US3906562A - Heat treating apparatus and process - Google Patents

Heat treating apparatus and process Download PDF

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Publication number
US3906562A
US3906562A US326776A US32677673A US3906562A US 3906562 A US3906562 A US 3906562A US 326776 A US326776 A US 326776A US 32677673 A US32677673 A US 32677673A US 3906562 A US3906562 A US 3906562A
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US
United States
Prior art keywords
sheets
article
rollers
portions
pair
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Expired - Lifetime
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US326776A
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English (en)
Inventor
Ian Bruce Angliss
Geoffrey Bruce Guise
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Commonwealth Scientific and Industrial Research Organization CSIRO
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Commonwealth Scientific and Industrial Research Organization CSIRO
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00

Definitions

  • a method of heat treatingv an article comprising the steps of locating the article between adjacent faces of overlying portions of a pair of flexible imperforate sheets, moving said sheet portions together with the ar--- ticle as a unit through a heating zone, parts of one said sheet portion on each lateral side of the article being brought together in substantially fluid-tight engagement with corresponding parts of the other sheet portion, and maintaining said engagement during said movement.
  • the invention also provides a heat treating apparatus comprising a pair of flexible imperforate sheets, a heating device providing a heating zone and means for passing portions of the sheets in spaced overlying relationship through said zone with laterally spaced parts of said sheet portions brought together in substantially fluid-tight engagement whereby an article can be enclosed between said sheet portions and between the said parts thereof and thereby passed through the heating zone.
  • the sheets may consist of thin polyester plastics material although other material such as metal foil, could be utilised.
  • the invention also provides a dyeing process comprising the steps of impregnating an article with a liquid dye composition and thence passing the article through said heat treating apparatus to fix the dye on the article.
  • the apparatus may be incorporated in a dyeing apparatus including means for impregnating an article with a liquid dye composition and means for moving the article through the impregnating means and thence through said heat treating apparatus.
  • the sheets may be endless but this is not essential.
  • FIG. 1 is a partly diagrammatic, longitudinal crosssection of apparatus, constructed in accordance with the invention, for dyeing textile material, and
  • FIG. 2 is a cross-section on the line 22 in FIG, 1.
  • rollers l4 and are closely spaced to form a pair of pinch rollers which operate to press portions of sheets 17 and 18 passing there around into engagement, and rollers 30, 32 co-operate in an analogous manner.
  • the rollers aredisposed so that adjacent runs 36, 38 of the respective sheets l7, 18 between respective pairs of rollers 14, 30 and 20, 32 are straight and parallel. This condition is maintained by tensioning rollers 33, 34 which engage the respective sheets 17, 18.
  • Two electrical heaters 19 are disposed one above and one below runs 36, 38.
  • Marginal portions 17a, 17b (FIG. 2) of sheet 17, adjacent longitudinal edges thereof, are pressed into engagement with corresponding portions 18a, 18b of sheet-1 8 along the length of runs 36, 38. This is effected by means of resilient presser members 39, 40, 41, 42 extending lengthwise of the runs 36, 38. Presser member 40 is disposed above sheet 17 and bears against the upper face of,po:rtion 17a thereof, whilst presser member 39. is disposed-below sheet 18 and bears against the lower face of portion 18a.
  • Presser members 41, 42 are disposed tobear, in an analogous manner, against portions 17b, l 8 b.
  • the presser members may be formed, for example, of foamed plastics material and mounted onv beams (not shown) extending lengthwise of and above and below portions 17a, 17b and 18a, 18b of sheetsat dispositions along runs 36, 38.
  • Two cleaning devices 44, 46 are provided for cleaning the respective sheets 17, 18. These include cleaning baths 47, 48 respectively through which the sheets are passed, the sheets running over suitably positioned rollers 51, 52 to be directed into the baths 47, 48. Squeegees 54, 56 are arranged to contact opposite surfaces of the sheets to remove excess cleaning fluid in baths 47, 48,
  • Material 11 is treated continuously in the apparatus
  • the material 11 between sheets 17, 18 during heating the material is substantially completely enveloped and moisture escape is minimal so that even dyeing is achieved. Also, because the moisture in material 11 is contained between the sheets there is some build up of pressure between the sheets and fixing is thus accomplished under a slightly elevated presssurewhich is advantageous to the fixing process.
  • the cleaning devices 44, 46 ensure that dye adhering to sheets 17, 18 as they leave rollers 30, 32 is removed to prevent contamination of freshly in-fed material ll.
  • sheets 17, 18 are, in the described apparatus, in the form of endless loops the sheets could, alternatively, be in the form of long lengths of material.
  • lengths of sheeting could be wound off two rolls at the input end of the apparatus, fed between rollers 14 and with the material to be treated therebetween, and taken from the apparatus after leaving rollers 30, 32 to be wound upon separate take-up rollers.
  • cleaning of the sheets need not be accomplished continuously as is the case in the described apparatus but could be accomplished, for example, in a separate apparatus arranged to clean used rolls of sheeting.
  • the preferred material for the sheets l7, 18 is a polyester plastics material, preferably having a thickness in the range 9 to 23 microns. Good results have been achieved using material sold under the trade name M'ELINEX and of thickness 12 microns. Whatever material is used for the sheets 17, 18, it should, of course, be capable of withstanding the relatively high temperatures occurring in the heating operation and not be such as to contaminate articles to be treated.
  • the apparatus may also be varied by varying the method of maintenance of sealing of sheets 17, 18 along runs 36, 38.
  • sealing could, as an altemative to the use of presser members 39-42, be effected by coating the marginal portions of the sheets with suitable adherent material.
  • presser members they may, themselves, be resiliently biased towards the edges of the sheets by use of suitable springs instead of being fixed as in the described construction.
  • Sealing could also be obtained by forming the sheets with complimentary tongue and groove seals towards the edges thereof.
  • a method of dyeing an article comprising the steps of applying dye to the article and subsequently fixing the dye by heat treatment comprising the steps of:
  • said sheets being formed of polyester film whereby said parts of said facing surfaces of said sheet portions are maintained in said substantially fluid-tight engagement by self-adhesion of the sheets; said sheet portions being substantially unconstrained between said parts thereof during passage through said heating zone, against outward deformation otherwise than by virtue of resilience of that sheet portion.
  • a method as claimed in claim 2 wherein movement of the overlying sheet portions and the article through the heating zone comprises passage of said sheets between said first pair of rollers and thence through a second pair of rollers spaced from said first pair and extending transversely of said sheets whereby said portions are defined by sections of the sheets disposed in runs of said sheets extending between the two pairs of rollers.
  • polyester film is of thickness in the range 9 to 23 microns.
  • Article dyeing apparatus including dye impregnating means and heat treating means, said heat treating means comprising a pair of flexible imperforate sheets of polyester film, a heating device providing a heating zone, sheet transport means for passing portions of the sheets in spaced overlying relationship through said zone, and engagement means for bringing laterally spaced parts of one of said sheet portions into engagement with corresponding laterally spaced parts of the other of said sheet portions such that said portions are maintained in substantially fluid-tight engagement at said parts thereof at least partly by self-adhesion of said parts while a first of said sheet portions is externally substantially unconstrained, over a section thereof between the said parts thereof, against outward deformation other than being constrained because of resilience of that sheet portion, whereby an article can be enclosed between said sheet portions and located between said parts thereof to be thereby passed through said heating zone as the sheets are passed through said heating zone to fix dye applied to said article by said dye impregnating means.
  • said engagement means includes a first pair of rollers extending transversely to the direction of said movement, said sheets passing a separate one about each of the rollers of said pair.
  • Article dyeing apparatus as claimed in claim 10 including a second pair of rollers extending transversely of said direction of movement, said sheets extending one about each of the rollers of said second pair and between these, said first and second pairs of rollers being positioned so that said portions are defined by runs of said sheets extending between the two pairs of rollers.
  • Article dyeing apparatus as claimed in claim 12 including means for cleaning at least the surfaces of said sheets which face each other over said runs.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US326776A 1972-02-03 1973-01-26 Heat treating apparatus and process Expired - Lifetime US3906562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA785172 1972-02-03

Publications (1)

Publication Number Publication Date
US3906562A true US3906562A (en) 1975-09-23

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US326776A Expired - Lifetime US3906562A (en) 1972-02-03 1973-01-26 Heat treating apparatus and process

Country Status (8)

Country Link
US (1) US3906562A (es)
JP (1) JPS4891311A (es)
CH (3) CH153673A4 (es)
DE (1) DE2305263A1 (es)
ES (2) ES411210A1 (es)
FR (1) FR2170762A5 (es)
GB (1) GB1412031A (es)
IT (1) IT978809B (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242566A (en) * 1980-03-21 1980-12-30 Pitney Bowes Inc. Heat-pressure fusing device
CN103556425A (zh) * 2013-11-06 2014-02-05 中国纺织科学研究院 高温热定型设备

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1258690A (en) * 1917-06-01 1918-03-12 Harry Leech La Fetra Washing-machine.
US1980000A (en) * 1933-02-13 1934-11-06 George E Ryan Oil press
US2459295A (en) * 1944-05-06 1949-01-18 Per F Skoog Apparatus for the flow manufacture of sheet material
US2792700A (en) * 1952-12-08 1957-05-21 Dominion Textile Co Ltd Apparatus for the continuous treatment of textile materials
US2986911A (en) * 1958-04-14 1961-06-06 Chemstrand Corp Pressure sealing device
US3084448A (en) * 1958-10-22 1963-04-09 Dungler Julien Thermal treatments at high pressure
US3098260A (en) * 1962-02-08 1963-07-23 Monsanto Chemicals Annealing apparatus
US3585696A (en) * 1967-05-22 1971-06-22 Aronoff Edward Israel Apparatus for stabilizing knitted tubular fabrics
US3652816A (en) * 1970-04-13 1972-03-28 Litton Business Systems Inc Self cleaning dielectric heater

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1258690A (en) * 1917-06-01 1918-03-12 Harry Leech La Fetra Washing-machine.
US1980000A (en) * 1933-02-13 1934-11-06 George E Ryan Oil press
US2459295A (en) * 1944-05-06 1949-01-18 Per F Skoog Apparatus for the flow manufacture of sheet material
US2792700A (en) * 1952-12-08 1957-05-21 Dominion Textile Co Ltd Apparatus for the continuous treatment of textile materials
US2986911A (en) * 1958-04-14 1961-06-06 Chemstrand Corp Pressure sealing device
US3084448A (en) * 1958-10-22 1963-04-09 Dungler Julien Thermal treatments at high pressure
US3098260A (en) * 1962-02-08 1963-07-23 Monsanto Chemicals Annealing apparatus
US3585696A (en) * 1967-05-22 1971-06-22 Aronoff Edward Israel Apparatus for stabilizing knitted tubular fabrics
US3652816A (en) * 1970-04-13 1972-03-28 Litton Business Systems Inc Self cleaning dielectric heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242566A (en) * 1980-03-21 1980-12-30 Pitney Bowes Inc. Heat-pressure fusing device
CN103556425A (zh) * 2013-11-06 2014-02-05 中国纺织科学研究院 高温热定型设备

Also Published As

Publication number Publication date
FR2170762A5 (es) 1973-09-14
ES411210A1 (es) 1976-04-16
ES417611A1 (es) 1976-07-01
DE2305263A1 (de) 1973-09-06
GB1412031A (en) 1975-10-29
CH153673A4 (es) 1974-12-13
IT978809B (it) 1974-09-20
CH557914A (fr) 1975-01-15
CH562903A (es) 1975-06-13
JPS4891311A (es) 1973-11-28

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