NO116763B - - Google Patents
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- Publication number
- NO116763B NO116763B NO159593A NO15959365A NO116763B NO 116763 B NO116763 B NO 116763B NO 159593 A NO159593 A NO 159593A NO 15959365 A NO15959365 A NO 15959365A NO 116763 B NO116763 B NO 116763B
- Authority
- NO
- Norway
- Prior art keywords
- abrasive
- bodies
- processing
- metal
- small
- Prior art date
Links
- 238000000227 grinding Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000008262 pumice Substances 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000003082 abrasive agent Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/082—Mounting arrangements for vessels for large sea-borne storage vessels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/025—Bulk storage in barges or on ships
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0123—Mounting arrangements characterised by number of vessels
- F17C2205/013—Two or more vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
-
- 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
- Y10S220/00—Receptacles
- Y10S220/901—Liquified gas content, cryogenic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
Fremgangsmåte til å fjerne grat og til å slipe. Deburring and grinding procedure.
Det kjennes fremgangsmåter ved hvilke Methods are known by which
masseart ikler, spesielt slike som er fått ved stansning, trekking og dreining, blir befridd for grat og slipt i roterende beholdere. Fjer-nelsen av grat og slipningen besørges enten av arbeidsstykkene selv, eller for å'oppnå et hurtigere resultat tilsettes det slipemidler. Eksempelvis har man fjernet grat ved hjelp av sand og vann. Gode resultater har man fått ved å anvende et glidemiddel sammen med et slipemiddel av sand, smergel, korund (alun-dum) eller karborundum. Av andre slipemidler som tilsettes med forskjellig grad av hårdhet, skarphet og partikkelstørrelse, kan nevnes pimpsten, kalksten, granitt, glasskår, silex, slagger o.s.v. Glidemidlene har fremfor alt den oppgave å hindre for sterk fjernelse av metall på andre steder av arbeidsstykkene, slik at bare gråten blir utsatt for et sterkt angrep. pulps, especially those obtained by punching, drawing and turning, are freed from burrs and ground in rotating containers. The removal of burrs and the grinding is either carried out by the workpieces themselves, or to achieve a faster result, abrasives are added. For example, burrs have been removed using sand and water. Good results have been obtained by using a lubricant together with an abrasive of sand, emery, corundum (alum-dum) or carborundum. Of other abrasives that are added with different degrees of hardness, sharpness and particle size, pumice, limestone, granite, glass shards, silex, slag etc. can be mentioned. The lubricants have above all the task of preventing too strong removal of metal in other places of the workpieces, so that only the tear is exposed to a strong attack.
Disse fremgangsmåter, som utføres tørt These procedures, which are carried out dry
eller vått, duer imidlertid ikke hvis det f. eks. skal behandles arbeidsstykker som har liten vekt, eksempelvis tynne og små metallplater, som kleber sammen i et flytende medium eller på grunn av sin lille vekt holdes oppe i beholderen av væsken eller skum av væsken som oppstår på grunn av tilsatte såper eller andre skumdannende midler. Ytterligere kommer til, at på grunn av vekten av slipe-midlene blir gjenstandene deformert under bearbeidelsen, og blir derved ubrukelige. or wet, however, will not do if it e.g. must be processed workpieces that have a small weight, for example thin and small metal plates, which stick together in a liquid medium or, because of their small weight, are held up in the container by the liquid or foam from the liquid that occurs due to added soaps or other foaming agents. Furthermore, due to the weight of the abrasives, the objects are deformed during processing, and thereby become unusable.
Det er allerede kjent å fremstille be- og It is already known to produce be- and
forarbeidelseslegemer for overflatebehandling av massegods i roterende tromler av mere eller mindre fine eller kornete slipe-, pole-rings- eller overtrekksmidler, derved at man på i og for seg kjent måte blander dem med processing bodies for the surface treatment of mass goods in rotating drums of more or less fine or granular abrasive, polishing or coating agents, thereby mixing them in a manner known per se with
binde- og/eller oppløsningsmidler, former dem til ujevne, fortrinnsvis kule- eller tab-lettformige legemer og brenner disse, eller fremstiller bærelegemene, eksempelvis natur-lige eller kunstige harpikser, på annen måte. Tynne og små metallplater eller lameller kan ikke behandles med slike legemer. binders and/or solvents, forms them into uneven, preferably spherical or tablet-shaped bodies and burns them, or produces the support bodies, for example natural or artificial resins, in another way. Thin and small metal plates or lamellae cannot be treated with such bodies.
Ansøkerne har overraskende funnet at slike arbeidsstykker, eksempelvis kjerneblikk av dynamoblikk for småmotorers ankere, som ved stansning har fått en grat som må fjer-nes før sammenbygningen, av isolasjonsgrun-ner, med fordel kan behandles i et kornet middel som har liten spesifikk vekt, fortrinnsvis omkring 1. Midlets kornstørrelse retter seg etter de arbeidsstykker som skal behandles og man velger den fortrinnsvis slik at det er lett å skille disse arbeidsstykker fra slipemidlet ad mekanisk vei, f. eks. ved siktning. Midlet må imidlertid ikke være så finkornet at det under rotasjonen av beholderen, i hvilken behandlingen foregår, ikke lenger rutsjer og klemmer mot arbeidsstykkene. The applicants have surprisingly found that such workpieces, for example core tin of dynamo tin for small engine armatures, which have received a burr during punching which must be removed before assembly, for insulation reasons, can be advantageously treated in a granular agent which has a low specific weight, preferably around 1. The grain size of the agent depends on the workpieces to be treated and it is preferably chosen so that it is easy to separate these workpieces from the abrasive by mechanical means, e.g. when sifting. However, the agent must not be so finely grained that during the rotation of the container, in which the treatment takes place, it no longer slides and squeezes against the workpieces.
Midlet, eksempelvis kornet, naturlig eller syntetisk pimpsten, har allerede en til dets natur svarende slipevirkning. For å forhøye slipevirkningen og derved oppnå mer intens bearbeidelse, blir det kornete slipemiddel, eksempeJvis pimpsten, på overflaten impregnert med et aggresivt, fint slipemiddel, eksempelvis korund. Denne impregnering lettes av pimpstenpartiklenes porøse natur, og kan skje tørt eller også vått med etterfølgende tørk-ning. The agent, for example grainy, natural or synthetic pumice, already has an abrasive effect corresponding to its nature. In order to increase the grinding effect and thereby achieve more intense processing, the granular abrasive, for example pumice, is impregnated on the surface with an aggressive, fine abrasive, for example corundum. This impregnation is facilitated by the porous nature of the pumice particles, and can be done dry or wet with subsequent drying.
Som andre brukbare slipemidler kan nevnes kornet skumbetong i hvis overflate det ved impregnering er blitt innført finere slipemidler, eksempelvis korund. Other usable abrasives include granular foamed concrete in the surface of which, by impregnation, finer abrasives have been introduced, for example corundum.
Ved hjelp av med korund impregnert, kornet pimpsten ble eksempelvis metallplater av ca. 0,1 mm tykkelse og 10 mm diameter befridd for grat; maskinell fjernelse av grat på slike plater har hittil ikke vært mulig. 5$e-arbeidelsestiden retter seg etter størrelsen av gråten og av den benyttede slipemiddelkom-størrelse. Using corundum-impregnated, grained pumice, for example, metal sheets of approx. 0.1 mm thickness and 10 mm diameter freed from burrs; mechanical removal of burr on such plates has not been possible until now. The 5$e working time depends on the size of the tear and on the abrasive grain size used.
De bearbeidelseslegemer som anvendes ved fremgangsmåten i henhold til oppfin-nelsen gjør det mulig å slipe og å polere virk-somt i en eneste arbeidsgang. Ved slipeopera-sjonen slites de eksempelvis av pimpsten be-stående bærelegemer, i hvilke korund eller annet kort slipemiddel er innleiret i overflaten, og de avrundes også av den bare inn-leirede korund, slik at overflaten av disse bearbeidelseslegemer etterhvert får en stadig svakere slipevirkning. Litt etter litt går altså slipevirkningen over til en poleringsvirkning, slik at de samme legemer først virker sli-pende og deretter polerende. Dette er særlig fordelaktig da det er spesielle vanskeligheter forbundet med å skille de små, tynne masse-gjenstander fra bearbeidelseslegemene. Det er derfor av særlig betydning at en slik adskil-lelse ikke behøver å foretas først ved slipningen og deretter ennu en gang ved poleringen, som tilfelle ville være hvis man til disse ope-rasjoner måtte anvende forskjellige bearbeidelseslegemer. Dessuten har slitasjen på bearbeidelseslegemene til følge at de mindre og avrundete deler lettere kan skilles fra gjenstandene som behandles enn de opprinnelig méd slipemidlet overflateimpregnerte bearbeidelseslegemer. De slitte legemer er vesentlig lettere å fraskille, f. eks. ved hjelp av meka-niske sikter eller vindsiktning. Da fremstil-ling av med slipemidler overflateimpregnerte bearbeidelseslegemer ikke byr på noen van-skelighet og de oppnådde resultater på gjen-stander som skal behandles, spesielt smått, tynnvegget bearbeidelsesgods, ikke er så øko-nomisk ved massebehandling på annen måte, utgjør slitasjen på behandlingslegemene under behandlingen ingen ulempe i sammenlig-ning med de kjente fremgansmåter. The processing bodies used in the method according to the invention make it possible to grind and polish effectively in a single work step. During the grinding operation, for example, support bodies consisting of pumice, in which corundum or other short abrasive is embedded in the surface, are worn, and they are also rounded off by the embedded corundum only, so that the surface of these processing bodies eventually has an increasingly weaker abrasive effect . Little by little, therefore, the grinding effect turns into a polishing effect, so that the same bodies first have an abrasive and then a polishing effect. This is particularly advantageous as there are particular difficulties associated with separating the small, thin pulp objects from the processing bodies. It is therefore of particular importance that such a separation does not need to be carried out first during the grinding and then once again during the polishing, as would be the case if different processing bodies had to be used for these operations. In addition, the wear on the processing bodies has the effect that the smaller and rounded parts can be more easily separated from the objects being processed than the processing bodies originally surface-impregnated with the abrasive. The worn bodies are significantly easier to separate, e.g. by means of mechanical sieves or wind sieves. Since the production of abrasive surface-impregnated processing bodies does not present any difficulty and the results achieved on objects to be processed, especially small, thin-walled processing goods, are not so economical with pulp processing in other ways, the wear and tear on the processing bodies constitutes during the treatment no disadvantage in comparison with the known methods.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US394533A US3305122A (en) | 1964-09-04 | 1964-09-04 | Keyed cargo container |
Publications (1)
Publication Number | Publication Date |
---|---|
NO116763B true NO116763B (en) | 1969-05-19 |
Family
ID=23559353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO159593A NO116763B (en) | 1964-09-04 | 1965-09-03 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3305122A (en) |
DE (1) | DE1265172B (en) |
ES (1) | ES317131A1 (en) |
FR (1) | FR1459050A (en) |
GB (1) | GB1097147A (en) |
NL (1) | NL6511473A (en) |
NO (1) | NO116763B (en) |
SE (1) | SE320397B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3425583A (en) * | 1966-09-07 | 1969-02-04 | Mcmullen John J | Arrangement for keying liquefied gas storage tanks within a transport vessel |
US3495732A (en) * | 1967-07-28 | 1970-02-17 | Exxon Research Engineering Co | Insulated cryogenic tank |
CA943883A (en) * | 1970-10-14 | 1974-03-19 | Conch International Methane Limited | Containers for liquefied gases |
FR2311990A1 (en) * | 1975-05-22 | 1976-12-17 | Gaz Transport | MEANS OF TRANSPORT WITH SELF-SUPPORTING REVOLUTION TANK, IN PARTICULAR FOR THE TRANSPORT OF A LOW TEMPERATURE FLUID |
US4156492A (en) * | 1977-06-27 | 1979-05-29 | Lox Equipment Company | Vessel support apparatus |
CA2045232A1 (en) * | 1991-06-21 | 1992-12-22 | Johannes Alfred Beele | Vehicle/vessel |
NO332829B1 (en) * | 2009-10-29 | 2013-01-21 | Aker Engineering & Technology | Supports thoughts |
EP2697553B1 (en) * | 2011-04-14 | 2015-08-12 | Nordic Yards Wismar GmbH | Bearing arrangement on a self-supporting tank for cold or cryogenic liquids |
KR20150141982A (en) * | 2013-04-12 | 2015-12-21 | 노부요시 모리모토 | Lng carrier or lpg carrier |
DE102014203351B4 (en) * | 2014-02-25 | 2017-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Support for storage and thermal insulation of fluid tanks |
DE102021102749A1 (en) * | 2021-02-05 | 2022-08-11 | Deutsche Holzveredelung Schmeing GmbH & Co. KG | Bearing block and method of manufacture |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2614856A (en) * | 1950-05-04 | 1952-10-21 | Trailmobile Inc | Insulated tank vehicle |
US2823822A (en) * | 1955-10-10 | 1958-02-18 | Aro Equipment Corp | Vacuum bottle |
US2896416A (en) * | 1957-08-05 | 1959-07-28 | Constock Int Methane Ltd | Means for the transportation and storage of cold boiling liquefied hydrocarbon gas |
US2905352A (en) * | 1958-06-24 | 1959-09-22 | Constock Int Methane Ltd | Storage tank and means for support of same |
FR1230091A (en) * | 1959-06-02 | 1960-09-13 | Anciens Chantiers Dubigeon Sa | Procedures for ensuring the installation on board a ship of tanks containing liquefied hydrocarbons at low temperature |
DE1111050B (en) * | 1959-09-05 | 1961-07-13 | Kieler Howaldtswerke Ag | Storage of containers for the transport of liquid gases in the insulated hold of a ship |
NL267430A (en) * | 1960-08-03 | |||
US3064612A (en) * | 1960-10-20 | 1962-11-20 | Maryland Shipbuilding And Dryd | Carrier constructions for bulk fluids |
FR1317676A (en) * | 1961-03-16 | 1963-05-10 |
-
1964
- 1964-09-04 US US394533A patent/US3305122A/en not_active Expired - Lifetime
-
1965
- 1965-08-27 GB GB36906/65A patent/GB1097147A/en not_active Expired
- 1965-08-28 DE DEE29991A patent/DE1265172B/en active Pending
- 1965-09-02 NL NL6511473A patent/NL6511473A/xx unknown
- 1965-09-03 NO NO159593A patent/NO116763B/no unknown
- 1965-09-03 FR FR30352A patent/FR1459050A/en not_active Expired
- 1965-09-03 SE SE11508/65D patent/SE320397B/xx unknown
- 1965-09-04 ES ES0317131A patent/ES317131A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1097147A (en) | 1967-12-29 |
ES317131A1 (en) | 1966-07-16 |
DE1265172B (en) | 1968-04-04 |
SE320397B (en) | 1970-02-09 |
FR1459050A (en) | 1966-04-29 |
NL6511473A (en) | 1966-03-07 |
US3305122A (en) | 1967-02-21 |
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