US3640235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cutting and hemming cloth lengths
Assignee: SEW SIMPLE SYSTEMS Inc A CORP OF
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Filing: 1970-06-05
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Granted: 1972-02-08
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Expires: 1990-06-05
Abstract
Abstract A method and apparatus for cutting and hemming cloth lengths wherein a continuous supply of cloth is fed along a first path to a cutting and transfer station, a predetermined length of cloth is cut from the supply and transferred to a second path extending approximately at a right angle to the first path, a first cut end of the cloth length is hemmed, the cloth length is folded across its length so that its second cut end overlaps the hemmed end, and the second cut end is hemmed.
Inventors
- 👤 Perry E Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
A; A41; A41H; A41H42/00; D; D05; D05B; D05B25/00; D05B41/00; D05B65/00; D05D; D05D2207/00; D05D2207/02; D05D2207/04; D05D2209/00; D05D2209/02; D05D2209/14; D05D2305/00; D05D2305/02; D05D2305/04; D05D2305/08; D05D2305/12; D05D2305/14; D05D2305/50; Y; Y10; Y10S; Y10S112/00; Y10S112/02; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/22; Y10T83/2205; Y10T83/525; Y10T83/536; Y10T83/541
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
228 words
Apparatus for fabricating lengths of cloth from a continuous supply of cloth comprising a transfer platform, feed means for feeding the end of the continuous supply of cloth in a first direction onto said transfer platform, sensing means for determining when a predetermined length of cloth has been fed onto said transfer platform, cutting means responsive To said sensing means for cutting the length of cloth on said transfer platform from the supply of cloth, conveyor means for moving the length of cloth in a second direction generally normal to the first direction, transfer means responsive to said sensing means for engaging the cut length of cloth and urging the cut length of cloth from said transfer platform toward said conveyor means, first edge-treating means positioned adjacent one side of said conveyor means for treating one cut edge of the cut length of cloth as the cut length of cloth moves in the second direction, folding means for folding the other cut edge of the cut length of cloth across the length of the cut length of cloth as the cut length of cloth continues to move the second direction, and second edge-treating means positioned adjacent said one side of said conveyor means for treating the other cut edge of the cut length of cloth as the cut length of cloth continues to move in the second direction.
Claim 2
Dependent Claim
228 words
Apparatus for fabricating lengths of cloth from a continuous supply of cloth comprising a transfer platform, feed means for feeding the end of the continuous supply of cloth in a first direction onto said transfer platform, sensing means for determining when a predetermined length of cloth has been fed onto said transfer platform, cutting means responsive To said sensing means for cutting the length of cloth on said transfer platform from the supply of cloth, conveyor means for moving the length of cloth in a second direction generally normal to the first direction, transfer means responsive to said sensing means for engaging the cut length of cloth and urging the cut length of cloth from said transfer platform toward said conveyor means, first edge-treating means positioned adjacent one side of said conveyor means for treating one cut edge of the cut length of cloth as the cut length of cloth moves in the second direction, folding means for folding the other cut edge of the cut length of cloth across the length of the cut length of cloth as the cut length of cloth continues to move the second direction, and second edge-treating means positioned adjacent said one side of said conveyor means for treating the other cut edge of the cut length of cloth as the cut length of cloth continues to move in the second direction.
Claim 3
Dependent Claim
28 words
The apparatus of claim 1 and wherein said transfer platform defines a plurality of spaced openings through its surface and means for flowing air upwardly through said openings.
Claim 4
Dependent Claim
76 words
The apparatus of claim 1 and wherein said transfer means comprises a cloth-engaging member, first pneumatic cylinder means for moving said cloth-engaging member in a downward direction toward said transfer platform into engagement with a length of cloth on said transfer platform, second pneumatic cylinder means for urging said cloth-engaging means across said transfer platform toward said conveyor means, and means for adjusting the position of said second pneumatic cylinder means with respect to said platform.
Claim 5
Dependent Claim
61 words
The apparatus of claim 1 and wherein said folding means comprises a folding rod supported in a cantilever arrangement with its free end extending above and in the direction of movement of said conveyor means, and an air blower arranged to blow air generally across said conveyor means and flip the other cut edge of the cloth across said folding rod.
Claim 6
Dependent Claim
52 words
The apparatus of claim 1 and wherein said first and second edge-treating means comprise hemming means constructed and arranged to form a thread chain between the edges of the cut length of cloth, and further comprising cutting means along the said one side of said conveyor means for cutting the thread chains.
Claim 7
Independent Claim
88 words
A method of hemming or otherwise treating cut ends of cloth lengths comprising moving flat unfolded cloth lengths in series through a horizontal path with the cut ends of the cloth lengths extending along the direction of the path, sequentially treating one cut end of each cloth length as it moves along its path, folding more than one-half the length of each cloth length across its length to position its untreated cut end beyond the treated cut end, and treating the other cut end of each cloth length.
Claim 8
Independent Claim
88 words
A method of hemming or otherwise treating cut ends of cloth lengths comprising moving flat unfolded cloth lengths in series through a horizontal path with the cut ends of the cloth lengths extending along the direction of the path, sequentially treating one cut end of each cloth length as it moves along its path, folding more than one-half the length of each cloth length across its length to position its untreated cut end beyond the treated cut end, and treating the other cut end of each cloth length.
Claim 9
Dependent Claim
55 words
The method of claim 6 and wherein the step of folding the cloth lengths comprises passing the cloth length beneath a cantilever folding rod, urging the other cut end of the cloth length over the folding rod with a flow of air, and passing the length of cloth off the end of the folding bar.
Claim 10
Dependent Claim
124 words
A continuous method of fabricating lengths of cloth from a continuous supply of cloth comprising feeding a generally continuous length of cloth from a supply along a first path, continually cutting predetermined lengths of the cloth away from the continuous length of cloth as the cloth moves along the first path, moving the cut lengths of cloth along a second path approximately normal to the first path without changing the attitude of the lengths of cloth, hemming one of the cut ends of each length of cloth as each length of cloth moves along the second path, folding each length of cloth so that its other cut end extends beyond its hemmed end, and hemming the second cut end of each length of cloth.
Claim 11
Dependent Claim
124 words
A continuous method of fabricating lengths of cloth from a continuous supply of cloth comprising feeding a generally continuous length of cloth from a supply along a first path, continually cutting predetermined lengths of the cloth away from the continuous length of cloth as the cloth moves along the first path, moving the cut lengths of cloth along a second path approximately normal to the first path without changing the attitude of the lengths of cloth, hemming one of the cut ends of each length of cloth as each length of cloth moves along the second path, folding each length of cloth so that its other cut end extends beyond its hemmed end, and hemming the second cut end of each length of cloth.
Claim 12
Dependent Claim
88 words
The method of claim 8 and wherein the step of feeding the generally continuous length of cloth from a supply along a first path comprises feeding the leading end of the continuous length of cloth past a cutting device until a predetermined length of the cloth has been moved past the cutting device, and terminating the feeding of the continuous length of cloth until the step of cutting the cloth has occurred and the step of moving the predetermined length of cloth along the second path has begun.
Claim 13
Dependent Claim
56 words
The method of claim 8 and wherein the step of moving each length of cloth along a second path is initiated by engaging the top surface of each length of cloth with a cloth-engaging member and urging the lengths of cloth in a direction transverse with respect to the direction of movement of the first path.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |