US982437A - Crucible-cover. - Google Patents

Crucible-cover. Download PDF

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Publication number
US982437A
US982437A US41425008A US1908414250A US982437A US 982437 A US982437 A US 982437A US 41425008 A US41425008 A US 41425008A US 1908414250 A US1908414250 A US 1908414250A US 982437 A US982437 A US 982437A
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United States
Prior art keywords
crucible
cover
metal
spout
spring
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Expired - Lifetime
Application number
US41425008A
Inventor
Thomas Mcgrath
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Individual
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Individual
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Publication date
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Priority to US41425008A priority Critical patent/US982437A/en
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Publication of US982437A publication Critical patent/US982437A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers
    • B65F1/1615—Lids or covers with means for locking, fastening or permanently closing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/16—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped

Definitions

  • My invention relates to improvements in' crucibles for melting metal, brass and other alloys of metal; and the object oi' my improvements is to provide a cover, which is separate from the Crucible, which may be placed thereon when the metal is to be poured, and which, when so placed will remain in position until the operator sees fit to remove it.
  • F igure 1 is a plan view of my Crucible cover as placed upon a Crucible.
  • Fig. 2 is a vertical scction of the same on line y/--y/ of Fig. 1.
  • Fig. 8 is a vertical section of the same on line of Fig. 1.
  • Fig. 4 is a slight modification of the Crucible cover as placed on the Crucible.
  • a designates the Crucible; Z), the cover; c, 7c, and Z, the spring; CZ, the bolt; e, the nut; said bolt d, and nut e, firmly binding the cover o, and the spring c, c, and Z, together; f in Fig. 4, a slight modification of the cover b, g, the inverted cover spout; and L, the Crucible spout.
  • the cover When the cover is to be used it is placed on the Crucible a, with the inverted cover spout g, directly over the Crucible spout 7L, as shown in Figs. 3 and 4, or if a smaller flow of metal is desirable, then the cover spout g, may be shifted to the right of, or left of the Crucible spout lz., until the desired flow is procured.
  • the cover b is securely held in place on Specification of Letters Patent.
  • Fig. 4 the cover is slightly different in that it rests on the top of Crucible a, instead of partially entering Crucible a, as shown in Figs. 2 and 3.
  • the covers I), in Figs. 1, 2 and 3, and f, in Fig. 4, may be made of the same material as the Crucible or any other substance which will successfully resist the heat of the metal.
  • the cover is removed and the metal is melted in the ordinary way. l/Vhen ready to pour, the cover is placed on the Crucible as shown in the drawings, and held there by the spring c, at its extremities 7c, and Z. The cover keeps the metal from rapidly cooling or oxidizing and prevents the escape of noxious gases.
  • this cap results in better and more uniform castings, makes a great saving in metal, saves the labor of skimming or removing the dross prior to pouring the metal, and saves the service of an extra man 'with a skimmer, tongs or other implement or implements necessary to hold other covers in place while the metal is being poured by the melder.
  • a Crucible cover having an inverted spout at the edge thereof and an attached spring clamp of such shape as to engage the sides of a Crucible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)

Description

T. MOGRATH.
GRUGIBLE COVER.
APPLIOATION FILED 2313.4, 190s.
Patented .15111.24
IIJ/w f 1 fari/5% A Invntor. 7,2m W I9/ W itn sses.
c., sa? 614ML Attorney.
me Molzms rzrsns ca. wAsMINaTvN. n. r:4
UNITED STATES PATENT OFFICE.
THOMAS McGRATI-I, 0F NEW BRITAIN, CONNECTICUT.
CRUCIBLE-COVER.
To all whom it may concern:
Be it known that I, THOMAS MCGRATII, a Citizen of t-he United States, residing at No. 60 Columbia street, New Britain, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Crucible-Covers, of which the following is a specication.
My invention relates to improvements in' crucibles for melting metal, brass and other alloys of metal; and the object oi' my improvements is to provide a cover, which is separate from the Crucible, which may be placed thereon when the metal is to be poured, and which, when so placed will remain in position until the operator sees fit to remove it.
In the accompanying drawings, F igure 1 is a plan view of my Crucible cover as placed upon a Crucible. Fig. 2 is a vertical scction of the same on line y/--y/ of Fig. 1. Fig. 8 is a vertical section of the same on line of Fig. 1. Fig. 4 is a slight modification of the Crucible cover as placed on the Crucible.
a, designates the Crucible; Z), the cover; c, 7c, and Z, the spring; CZ, the bolt; e, the nut; said bolt d, and nut e, firmly binding the cover o, and the spring c, c, and Z, together; f in Fig. 4, a slight modification of the cover b, g, the inverted cover spout; and L, the Crucible spout.
When the cover is to be used it is placed on the Crucible a, with the inverted cover spout g, directly over the Crucible spout 7L, as shown in Figs. 3 and 4, or if a smaller flow of metal is desirable, then the cover spout g, may be shifted to the right of, or left of the Crucible spout lz., until the desired flow is procured.
The cover b, is securely held in place on Specification of Letters Patent.
Application filed February 4, 1908.
Patented Jan. 24, 1911.
Serial No. 414,250.
the Crucible a, by the spring c, which adheres to the outside of the cruclble a, as shown in Fig. 2, at 7c, and Z.
In Fig. 4 the cover is slightly different in that it rests on the top of Crucible a, instead of partially entering Crucible a, as shown in Figs. 2 and 3.
The covers I), in Figs. 1, 2 and 3, and f, in Fig. 4, may be made of the same material as the Crucible or any other substance which will successfully resist the heat of the metal.
The cover is removed and the metal is melted in the ordinary way. l/Vhen ready to pour, the cover is placed on the Crucible as shown in the drawings, and held there by the spring c, at its extremities 7c, and Z. The cover keeps the metal from rapidly cooling or oxidizing and prevents the escape of noxious gases.
The use of this cap results in better and more uniform castings, makes a great saving in metal, saves the labor of skimming or removing the dross prior to pouring the metal, and saves the service of an extra man 'with a skimmer, tongs or other implement or implements necessary to hold other covers in place while the metal is being poured by the melder.
I am aware that a prior patent shows and describes a Crucible cover with a guard extending downward into the Crucible. Such a cover is hereby disclaimed.
I claim as my invention:
A Crucible cover having an inverted spout at the edge thereof and an attached spring clamp of such shape as to engage the sides of a Crucible.
THOMAS MCGRATH. iVitnesses:
VILLIAM J SHANLEY, EDWARD L. Roel-Ironia
US41425008A 1908-02-04 1908-02-04 Crucible-cover. Expired - Lifetime US982437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US41425008A US982437A (en) 1908-02-04 1908-02-04 Crucible-cover.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41425008A US982437A (en) 1908-02-04 1908-02-04 Crucible-cover.

Publications (1)

Publication Number Publication Date
US982437A true US982437A (en) 1911-01-24

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US41425008A Expired - Lifetime US982437A (en) 1908-02-04 1908-02-04 Crucible-cover.

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