DE1660601A1 - Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarns - Google Patents
Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarnsInfo
- Publication number
- DE1660601A1 DE1660601A1 DE1967S0108971 DES0108971A DE1660601A1 DE 1660601 A1 DE1660601 A1 DE 1660601A1 DE 1967S0108971 DE1967S0108971 DE 1967S0108971 DE S0108971 A DES0108971 A DE S0108971A DE 1660601 A1 DE1660601 A1 DE 1660601A1
- Authority
- DE
- Germany
- Prior art keywords
- yarns
- heating device
- treatment
- carrier plate
- false twist
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 229910001096 P alloy Inorganic materials 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- -1 can do this However Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
- D02J13/003—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one stationary surface, e.g. a plate
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- Y10T428/12847—Cr-base component
- Y10T428/12854—Next to Co-, Fe-, or Ni-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12944—Ni-base component
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
- Resistance Heating (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Laminated Bodies (AREA)
Description
Essen, den 20. März 1967 (28 429/Kle/th)Essen, March 20, 1967 (28 429 / Kle / th)
Patentanmeldung der Firma
EBNEST SCRAGG & SONS LIMITED
P.O. Box No. l6,
Sunderland Street,
MacQlesfield-Cheshire/England Patent registration of the company
EBNEST SCRAGG & SONS LIMITED
PO Box No. l6,
Sunderland Street,
MacQlesfield-Cheshire / England
Heizvorrichtung für die Wärmebehandlung von Garnen, insbesondere für Falschdrallvorrichtungen zur Behandlung von synthetischen Garnen.Heating device for the heat treatment of yarns, in particular for false twist devices for Treatment of synthetic yarn.
Derartige Heizvorrichtungen für die Wärmebehandlung von Garnen, insbesondere für Falschdrallvorrichtungen zur Behandlung von synthetischen Garnen sind in verschiedenen Ausführungsformen bekannt. In ihrem grundsätzlichen Aufbau bestehen derartige Heizvorrichtungen aus einer metallischen Trägerplatte aus gut wärmeleitendem Werkstoff, zumeist Kupfer, mit einer Kontaktauflage aus verschleißfesterem Werkstoff, zumeist Chrom oder Hartchrom. Tat-Such heating devices for the heat treatment of yarns, in particular for false twist devices for treatment of synthetic yarns are known in various embodiments. In their basic structure such heating devices consist of a metallic carrier plate made of a material that conducts heat well, mostly copper, with a contact layer made of more wear-resistant Material, mostly chrome or hard chrome. Did-
109824/1827109824/1827
sächlich benötigt man aufgrund dieser Wärmeleitung den gut wärmeleitenden Werkstoff, zumeist also Kupfer, um die meist über Heizspiralen elektrisch erzeugte Wärme an das Garn heranzubringen, welches im Kontakt über die Heizvorrichtung geführt wird und durch Wärmeleitung erhitzt wird. Dabei muß die Trägerplatte regelmäßig auch eine solche Stärke aufweisen, daß ihre Wärmekapazität verhältnismäßig groß ist, sodaß die Wärmeabfuhr, die entsteht, weil das zu behandelnde Garn über die Heizvorrichtung geführt wird, vergleichsweise klein ist. Gut wärmeleitende Werkstoffe wie Kupfer und dergl. besitzen jedoch regelmäßig nur geringe Festigkeit, insbesondere Verschleißfestigkeit, sodaß infolge des Wärmeüberganges durch Kontakt alsbald Verschleißerscheinungen in Form von unerwünschten Rillenbildungen und dergl. auftreten. Daher ist eine Kontaktauflage aus verschleißfesterem Werkstoff üblich und erforderlich. - Chromauflagen oder Hartchromauflagen, die man auf die metallische Trägerplatte aufbringt, werden regelmäßig mit Hilfe von Verchromungsbädern, d.h# elektrolytisch aufgebracht. Die Auflage ist daher nicht porenfrei. Das hat Nachteile. Einerseits treten erhebliche Schubspannungen zwischen der metallischen Trägerplatte und der Kontaktauflage infolge unterschiedlicher Wärmedehnung auf. Diese Schubspannungen führen unter Umständen bereits zu Ablösungstendenzen, darüberhinaus aber auch in die durch Schubspannungen beanspruchte Zone über die Poren chemische Substanzen, mit denen die zu behandelnden Garne ausgerüstet sind und die mit den Garnen auf die Kontaktauflage aufgetragen werden. Dabei handelt es sich vor allem um die in der Schmälze enthaltenen Fettsäuren. Das führt zu vorzeitigen Ablösungen der Kontaktauflage von der metallischen Trägerplatte, im Ergebnis also zu einer vorzeitigen Zerstörung.Because of this heat conduction, you actually need the A material that conducts heat well, mostly copper, to transfer the heat, which is usually generated electrically by heating coils, to the Bring yarn, which is guided in contact over the heating device and heated by conduction will. The carrier plate must regularly also have such a thickness that its heat capacity is proportionate is large, so that the heat dissipation that arises because the yarn to be treated over the heating device is performed is comparatively small. Materials that conduct heat well, such as copper and the like, however, regularly have only low strength, especially wear resistance, so that due to heat transfer through contact soon signs of wear in the form of undesired grooving and the like appear. thats why a contact pad made of more wear-resistant material is common and required. - chrome plating or hard chrome plating, which are applied to the metal carrier plate are regularly cleaned with the help of chrome-plating baths, i.e. # applied electrolytically. The edition is therefore not pore-free. That has its drawbacks. Kick on the one hand considerable shear stresses between the metallic carrier plate and the contact pad as a result of different Thermal expansion. These shear stresses may lead to already to separation tendencies, but also into the zone stressed by shear stresses the pores are chemical substances with which the yarns to be treated are equipped and those with the yarns the contact pad can be applied. That’s what it’s about mainly about the fatty acids contained in the lard. This leads to premature detachment of the contact pad from the metallic carrier plate, resulting in premature destruction.
10982Λ/182710982Λ / 1827
Nicht unerheblichen Anteil an den auftretenden Schubspannungen und den damit einhergehenden Zerstörungserscheinungen hat die intermittierende Beheizung derartiger Heizvorrichtungen im Betrieb, da zur Reinigung der Kontaktauflage von Rückständen des Garnes und der Schmälze diese Heizvorrichtungen von Zeit zu Zeit ausgeschaltet, also abgekühlt*werden· Diese Temperaturschwankungen begünstigen naturgemäß das Auftreten schwankender Schubspannungen an der Grenzfläche zwischen Trägerplatte und Kontaktauflage und damit das Entstehen feiner Risse in der Kontaktauflage, durch welche die Schmälze in verstärktem Maße bis zu dieser Grenzfläche eindringen kann und in dieser Zone regelrechte elektrolytische Korrosionszellen entstehen, in denen die Schmälze oder das Textilöl als Elektrolyt wirkt.The intermittent heating of this type of material has a not inconsiderable part of the shear stresses that occur and the associated signs of destruction Heating devices in operation, as for cleaning the contact surface of residues of the yarn and the Schmälze these heating devices switched off from time to time, ie cooled down * These temperature fluctuations naturally favor the occurrence of fluctuating shear stresses at the interface between the carrier plate and contact pad and thus the emergence of finer Cracks in the contact surface through which the lip in to a greater extent penetrate up to this interface can and in this zone veritable electrolytic corrosion cells arise in which the sludge or the textile oil acts as an electrolyte.
Der Erfindung liegt die Aufgabe zugrunde, anzugeben, wie eine Heizvorrichtung der eingangs beschriebenen Art zu gestalten ist, damit vorzeitige Zerstörungen der Heizvorrichtung infolge Ablösung der Kontaktauflage von der metallischen Trägerplatte nicht mehr auftreten.The invention is based on the object of specifying how a heating device of the type described at the outset is to be used is designed so that premature destruction of the heating device as a result of the contact pad becoming detached from the metallic carrier plate no longer occur.
Die Erfindung betrifft daher eine Heizvorrichtung für die wärmebehandlung von Garnen, insbesondere für Falschdrallvorrichtungen zur Behandlung von synthetischen Garnen, bestehend aus einer metallischen Trägerplatte aus gut wärmeleitendem Werkstoff, insbesondere Kupfer, und einer Kontaktauflage aus verschleißfesterem Werkstoff.The invention therefore relates to a heating device for the heat treatment of yarns, especially for false twist devices for the treatment of synthetic yarns, consisting of a metallic carrier plate Good heat-conducting material, especially copper, and a contact pad made of more wear-resistant material.
Sie ist dadurch gekennzeichnet, daß die Auflage aus einer porenfreien (oder sehr porenarmen), gegenüber der Schmälze unempfindlichen metallischen Schicht besteht.It is characterized in that the support consists of a pore-free (or very low-pore) opposite the sludge insensitive metallic layer.
109824/1827109824/1827
Insbesondere schlägt die Erfindung vor, daß die Auflage aus Nickel oder einer Nickellegierung besteht.In particular, the invention proposes that the support consists of nickel or a nickel alloy.
Als Nickellegierung hat sich insbesondere eine Nickel-Phosphor-Legierung bewährt, welche vorzugsweise nach dem bekannten Kanigen-Verfahren in überaus gleichmäßiger Stärke von etwa 0,025 mm elektrolytisch auf die Trägerplatte aufgetragen wird. Allerdings sind auch andere Beschichtungsverfahren möglich, wenn diese eine gleichmäßig starke festhaftende Beschichtung ermöglichen.A nickel-phosphorus alloy, in particular, has proven to be the nickel alloy proven, which preferably according to the known Kanigen method in an extremely uniform Thickness of about 0.025 mm electrolytically on the carrier plate is applied. However, other coating methods are also possible if these are uniform enable strong adherent coating.
Da der Unterschied zwischen der Wärmedehnung der kupfernen Trägerplatte und der Auflage aus Nickel oder einer Nickellegierung nicht so groß ist wie zwischen Kupfer und den bisher üblichen Chromauflagen, sind auch keine so starken Schubspannungen an der Grenzfläche zwischen der Trägerplatte und der Auflage zu befürchten wie bei den bisher üblichen Heizvorrichtunge. Dadurch lassen sich aber auch bemerkenswerter Weise, die vor allem bei in Längsrichtung gerillten oder gewellten Heizplatten gerade in diesen Rillen besonders stark auftretenden Spannungen vermeiden. Infolge der porenfreien oder zumindest sehr porenarmen Struktur der Nickelauflage, die ihrerseits gegenüber den Fettsäuren der Schmälze unempfindlich ist, können diese Fettsäuren aber auch nicht mehr wie bei der bisher üblichen porösen Chromauflage bis zur kupfernen Trägerplatte vordringen und diese zerstören bezw. die Auflage von der Trägerplatte lösen.Because the difference between the thermal expansion of the copper carrier plate and the coating made of nickel or a nickel alloy is not as big as between copper and the usual chrome plating, are not as strong either Shear stresses at the interface between the carrier plate and the edition to be feared as with the previously common heating devices. But this can also It is remarkable, especially in the case of longitudinally grooved or corrugated heating plates, especially in these Avoid grooves that are particularly stressful. As a result of the pore-free or at least very few pores The structure of the nickel plating, which in turn is insensitive to the fatty acids in the sludge, can do this However, fatty acids no longer penetrate to the copper carrier plate as they did with the porous chrome plating that was customary up to now and destroy these respectively. detach the support from the carrier plate.
Eine genauere Erläuterung der Erfindung ergibt sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der beiliegenden Zeichnung; es zeigen;A more detailed explanation of the invention emerges from the following description of an exemplary embodiment with reference to the accompanying drawing; show it;
109824/1827109824/1827
Figur 1 eine Draufsicht auf eine erfindungsgemäße Heizvorrichtung; undFigure 1 is a plan view of an inventive Heater; and
Figur 2 einen Schnitt durch Figur 1 längs der Linie A-A.FIG. 2 shows a section through FIG. 1 along the line A-A.
Die dargestellte Heizvorrichtung, d.h. insbesondere die durch nicht dargestellte Heizspiralen oder dergl. von unten her (Fig. 2) beheizbare Heizplatte H besteht aus einer streifenförmigen Trägerplatte 1, auf welche eine Auflage 2 aus Nickel oder einer geeigneten Nickellegierung aufgetragen ist. Diese Heizplatte weist zwei in Längsrichtung, d.h. in Laufrichtung des zu behandelnden Garnes verlaufende Rillen 4 auf, in denen das Garn über die Heizplatte hinwegläuft. Zur Befestigung der Heizplatte auf einem die Heizorgane aufnehmenden Gehäuse sind an den Längsseiten der Platte H Laschen 5 vorgesehen. Die durch die erfindungsgemäße Ausbildung einwandfrei gegen jegliche Zerstörung geschützte Grenzfläche zwischen der Trägerplatte 1 und der Auflage 2 ist mit dem Bezugszeichen 3 angedeutet.The heating device shown, i.e. in particular that by heating coils (not shown) or the like below (Fig. 2) heatable heating plate H consists of a strip-shaped carrier plate 1 on which a Support 2 made of nickel or a suitable nickel alloy is applied. This heating plate has two in the longitudinal direction, i.e. in the running direction of the one to be treated Yarn running grooves 4 in which the yarn runs over the heating plate. For fastening the heating plate On a housing receiving the heating elements, tabs 5 are provided on the longitudinal sides of the plate H. By the inventive design perfectly protected against any destruction interface between the carrier plate 1 and the support 2 is indicated by the reference number 3.
Die kupferne Trägerplatte 1 kann wie allgemein üblich aus Gründen der Wärmespeicherung 5 - 6,5 mm stark sein, Jedoch sind bei der erfindungsgemäßen Ausbildung auch Kupferbleche in einer Stärke von nur etwa 0,5 mm verwendbar. The copper carrier plate 1 can as is generally customary be 5 - 6.5 mm thick for reasons of heat storage, However, in the training according to the invention, too Copper sheets with a thickness of only about 0.5 mm can be used.
Ansprüche;Expectations;
! b u B ι f. ! 1 S 2 7! bu B ι f.! 1 S 2 7
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB44805/65A GB1127008A (en) | 1966-03-22 | 1966-03-22 | Yarn heaters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1660601A1 true DE1660601A1 (en) | 1971-06-09 |
Family
ID=10434831
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1967S0108969 Pending DE1660549A1 (en) | 1966-03-22 | 1967-03-22 | Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarns |
| DE1967S0108971 Pending DE1660601A1 (en) | 1966-03-22 | 1967-03-22 | Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarns |
| DE1967S0108970 Pending DE1660550A1 (en) | 1966-03-22 | 1967-03-22 | Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarns |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1967S0108969 Pending DE1660549A1 (en) | 1966-03-22 | 1967-03-22 | Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarns |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1967S0108970 Pending DE1660550A1 (en) | 1966-03-22 | 1967-03-22 | Heating device for the heat treatment of yarns, in particular for false twist devices for the treatment of synthetic yarns |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3660051A (en) |
| DE (3) | DE1660549A1 (en) |
| GB (1) | GB1127008A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3911891A (en) * | 1973-08-13 | 1975-10-14 | Robert D Dowell | Coating for metal surfaces and method for application |
| GB1597645A (en) * | 1978-02-16 | 1981-09-09 | Monitor Coatings & Engs Ltd | Yarn heater track |
| AT522287A1 (en) | 2019-03-20 | 2020-10-15 | Blum Gmbh Julius | Lead management |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2891303A (en) * | 1957-04-29 | 1959-06-23 | Lindberg Eng Co | Electric furnace heating element |
| US2871550A (en) * | 1958-01-10 | 1959-02-03 | Udylite Res Corp | Composite chromium electroplate and method of making same |
| US3249478A (en) * | 1961-07-26 | 1966-05-03 | Chemical Milling Internat Corp | Process for producing a bimetallic structure by etching |
| US3249409A (en) * | 1963-01-23 | 1966-05-03 | Du Pont | Chromium plated metal structures |
| US3480411A (en) * | 1967-01-23 | 1969-11-25 | Olin Mathieson | Composite fin stock material |
-
1966
- 1966-03-22 GB GB44805/65A patent/GB1127008A/en not_active Expired
-
1967
- 1967-03-22 DE DE1967S0108969 patent/DE1660549A1/en active Pending
- 1967-03-22 DE DE1967S0108971 patent/DE1660601A1/en active Pending
- 1967-03-22 DE DE1967S0108970 patent/DE1660550A1/en active Pending
-
1969
- 1969-12-11 US US884387A patent/US3660051A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1127008A (en) | 1968-09-11 |
| DE1660550A1 (en) | 1971-06-24 |
| US3660051A (en) | 1972-05-02 |
| DE1660549A1 (en) | 1971-08-19 |
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