Галерея 3188692

Галерея 3188692
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Whirlpool Range Door Vent Trim - Black Part # 3188692
“ Used from a working appliance, basic cleaning and tested, guaranteed to work, comes with no worry ” ... Подробнее Подробнее o состоянии товара
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Находится в: Stockton, California, США
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Азербайджан, Армения, Афганистан, Бангладеш, Бахрейн, Бермуды, Бруней-Даруссалам, Бутан, Вьетнам, Гонконг, Гренландия, Грузия, Израиль, Индия, Индонезия, Иордания, Ирак, Йемен, Казахстан, Камбоджа, Канада, Катар, Киргизия, Китай, Кувейт, Лаос, Ливан, Макао, Малайзия, Мальдивы, Мексика, Монголия, Непал, Объединенные Арабские Эмираты, Оман, Пакистан, США, Саудовская Аравия, Сент-Пьер и Микелон, Сингапур, Таджикистан, Таиланд, Тайвань, Туркменистан, Турция, Узбекистан, Филиппины, Шри-Ланка, Южная Корея, Япония
Аляска/Гавайи, Африка, Барбадос, Венесуэла, Гваделупа, Европа, Ливия, Мартиника, Новая Каледония, Океания, Отделение Почтовой службы Вооруженных сил США, Протектораты США, Реюньон, Российская Федерация, Украина, Французская Гвиана, Французская Полинезия, Центральная Америка и Карибы, Южная Америка
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Налог с продаж за товар № 155381269409
Налог с продаж за товар № 155381269409
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e***8 (257) - Отзыв, оставленный покупателем e***8 (257).
great used part,but much better than brand new replacement part,Best seller!!!!
o***s (89) - Отзыв, оставленный покупателем o***s (89).
Thank you for the fast shipment and communication
l***l (11) - Отзыв, оставленный покупателем l***l (11).
Me funciono para mi nevera kenmore el cable era más pequeño pero se lo cambié
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MOLD Filed Jan. 25, 1963 INVENTOR BY g g upper marginal portion has a United States Patent Ofilice 3,188,692 Patented June 15, 1965 3,188,692 MDLD Franz Felix Traeger, Hannover, Germany, assignor to Continental Gummi-Werke Aktiengesellschaft, Hannover, Germany Filed Jan. 25, 1963, Ser. No. 253,950 3 Claims. (Cl. 18-42) The present invention relates to a mold, especially a mold for casting hollow thin walled bodies of rubberlike material with the thin Walls of such hollow bodies substantially parallel to the longitudinal axis thereof. The present invention is in particular directed to molds for use in connection with the casting of thin-walled hollow cylindrical bodies from which by cutting or the like endless thin-walled transmission belts are produced which may also be provided with teeth.
When making thin-walled hollow bodies of the above mentioned type, difficulties are encountered when the cast body is to be removed from the mold. Inasmuch as a hollow cylindrical body has necessarily to be molded in a mold chamber between an outer mold section and an inner mandrel or core-like mold section, a removal of the molded body can be effected only by separating the outer mold section from the inner mold section or vice versa. Customarily, the mold is so designed that when removing the inner mold section, the cast hollow cylindrical body remains on the inner mold section. This is particularly the case when the molded hollow cylinder is provided with reinforcing inserts as for instance pull resistant strands, which prior to the casting operation have been assembled on and wound around the inner mold section. When subsequently after completion of the casting operation, the hollow body is removed from the inner mold section, there exists the danger of damaging the cast body. This danger is particularly great when the Walls of the cast body are very thin.
It is, therefore, an object of the present invention to provide a mold which will overcome the above mentioned drawbacks.
It is another object of this invention to design the outer mold section in such a Way that a damaging of the cast body during the removal thereof from the outer mold section will be eliminated or at least reduced to a minimum.
These and other objects and advantages of the invention will appear more clearly from the following specification in connection with the accompanying drawing, in
FIG. 1 is a longitudinal section through a mold according to the present invention for casting thin-walled cylindrical bodies of a castable material similar to rubber as for instance polyurethane.
FIG. 2 shows half of a top view of the mold according to FIG. 1.
The mold according to the present invention is characterized primarily in that the outer mold section, near its circumferential groove on its inner surface which groove has a depth preferably equalling at least the width of the castable material receiving chamber of the mold, or expressed differently a depth which preferably corresponds at least to the wall thickness of the cast product.
The said groove brings about that when casting the hollow body, the said groove will fill with the castable or pourable material in such a way that after consolidation of the castable material, the cast body will have its upper marginal portion provided with an outwardly extending bead-like reinforcement which preferably, when further processing or machining the hollow body, may be removed.
In view of the said circumferential groove and the reinforcement obtained thereby of the cast body, a positive connection of the cast body with the outer mold section will be obtained at the upper marginal portion of the mold or molded body. This reinforcement permits withdrawal of the inner mold section without damage to the cast body after the cast body has solidified. Subsequently, a simple lifting out of the cast body from the outer mold section will be possible. This will be particularly the case when that portion of the outer mold section which is provided with the circumferential groove is detachably connected to the remainder of the outer mold section. If thus the inner mold section has been withdrawn and if furthermore the said detachable portion of the outer mold section is detached from the latter, the cast body can easily be grasped at the upper head or reinforced section of the molded body and be totally withdrawn from the outer mold section.
Referring now to the drawing in detail, the mold illustrated therein comprises an outer mold section 1 and a guiding mandrel 2 arranged within and in radially spaced relation to said mold section 1. The mold furthermore comprises an inner mold section or core 3 arranged within said outer mold section 1 in radially spaced relationship therein and mounted on and supported by said mandrel 2. In this way, the outer mold section 1 together with the inner mold section 3 and a mold bottom 8 confine the mold chamber 4, said inner and outer mold sections 1 and 3 resting on conical surfaces 8 and 8" respectively, while the mandrel 2 may be connected to the bottom 8 in any convenient manner, for instance by welding. The mold chamber 4 will, of course, receive the castable material for forming the hollow cylinder to be produced.
Mounted on the upper end face of the outer mold section 1 is a ring member 6 provided with a handle 5. The outer mold section 1 has screwed into its flange 1a a bolt 9 the upper portion of which is easily detachably engaged by a cutout 10 in the ring member 6. This ring member 6 has a recess 6a in its bore 617. This recess 6a together wih the adjacent end face of the outer mold section 1 forms a circumferential groove 7, the lower lateral surface 7' of said groove forming the separating plane between the outer mold section 1 and the ring member 6. Thus, when all of the members of the mold are in assembled condition as shown in FIG. 1 and the castable material is poured into chamber 4 in customary manner, a hollow cylindrical body will be formed which at the upper end thereof will be provided with a marginal bead or reinforcement corresponding to the shape of the circumferential groove 7. After the casting operation has been completed and the cast body has solidified, first core 3 is pulley out of the inner mold section 1. The molded body, which may have a wall thickness of, for instance 0.8 millimeter, cannot follow this withdrawal movement of core 3 because it will be prevented from so doing by the bead or flange at its upper end since ring member 6 is still in its assembled and locked position.
Thereupon, ring member 6 by means of handle 5 is rotated in corresponding direction (in counter-clockwise direction with regard to FIG. 2) and is lifted off outer mold section 1 so that the said bead or flange of the cast body will be free. The cast body will then be grasped at said bead portion and can easily be lifted out of the outer mold section 1.
The cast body which, if the inner mold section 3 and outer mold section 1 are correspondingly designed, may be profiled at its inner and/or outer surface, for instance, be provided with teeth, will then be cut into individual rings or belts at which occasion also the bead corresponding to the circumferential grooves 7 will be removed.
n .desired,'the as body may also be provided with reinforcing inserts as for instance with wire strands extending in circumferential direction of the cast body.
Such inserts are, of course, prior to the casting operation and prior to the insertion of the inner mold section into the outer mold section wound around said" inner mold section. Y
The mold according to the. present invention may also 7 be employed for producing sleeves and cuffs and also such hollow bodies which have a relatively thin wall parallel to the longitudinal axis of the body. -With .p'r'oductsof this type, it is not necessary to cut the cast body into individual rings. Furthermore, with at least some of such bodies the marginal'reinforcement' or'bead may remain on the finished product. I g
It is, of course, to be understood that thepresent invention is, by no means, limited to the particular construction shown in the drawing but also comprises any modificationswithinthe scope of the appended claims. Thus, if desired, the single circumferential groove shown in the drawing may also be replaced by ,one or more re'-,
cesses. When providing a plurality-of recesses or depressions, it is advantageous to distribute the same over the circumference of'the mold;
1. A mold for casting a hollow cylindrical thin walled body which comprises: bottom 'wall means, outer Wall means having an axial cylindrical bore and being sup ported by said bottom wall means, inner wall means arranged within and in radially spaced relationship to said outer 'wall means and supported by said bottom wallmeans, said inner wall means being .withdrawable from said outer wall means and togetherwith said outer wall means andsa-id bottom wall means confining an annular chamber forreceiving castable-materi'al, said outer wall means comprising a first member forming the major portion of said outer wall means and being provided with radially outwardly extending flange means, bolt means mounted in said flange means and provided with a head 4;
spaced from said flange means in a'direction away-from said bottom wallmeans, said outer wall means also come prising a second wallmember detachabl-y mounted on that end face of said first wall member which is remote from said bottom wall means, said second member be- 1 ing provided with slot means registering with said "bolt means and having a'first portion larger in diameter than the head of said bolt means, and also having a second portion narrower than the head of said bolt means whereby said second member when rotated into a firstposition is lockable to said first member and when rotated into a, second position is detachable from said. first rnernber,
getherwith said ,outer'wall rneans and said bottom wall means confining an annular chamberfor receiving castable material, said outer Wall means comprising a first wall member forming the major portion of said outer wall 'means and also comp'rising' a second wall member detachably mounted on that end face of said first wall memberwhich is remote from said bottom wall means, said second wall member having a central bore.v forming a part'of said axial cylindrical bore of said outer wall means, that inner peripheral surface of said second wall member which confines the central bore thereof being provided with cutout means which together with said end "face. form recess means communicating with said annularchamber, each of said first and second wall members forminga circumferentiallypermanently closed annular body, and means operatively connected to said first andv secondwall members and operable in response to a rotation thereor relative .to each other in one direction to interlock said firstand second wall members and 'in response to a rotation of said wall members relative to each other in the oppositedirection to permit remandrel and being supported by said bottom wall means,
said outer wallmeans being arranged in radially spaced relationship to said inner wall meansv so asto confine therewitlran annular chamber-for receiving'castable material, said outer wall means comp'rising a first member forming the major portion of said outer-wall means and also .comprising'a second member detachably mounted on thatend face of said first member which isremote from said bottom wall means, said second member having a central bore. forming apart'of said axial cylindrical bore said second member having cutout means confining with a the adjacent end face of said first member recess means communicating with the annular chamber between said first member and said inner wall means. g
2. A mold for easing a hollow cylindrical thin walled body which comprises: bottom wall means, outer wall means having an axial cylindrical bore and being sup-.
ported by said. bottom wall means, inner wall means arranged Within and in radially spaced relationship to said outer wall means and supported by saidbottom wall means, said inner wall means being withdrawable from said outer wall means in axial direction thereof and toof said outer. wall means'Qthat inner peripheral surface of said secondimember'which confines the central'bore thereofbeing provided with cutout means which together with said' end" face form recess means communicating 'withsaid annular. chamber, each of said first and second members forming a .circumfe'rentially permanently closed annular body, and means;operat ively connected to said first and second members'and operable-in response to rotation 'thereof relative'to each other in one direction to interlock .saidifirst and second members and in response to rotation of said members relative toeach other in the other direction to. permit removal of said second member from said first'memb'erfl References -Citedbythe Examiner UNITED STATES PATENTS 02,219,576 10/40 Morelandju'; 18-42 XR 7 2,331,000 10/42 Schaefer "a" 25-126 2,823,439- 2/58 Schnidgalt. 7
WILLIAM J. STEPHENSON, Primar Eicaminer.
1. A MOLD FOR CASTING A HOLLOW CYLINDRICAL THIN WALLED BODY WHICH COMPRISES: BOTTOM WALL MEANS, OUTER WALL MEANS HAVING AN AXIAL CYLINDRICAL BORE AND BEING SUPPORTED BY SAID BOTTOM WALL MEANS,M INNER WALL MEANS ARRANGED WITHIN AND IN RADIALLY SPACAED RELATIONSHIPO TO SAID OUTER WALL MEANS AND SUPPORTED BY SAID BOTTOM WALL MEANS, SAID INNER WALL MEANS BEING WITHDRAWABLE FROM SAID OUTER WALL MEANS AND TOGETHER WITH SAID OUTER WALL MEANS AND SAID BOTTOM WALL MEANS CONFINING AN ANNULAR CHAMBER FOR RECEIVING CASTABLE MATERIAL, SAID OUTER WALL MEANS COMPRISING A FIRST
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Галерея 3188692

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