pressure variation applied to the cutter leaves the cutter in constant contact with the sheet as it moves along the cut line.
Claim 11
Dependent Claim
26 words
A method as defined in claim 7, wherein the amount of pressure variation applied to the cutter causes grooves to be formed in the unperforated segments.
References Cited (Backward Citations)
US3973453A
Cited
US4467525A
Cited
US4524894A
Cited
US4732069A
Cited
US4920495A
Cited
US5136910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-01-03 | 1997-07-05 | 1998-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-03 | 2001-07-05 | 2002-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-03 | 2005-07-05 | 2006-01-04 | $7700.00 | Window Closed / Lapsed |