US232228A - babbitt - Google Patents

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US232228A
US232228A US232228DA US232228A US 232228 A US232228 A US 232228A US 232228D A US232228D A US 232228DA US 232228 A US232228 A US 232228A
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molds
section
mold
barrels
babbitt
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds

Definitions

  • My invention relates to multiple molds or mold-boxes constructed with a series of molds in which a number of gun-barrels may be cast at one time.
  • the invention consists in a mold-box composed oftwo parts or sections, constructed with a series of molds for gun-barrels arranged side by side, a pouring hole or gate at one end communicatin g with the several molds, and an exhaust-nozzle at the other end, also communicatingwith the several molds, to provide for exhausting the air from the molds.
  • the lower partor section is provided with upwardly-projecting flanges, between which the upper part or section fits, and the molds extend, the entire length of the upper part or section, and the cormnunication of the several molds with one pouring hole or gate and one exhaustnozzle is conveniently effected by grooves formed in the inner end corners of said upper part or section.
  • Figure 1 represents alongitndinal section through a moldboX embodying my invention.
  • Fig. 2 represents a transverse section thereof.
  • Fig. 3 represents a side view of what is in this instance the upper part of the mold-box.
  • Fig. at represents a side view of the under side thereof.
  • Fig. 5 represents an inverted plan of said up per part; and
  • Fig. (3 represents an end view thereof.
  • A designates one of the parts or sections of the mold-box, and B the other part or section thereof. Any desirable means may be employed for holding or looking the two parts or sections together which will at the same time permit of their being readily separated.
  • the devices here employed for this purpose consist of pins or studs 0, projecting from the lower part or section, A, and passing loosely through holes in the upper part or section, B, which is secured in place by the keys at.
  • the part or section A is constructed with upwardlyprojecting flanges A at each end, and the part or section B is of a length to fit between saidflanges, as clearly shown in Fig. 1.
  • this mold-box are formed any number of separate molds D, of which three are here shown, and E designates a pouringhole for the entrance of the molten metal, which communicates with each of the molds D.
  • the part or section A is constructed with the flanges A the molds I) should extend the full length of the part or section B, and when so constructed the communication of each mold with the pouringhole and exhaust-nozzle may be conveniently effected by grooving the lower corner at each end of the part or section B, forming passages b, (clearly shown in Fig. l and in dotted outline in Fig. 2,) so as to connect the ends of all the molds D.
  • a mold-box composed of two parts or sections constructed with a series of molds for gun-barrels arranged side by side, a pouring hole or gate at one end communicating with the several molds, and an exhaust nozzle at the other end, also communicating with the several molds, substantially as specified.
  • the mold box composed of the part or section A, provided with the flanges A, and the part or section B, fitting between the said flanges, the molds D, extending the entire length of the part or section B, the pouringhole E, the exhaust-nozzle F, and the passages 1), consisting of grooves in the inner ends of the part or section B, substantially as specified.

Description

(No Model.) 2 8heets--Sheet 1.
B. T. BABBITT. Multiple Mold for Casting Gun Barrels.
No. 232,228. Patented Sept. 14,1880.
Fig. 2.
ATTE STI if. M.
(No Model.) 2Sheets-Sheet 2.
B. T. BABBITT.
Multiple Mold for Casting Gun Barrels.
No. 232,228. I Patented Sept. 14,1880.
iiWMiiiil UNITED STATES PATENT OFFICE.
BENJAMIN T. BABBITT, OF NEW YORK, N. Y.
MULTIPLE MOLDS FOR CASTING GUN-BARRELS.
SPECIFICATION forming part of Letters Patent No. 232,228, dated. September 14, 1880.
Application filed April 20, 1880.
To all whom it may concern Be it known that I, BENJAMIN T. BABBITT, of the city of New York, in the county and State of New York, have invented certain new and useful Improvements in Multiple Molds for Casting Gun-Barrels, of which the following is a specification.
My invention relates to multiple molds or mold-boxes constructed with a series of molds in which a number of gun-barrels may be cast at one time.
The invention consists in a mold-box composed oftwo parts or sections, constructed with a series of molds for gun-barrels arranged side by side, a pouring hole or gate at one end communicatin g with the several molds, and an exhaust-nozzle at the other end, also communicatingwith the several molds, to provide for exhausting the air from the molds.
In order to facilitate the construction of the mold-box and to insure the proper centering of the parts or sections one upon the other, the lower partor section is provided with upwardly-projecting flanges, between which the upper part or section fits, and the molds extend, the entire length of the upper part or section, and the cormnunication of the several molds with one pouring hole or gate and one exhaustnozzle is conveniently effected by grooves formed in the inner end corners of said upper part or section. v
In the accompanyingdrawings, Figure 1 represents alongitndinal section through a moldboX embodying my invention. Fig. 2 represents a transverse section thereof. Fig. 3 represents a side view of what is in this instance the upper part of the mold-box. Fig. at represents a side view of the under side thereof. Fig. 5 represents an inverted plan of said up per part; and Fig. (3 represents an end view thereof.
Similar letters of reference designate corresponding parts in both the figures.
A designates one of the parts or sections of the mold-box, and B the other part or section thereof. Any desirable means may be employed for holding or looking the two parts or sections together which will at the same time permit of their being readily separated.
The devices here employed for this purpose consist of pins or studs 0, projecting from the lower part or section, A, and passing loosely through holes in the upper part or section, B, which is secured in place by the keys at.
(No model.)
In order to enable the mold-box to be cheaply made, and to facilitate the proper centering of the parts or sections A and B one upon the other, the part or section A is constructed with upwardlyprojecting flanges A at each end, and the part or section B is of a length to fit between saidflanges, as clearly shown in Fig. 1. In this mold-box are formed any number of separate molds D, of which three are here shown, and E designates a pouringhole for the entrance of the molten metal, which communicates with each of the molds D.
In order to render the cast barrels of uniform density and prevent blow-holes, it is desin-able to exhaust the air from the molds; and to provide for this I employ an exhaust-nozzle, F, at the other end of the mold-box from the pouring-hole, and in communication with the several molds D. I
hen the part or section A is constructed with the flanges A the molds I) should extend the full length of the part or section B, and when so constructed the communication of each mold with the pouringhole and exhaust-nozzle may be conveniently effected by grooving the lower corner at each end of the part or section B, forming passages b, (clearly shown in Fig. l and in dotted outline in Fig. 2,) so as to connect the ends of all the molds D.
By my invention I provide a mold which may be cheaplyconstructed and in which large numbers of gun-barrels may be cast ver' quickly.
What claim as my invention, and desire to secure by Letters Patent, is-
1. A mold-box composed of two parts or sections constructed with a series of molds for gun-barrels arranged side by side, a pouring hole or gate at one end communicating with the several molds, and an exhaust nozzle at the other end, also communicating with the several molds, substantially as specified.
2. The mold box composed of the part or section A, provided with the flanges A, and the part or section B, fitting between the said flanges, the molds D, extending the entire length of the part or section B, the pouringhole E, the exhaust-nozzle F, and the passages 1), consisting of grooves in the inner ends of the part or section B, substantially as specified.
B. T. BABBITT.
Witnesses HENRY T. BROWN, FREDK. HAYNES.
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