US3762220A - Continuous evaluation of yarn crimp - Google Patents
Continuous evaluation of yarn crimp Download PDFInfo
- Publication number
- US3762220A US3762220A US00216835A US3762220DA US3762220A US 3762220 A US3762220 A US 3762220A US 00216835 A US00216835 A US 00216835A US 3762220D A US3762220D A US 3762220DA US 3762220 A US3762220 A US 3762220A
- Authority
- US
- United States
- Prior art keywords
- yarn
- crimp
- constant tension
- velocity
- along
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/30—Devices controlling the forwarding speed to synchronise with supply, treatment, or take-up apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21683572A | 1972-01-10 | 1972-01-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
US3762220A true US3762220A (en) | 1973-10-02 |
US3762220B1 US3762220B1 (en) | 1987-07-21 |
Family
ID=22808690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00216835A Expired - Lifetime US3762220A (en) | 1972-01-10 | 1972-01-10 | Continuous evaluation of yarn crimp |
Country Status (1)
Country | Link |
---|---|
US (1) | US3762220A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3899927A (en) * | 1972-11-04 | 1975-08-19 | Akzona Inc | Method and apparatus for the measurement of crimp contraction |
DE2617019A1 (en) * | 1976-04-17 | 1977-10-27 | Bayer Ag | Measuring crimping of moving fibre tow - using predetermined formula and drawing off tow at specified tension |
FR2434369A1 (en) * | 1978-08-23 | 1980-03-21 | Inst Textile De France | Textile thread length control process - controls speed of thread unwinding from reel using mechanical control and photo-resistive detector |
US4295252A (en) * | 1979-07-12 | 1981-10-20 | E. I. Du Pont De Nemours & Co. | Method for measuring yarn shrinkage and crimp development |
US4566319A (en) * | 1982-04-09 | 1986-01-28 | Toray Industries, Inc. | Process and apparatus for measuring thermal shrinkage properties of yarn |
US4918914A (en) * | 1986-12-11 | 1990-04-24 | Rieter Scragg Limited | Yarn quality monitoring method and apparatus |
US20060144122A1 (en) * | 2004-11-26 | 2006-07-06 | Charlotte Murrells | Yarn snarling testing apparatus and method |
US20120144896A1 (en) * | 2009-08-12 | 2012-06-14 | Dow Global Technologies Llc | Apparatus to determine coefficient of friction |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3333467A (en) * | 1964-10-30 | 1967-08-01 | Eastman Kodak Co | Method and apparatus for evaluating crimp uniformity |
-
1972
- 1972-01-10 US US00216835A patent/US3762220A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3333467A (en) * | 1964-10-30 | 1967-08-01 | Eastman Kodak Co | Method and apparatus for evaluating crimp uniformity |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3899927A (en) * | 1972-11-04 | 1975-08-19 | Akzona Inc | Method and apparatus for the measurement of crimp contraction |
DE2617019A1 (en) * | 1976-04-17 | 1977-10-27 | Bayer Ag | Measuring crimping of moving fibre tow - using predetermined formula and drawing off tow at specified tension |
FR2434369A1 (en) * | 1978-08-23 | 1980-03-21 | Inst Textile De France | Textile thread length control process - controls speed of thread unwinding from reel using mechanical control and photo-resistive detector |
US4295252A (en) * | 1979-07-12 | 1981-10-20 | E. I. Du Pont De Nemours & Co. | Method for measuring yarn shrinkage and crimp development |
US4566319A (en) * | 1982-04-09 | 1986-01-28 | Toray Industries, Inc. | Process and apparatus for measuring thermal shrinkage properties of yarn |
US4918914A (en) * | 1986-12-11 | 1990-04-24 | Rieter Scragg Limited | Yarn quality monitoring method and apparatus |
US20060144122A1 (en) * | 2004-11-26 | 2006-07-06 | Charlotte Murrells | Yarn snarling testing apparatus and method |
US7219556B2 (en) * | 2004-11-26 | 2007-05-22 | The Hong Kong Polytechnic University | Yarn snarling testing apparatus and method |
US20120144896A1 (en) * | 2009-08-12 | 2012-06-14 | Dow Global Technologies Llc | Apparatus to determine coefficient of friction |
Also Published As
Publication number | Publication date |
---|---|
US3762220B1 (en) | 1987-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
RR | Request for reexamination filed |
Effective date: 19850124 |
|
AS | Assignment |
Owner name: BASF CORPORATION A CORP. OF DE. Free format text: CHANGE OF NAME;ASSIGNORS:BADISCHE CORPORATION, A CORP. OF DE.;BASF SYSTEMS CORPORATION A CORP. OF DE.;GLASURIT AMERICA, INC. A CORP. OF DE.;AND OTHERS;REEL/FRAME:004568/0622 Effective date: 19851227 |
|
B1 | Reexamination certificate first reexamination | ||
AS | Assignment |
Owner name: MICRODYNAMICS CORPORATION, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BASF CORPORATION FIBERS DIVISION;REEL/FRAME:005136/0694 Effective date: 19890713 |
|
AS | Assignment |
Owner name: VISCEGLIA, DIEGO V., GEORGIA Free format text: SECURITY INTEREST;ASSIGNOR:MICRODYNAMICS CORP., A GA. CORP.;REEL/FRAME:005238/0657 Effective date: 19900111 |
|
AS | Assignment |
Owner name: QUALTEQ, INC. Free format text: SECURITY INTEREST;ASSIGNOR:MICRODYNAMICS CORPORATION;REEL/FRAME:005405/0289 Effective date: 19900525 |
|
CCB | Certificate of correction for reexamination |