US31394A - Machine fob - Google Patents

Machine fob Download PDF

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Publication number
US31394A
US31394A US31394DA US31394A US 31394 A US31394 A US 31394A US 31394D A US31394D A US 31394DA US 31394 A US31394 A US 31394A
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Prior art keywords
mold
slider
matrix
parts
core
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/02Producing shaped prefabricated articles from the material by turning or jiggering in moulds or moulding surfaces on rotatable supports
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/19Necktie fastener
    • Y10T24/1903Bands
    • Y10T24/1914Depressors
    • Y10T24/1921Pin or spur
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00Buckles, buttons, clasps, etc.
    • Y10T24/19Necktie fastener
    • Y10T24/1955Tie, attached hook

Definitions

  • Figure l is a perspective view and Fig. 2 a longitudinal section of the machinery.
  • Fig. 3 is an inverted 'plan of the top molder.
  • (A) is the upright or stalk of the machine fastened to a base (B) which is secured to the floor by bolts. On the front edge of this upright is secured by means of bolts and flanges or lugs the guiding box or tube (C) into which is fitted the slider (D).
  • This slider is a tube fitted to work in the guiding tube (C) having on its top end a projecting fillet or band (s) upon which it rests on the top of the guiding tube (C) when at its lowest position.
  • This matrix fits into the top of the slider (D) and rests upon a shoulder on its outside and is secured by three set screws two of which are shown at (1) and
  • the bottom of the matrix is a circular plate or disk (I) which is attached to the rod or starter (L) is the core or interior mold and is caused to rotate rapidly on its axis by means ofthe pulley (G) and belt (II).
  • the remaining parts of the machine will be best understood by describing the process of molding an article of pottery-ware-as for instance a flower pot by it.
  • a piece of clay of the quantity required for the proposed article and of the proper temper for working is placed on the disk or bottom plate (I) the foot of the operator is then pressed on the palm (P) of the treadle (g) which acts on the whee s (F) by means of the chains passing over the pulleys (la) and attached to the wheels (F) and also to the treadle (g) which causes a partial revolution of the pulleys and an upward motion ofthe slider (D) by means of connecting rods the lower ends of which work on pins affixed to the wheels (F) as at (Z) and the upper ends of said connecting rods work on pins attached to the slider (L) are springs of caoutchouc for the purpose of bringing or drawing the pulleys (F) and consequently the slider (D) back to its original position when the treadle (Q) is released from the foot.
  • the slider (D) carries on its top or upper end the exterior mold which as it rises also carries the bottom disk (I) with it first causing it to .take its proper seat in the bottom of the matrix.
  • the clay or material to be operated upon simply occupies the bottom of the cavity of the matrix but the slider continuing to ascend the mold (E) will finally inclose the revolving core mold (L) "and completes the operation the redundant material if any being forced out over the edge of the exterior mold In this positio'n of the machine the lip mold is forced into Contact with the rib or projection (u) on the core mold (L) thus compressing the spiral springs (o) the lip mold playing loose on the mold (L).
  • Fig. 4f is a vertical section of anexpanding core mold, matrix, portion of the revolving shaft and of a pot formed by the molds.
  • Fig. 5 is a horizontal section of the matrix, core mold and pot through the largest parts of the pot and molds.
  • (E) is the upper part of the external mold which is of one piece with the shaft (K) which is mortised or slotted for the reception of the expanding parts of the core mold, which are marked m) 'and work on pins (p) as centers. These pins pass through the levers (m) and shaft (o) is a spring for the purpose of bringing the lower portions of the levers (m) together when the socket (s) is raised by the clutch (f)(a section of the fork of the clutch only is shown in the drawing) operating on the grooved collar (g) which is connected to the socket (8) by stems (Z).
  • the upper and outward surfaces of the levers (m) are made tapering or beveling so that when the socket (s) is depressed the lower parts of the levers are expanded to the position shown in Fig. 4, and when said socket is raised the upper parts are separated and the lower parts brought together by the action of the spring (v). (Z) is the pot or crucible.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Description

`UNITED sTATEs PATENT oEEIoE.
WM. LINTON, OF BALTIMORE, MARYLAND.
MACHINE FOR IVIOLDING POTTERY.
Specification forming part of Letters Patent No. 81,394, dated February 12, 1861; Reissued May 11, 1875, No. 6,425.
y To au 'whom it 'may concern:
Be it known that I, WILLIAM LINToN, of Baltimore, in the State of Maryland, have made certain Improvements in Machinery for Molding Pottery-Ware, Crucibles, and other Articles such as are usually made on the Potters `Wheel; and I do hereby declare that the following is a full, clear, and
exact description thereof, reference being had to the accompanying drawings, making a part of this specification.
The same letters of reference in the different figures denote the same parts of the machinery.
Figure l is a perspective view and Fig. 2 a longitudinal section of the machinery. Fig. 3 is an inverted 'plan of the top molder.
(A) is the upright or stalk of the machine fastened to a base (B) which is secured to the floor by bolts. On the front edge of this upright is secured by means of bolts and flanges or lugs the guiding box or tube (C) into which is fitted the slider (D). This slider is a tube fitted to work in the guiding tube (C) having on its top end a projecting fillet or band (s) upon which it rests on the top of the guiding tube (C) when at its lowest position.
is the exterior mold or matrix within which the article is formed its interior surface must therefore correspond with the outer shape of the proposed article. This matrix fits into the top of the slider (D) and rests upon a shoulder on its outside and is secured by three set screws two of which are shown at (1) and The bottom of the matrix is a circular plate or disk (I) which is attached to the rod or starter (L) is the core or interior mold and is caused to rotate rapidly on its axis by means ofthe pulley (G) and belt (II). The remaining parts of the machine will be best understood by describing the process of molding an article of pottery-ware-as for instance a flower pot by it. A piece of clay of the quantity required for the proposed article and of the proper temper for working is placed on the disk or bottom plate (I) the foot of the operator is then pressed on the palm (P) of the treadle (g) which acts on the whee s (F) by means of the chains passing over the pulleys (la) and attached to the wheels (F) and also to the treadle (g) which causes a partial revolution of the pulleys and an upward motion ofthe slider (D) by means of connecting rods the lower ends of which work on pins affixed to the wheels (F) as at (Z) and the upper ends of said connecting rods work on pins attached to the slider (L) are springs of caoutchouc for the purpose of bringing or drawing the pulleys (F) and consequently the slider (D) back to its original position when the treadle (Q) is released from the foot. The slider (D) carries on its top or upper end the exterior mold which as it rises also carries the bottom disk (I) with it first causing it to .take its proper seat in the bottom of the matrix. In the meantime the clay or material to be operated upon simply occupies the bottom of the cavity of the matrix but the slider continuing to ascend the mold (E) will finally inclose the revolving core mold (L) "and completes the operation the redundant material if any being forced out over the edge of the exterior mold In this positio'n of the machine the lip mold is forced into Contact with the rib or projection (u) on the core mold (L) thus compressing the spiral springs (o) the lip mold playing loose on the mold (L). )When all the parts of the mold are thus brought into coaptation the process of molding is completed and the removal of the foot pressure from the treadle opens the mold and presents the article ready to be lifted off to the drying shelf. But in the process of separating the mold from the articles which are necessarily in a soft state the adhesive ness of the clay and the pressure of the atmosphere present difficulties of extraordinary obstinacy. The adhesion of the clay to the mold is overcome by using a very minute portion of oil but this in no way relieves the atmospheric pressure in withdrawing the core mold. This difliculty I have overcome by the following device which perfectly answers the purpose-viz. I make three pairs of shallow channels in the conical face of the core mold (L) in the manner represented at (N). These start from three points at the upper part of the mold and meet in three intermediate points in the lower part at which part the channels are deepest and give a slightly trefoil appearance to the bottom of the mold the channels affording a free passage to the admission of air into the cavity of the ware on withdrawtill the foot of the rod (t) strikes the bracket (fw) which is attached to the upright (A) when it stops, bringing to rest also the article which has been molded but the exterior mold or matrix continuing to descend completely strips the article and leaves it resting on the disk (I) ready for removal to the drying shelf as before stated. In this illustration of the operation of the machine I had proposed the molding of a flower pot and as the bottoms of these articles are perforated for the purpose of admitting moisture from below to the roots of the plantI accomplish this operation by placing the punch (T) on the bottom of the core mold (L). The core mold (L) is made of metal and is screwed on to the shaft or spindle (X) so that it can be removed and replaced at pleasure.
Fig. 4f is a vertical section of anexpanding core mold, matrix, portion of the revolving shaft and of a pot formed by the molds. I
Fig. 5 is a horizontal section of the matrix, core mold and pot through the largest parts of the pot and molds.
(Gr) is the pulley on the shaft (K) and is revolved by the belt f (E) is the lower part of the external mold or matrix fastened to the slider (D) as described before and shown in Fig. 2.
(E) is the upper part of the external mold which is of one piece with the shaft (K) which is mortised or slotted for the reception of the expanding parts of the core mold, which are marked m) 'and work on pins (p) as centers. These pins pass through the levers (m) and shaft (o) is a spring for the purpose of bringing the lower portions of the levers (m) together when the socket (s) is raised by the clutch (f)(a section of the fork of the clutch only is shown in the drawing) operating on the grooved collar (g) which is connected to the socket (8) by stems (Z).
The upper and outward surfaces of the levers (m) are made tapering or beveling so that when the socket (s) is depressed the lower parts of the levers are expanded to the position shown in Fig. 4, and when said socket is raised the upper parts are separated and the lower parts brought together by the action of the spring (v). (Z) is the pot or crucible.
The parts 2, D 0 1), and E are similar and operate in the same manner as the parts denoted by the same letters in Figs. l and 2.
I believe I have described the construction and operation of my improvements, so as to enable any person skilled in the art to make and use them, I will now specify what I desire to secure by Letters Patent, to wit- A revolving core mold in combination with a stationary yielding or traversing lip mold or top molder, operated by springs, so as to hold the vessel formed in the mold when the core is removed substantially as described.
WM. LINTON.
US31394D Machine fob Expired - Lifetime US31394A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693616A (en) * 1985-09-11 1987-09-15 Mtu Motoren-Und Turbinen-Union Muenchen Gmbh Bearing for a fluid flow engine and method for damping vibrations of the engine
US4947639A (en) * 1988-05-12 1990-08-14 United Technologies Corporation Apparatus and method for supporting a rotating shaft in a rotary machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693616A (en) * 1985-09-11 1987-09-15 Mtu Motoren-Und Turbinen-Union Muenchen Gmbh Bearing for a fluid flow engine and method for damping vibrations of the engine
US4947639A (en) * 1988-05-12 1990-08-14 United Technologies Corporation Apparatus and method for supporting a rotating shaft in a rotary machine

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