US407349A - Mold for glassware - Google Patents

Mold for glassware Download PDF

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US407349A
US407349A US407349DA US407349A US 407349 A US407349 A US 407349A US 407349D A US407349D A US 407349DA US 407349 A US407349 A US 407349A
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mold
blow
over
cap
article
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    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • 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

Definitions

  • MICHAEL H. HAGERTY a citizen of the United States, residing in the city of Brooklyn, in the county of Kings and State of New York, have invented a certain new and useful Improvement in Molds for Glassware, of which the following is a specification.
  • My invention relates to that class of molds for blown glassware which are provided with a cap or blow-over, into which surplus glass is blown thinner than is required in the body of the article to be made, so that the thin surplus glass can the more readily be chipped or broken off, leaving the edges of the article to be made ready for grinding and finishing.
  • a cap or blow-over has been permanently attached to or made a part of the mold, but has been found objectionable in use, because the surplus glass in the cap or blow-over, being much thinner than that of the remainder of the article to be made, is much the faster chilled from contact with the mold, and cracks, which cracks often communicate with and ruin the body of the article itself. If, to remedy this, the mold is opened soon enough to prevent this too rapid chilling and cracking of the surplus glass, the body of the article, retaining its plastic condition, is liable to warp out of shape.
  • the object of my invention is to obviate these objections, and at the same time provide a simple and effective means of molding glass jars having very large months, or like articles, such as battery-jars, 850., or dishes where the opening is equal to the whole i11- terior circumference of the article; and to this end my invention consists in making the cap or blow-over detachable from the body of the mold proper, or adjustably secured thereto, preferably by hinging, so that as soon as the article is blown out to the size and shape of the mold the cap or blow-over can at once be readily opened or removed from contact with the thin surplus glass, while the mold proper can remain closed as long as may be necessary, which will vary according to the thickness of the article to be made.
  • Figure 1 represents a front view of a mold with the cap or blow-over open, embodying my improvement.
  • Fig. 2 represents a view of half of the mold and the cap or blow-over.
  • Fig. 3 represents an unfinished article; and
  • Fig.4 represents a transverse section of a mold, showing a modification of my invention.
  • A designates the base of the mold, having a central raised portion a, provided with an under'cut a.
  • the sides B B designate the sides of the mold proper, the lower ends of which are also provided with under-cuts c c, which engage with the undercut a of the base A.
  • the sides B B are hinged or turn on a rod or standard C, secured to the base A.
  • D D designate the sides of an independently-operating cap or blow-over, arranged above the mold proper, and have their lower ends provided with under-cuts l) b, which engage with the upper portion of the sides B B, which are raised and provided with undercuts 1) b.
  • the sides of the mold and cap or blow-over are each provided with a pair of handles E E to open and close the same.
  • the mold and cap or blow-over are made from iron or other suitable material, and can be made of such size and shape as maybe desired.
  • the interior of the cap or blow-over is made larger or wider than the circumference of the mouth of the article to be made.
  • the cap or blow-over is preferably hinged on the rod or standard, so that when the article to be made is blown out to the size and shape of the mold the cap or blow-over can be readily opened, while the mold proper is left closed.
  • the cap or blow-over may be otherwise detachably secured to the mold proper; but for convenience of operating I prefer hinging it to the rod 0, as shown.
  • the combination with the base A, of the rod 01' standard C, the sides 1 B of the mold proper hinged to said rod, and the independent eap or blow-over D D, also hinged to said rod and arranged above the body of the to mold proper and eo-operztting therewith, substantially in the manner as and for the purpose specified.

Description

(No Model.)
M. H. HAGERTY. MOLD FOR GLASSWARE.
9 00 w 3 2 y 0 m 1 d m e M P 0 @L 1 Q a ,2 mm 3 N1 5 3 WITNESSES N. PETERS. Phbto uihugmhhe'. Waahinglnn. D.-C.
NITED FFICE.
MICHAEL H. HAGERTY, OF BROOKLYN, NEWV YORK.
MOLD FOR GLASSWARE.
SPECIFICATION forming part of Letters Patent No. 407,349, dated July 23, 1889.
Application filed April 8, 1889. Serial No. 306,471. (No inodel.)
To aZZ whom it may concern.-
Be it known that 1, MICHAEL H. HAGERTY, a citizen of the United States, residing in the city of Brooklyn, in the county of Kings and State of New York, have invented a certain new and useful Improvement in Molds for Glassware, of which the following is a specification.
My invention relates to that class of molds for blown glassware which are provided with a cap or blow-over, into which surplus glass is blown thinner than is required in the body of the article to be made, so that the thin surplus glass can the more readily be chipped or broken off, leaving the edges of the article to be made ready for grinding and finishing. Heretofore such a cap or blow-over has been permanently attached to or made a part of the mold, but has been found objectionable in use, because the surplus glass in the cap or blow-over, being much thinner than that of the remainder of the article to be made, is much the faster chilled from contact with the mold, and cracks, which cracks often communicate with and ruin the body of the article itself. If, to remedy this, the mold is opened soon enough to prevent this too rapid chilling and cracking of the surplus glass, the body of the article, retaining its plastic condition, is liable to warp out of shape.
The object of my invention is to obviate these objections, and at the same time provide a simple and effective means of molding glass jars having very large months, or like articles, such as battery-jars, 850., or dishes where the opening is equal to the whole i11- terior circumference of the article; and to this end my invention consists in making the cap or blow-over detachable from the body of the mold proper, or adjustably secured thereto, preferably by hinging, so that as soon as the article is blown out to the size and shape of the mold the cap or blow-over can at once be readily opened or removed from contact with the thin surplus glass, while the mold proper can remain closed as long as may be necessary, which will vary according to the thickness of the article to be made.
In the accompanying drawings similar letters of reference designate correspondin gparts in all the figures.
Figure 1 represents a front view of a mold with the cap or blow-over open, embodying my improvement. Fig. 2 represents a view of half of the mold and the cap or blow-over. Fig. 3 represents an unfinished article; and Fig.4 represents a transverse section of a mold, showing a modification of my invention.
A designates the base of the mold, having a central raised portion a, provided with an under'cut a.
B B designate the sides of the mold proper, the lower ends of which are also provided with under-cuts c c, which engage with the undercut a of the base A. The sides B B are hinged or turn on a rod or standard C, secured to the base A.
D D designate the sides of an independently-operating cap or blow-over, arranged above the mold proper, and have their lower ends provided with under-cuts l) b, which engage with the upper portion of the sides B B, which are raised and provided with undercuts 1) b.
In Fig. A the lower inside portion 6 of the sides of this cap or blo w-over D D are slightly tapered and extend inward and rest upon the top of the mold proper, where the mouth of the article to be made is formed.
The sides of the mold and cap or blow-over are each provided with a pair of handles E E to open and close the same. The mold and cap or blow-over are made from iron or other suitable material, and can be made of such size and shape as maybe desired. As is usual, the interior of the cap or blow-over is made larger or wider than the circumference of the mouth of the article to be made. The cap or blow-over is preferably hinged on the rod or standard, so that when the article to be made is blown out to the size and shape of the mold the cap or blow-over can be readily opened, while the mold proper is left closed. The cap or blow-over may be otherwise detachably secured to the mold proper; but for convenience of operating I prefer hinging it to the rod 0, as shown.
By the use of my improved mold, with its independently-operating cap or blow-over, it will be found that a great saving of time and material will be made and the objections incident to the use of the mold now in use 01)- viztted.
\Vhat I claim as new, and desire to secure by Letters Patent, is
In the hereindeseribed mold for blown glassware, the combination, with the base A, of the rod 01' standard C, the sides 1 B of the mold proper hinged to said rod, and the independent eap or blow-over D D, also hinged to said rod and arranged above the body of the to mold proper and eo-operztting therewith, substantially in the manner as and for the purpose specified.
MICHAEL H. IIAGERTY.
\Vitnesses:
THos. J. FARRELL, .T. C. WARD.
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