US892251A - Die. - Google Patents

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US892251A
US892251A US39777807A US1907397778A US892251A US 892251 A US892251 A US 892251A US 39777807 A US39777807 A US 39777807A US 1907397778 A US1907397778 A US 1907397778A US 892251 A US892251 A US 892251A
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Prior art keywords
slides
die
mantle
casing
shell
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US39777807A
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Bartholomew H Greene
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/50—Removing moulded articles

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  • This invention relates to dies for Vforming mantle holders, of the class employed Afor supporting the mantles of gas burners, and it is designed as an improvement upon the invention disclosed in Letters Patent of the United States, No. 860,368, granted to myself and assignee, under date of July 16th, 1907.
  • the primary object of the invention is to rovide a male die and a female die in comiiination with novel means Vfor releasing the molded product without liability of breaking or damaging the same.
  • a further object of the invention is to provide dies with means vfor releasing the molded product and elevating the same so that it may be easily removed from the dies.
  • the invention consists of a male die, and a female die, in combination with oppositely disposed horizontally-movable slides which form the periphery of the mantle holder, and mechanism for moving said slides, and for elevating the molded product above the female die.
  • Figure 1 is a side elevation partly in vertical section, of a mantle holder die embodying the invention
  • Fig. 2 is an end elevation of the same partly in vertical section
  • Fig. 3 is a longitudinal vertical section of the improvement partly broken away
  • Fig. 4 is a bottom plan view of the male die
  • Fig. 5 is a view in perspective of one of the movable slides employed
  • Fig. 6 is a fragmentary view partly in elevation, and partly in section illustrating the manner of raising the molded product above the female die
  • Fig. 7 is a perspective view of the molded mantle holder in inverted position.
  • the reference numeral 1 designates a table upon which is supported a rectangular shell o-r casing 2, provided on opposite sides with horizontal perforated lugs 3 resting on the table 1, and secured thereto by bolts 4 and nuts 5.
  • the shell or casing 2 is formed with a central bore 6 to receive a cylindrical female die 7, circumferentially reduced at its upper end to provide two collars 8 and 9 of different diaineters, and an annular shoulder 10.
  • a flat ring 11 rests upon the shoulder 10 and is formed on its under side with equidistant sockets 12, registering with longitudinal openings 13 formed in the die 7 to receive rods 14 projecting from a disk 15, and eX- tending through openings in the table 1.
  • the upper surface of the casing 2 is recessed to receive two op] ositely-disposed slides 16 formed with longitudinal edge grooves 17 (see Fig. 5) to receive cleats 18, which serve as guides for the slides.
  • the inner end of each of the slides 16 is recessed to form a semi-circular shoulder 19, to receive the male die 20, and a semi-circular rib 2l to form the periphery of the mantle holder.
  • the male die 20 is formed with a central bore 22, air openings 23, and a threaded socket 24 to receive a suitable stem; and at its lower end said die is provided with an annular depending flange 25 formed with three equidistant recesses 26.
  • the other end of the lever 37 is pivotally connected to the lower end of a rod 40, the upper end of which is secured to the disk 15 to effect the raising and lowering of said disk, and the rods 14 projecting therefrom, by means of the treadle 35 which also controls the downward movement of the bolts 29.
  • the movement of the slides 16 is also controlled by the treadle 35 through the intermediacy of the mechanism which will now be described.
  • Projecting from the outer ends of the slides are perforated ears 41 between which project pins 52 projecting from the yoke 33.
  • the operation of the mechanism constructed as thus described is as follows:
  • the clay or like plastic material to form the mantle holder is placed upon the upper end of the die 7 within the casing, after which the die 20 is lowered to compress the clay, between the collars S and 9 and ribs 21 of the slides, thus providing the annular groove 53 within which the mantle is suitably secured.
  • the recesses 26 of the male die provide the holder with the supporting arms 54, whereby the mantle holder can be suitably held upon a fixture.
  • the male die 20 is rst raised, after which by applying pressure to the treadle the bolts 29 are first withdrawn from the recesses 31.
  • the pins 52 of the yoke 33 into the lower inclined portions of the slots 51, causing the bell-crank levers 48 to tilt upon their pivotal supports to draw the rods 49 toward each other and moving the slides 16 outward by means of the arms 43.
  • the rod 40, disk 15 and rods 14 are being elevated through the connections 36 and 37 with the treadle 35, and the upper ends of said rods 14 enter-the sockets 12 of the ring 11, to raise said ring and the molded holder as soon. as the slides are moved outward.
  • the improvement provides simple and effective means for forming or molding the mantle holder, and also for releasing the product so that it may be readily removed from the dies without liability of distorting the shape of the article.
  • An apparatus for forming mantle holders comprising a shell or casing formed with a central bore and recessed on its upper surface, a female die within said bore, horizontally movable slides supported upon said shell or casing and recessed at their inner ends to form a part of the mold, a male die above said female die, means for moving said slides, and means for locking said slides comprising vertically movable bolts adapted to be projected into recesses on the under side of the slides.
  • An apparatus for forming mantle holders comprising a shell or casing formed with a central bore and recessed on its under surface, a female die within said bore, horizontally movable slides supported upon said shell or casing and recessed at their inner ends to form a part of the mold, a male die above said female die, means for moving said slides, land means for locking said slides comprising vertically movable spring pressed bolts extending through openings in said ⁇ shell or casing into recesses on the under sides of the slides.
  • An apparatus for forming mantle holders comprising a shell or casing formed with a central bore, a female die within said bore circumferentially reduced at its upper end to form collars and an annular shoulder, a ring resting on said shoulder, a male die coperating with said'female die, horizontally movable slides recessed at their inner ends to form the periphery of the mantle holder, means for moving said slides to release them from the molded product, and means for raising said ring after the movement of said slides.
  • An apparatus for forming mantle holders comprising a shell or casing formed with a central bore, a female die within said bore circumferentially .reduced at its upper end to form collars and an annular shoulder, a ring resting on said shoulder, a male die coperating with said female die, horizontally movable slides recessed at their inner ends to form the periphery of the mantle holder, means for moving said slides to release them from the molded product, means for raising said ring after the movement of said slides, comprising a disk, vertical rods projecting therefrom and extending through openings in the shell or casing and into sockets on the under side of said ring, a rod depending from said disk, and treadle mechanism for operating said depending rod.
  • treadle and aconneetion between said yoke treadle, and means for moving said slides and treadle.
  • the combination with a shell or easing provided with a central bore, of a female die within said bore, a male die cooperating with said female die7 horizontal slides supported upon said shell or easing and recessed at their inner ends to form the periphery of the mantle holder7 means for locking said slides against movement comprising springpressed bolts7 a yoke secured to said bolts, a treadle, a connection between said yoke and after the release of their locking me ans, comprisinzgr arms loosely secured te the ends of said slides, oppositely disposed bellcrank levers connected to said arms and formed i with L-shaped slots7 and pins projecting y from said yoke into said slots.

Description

PATENTED JUNE 30 B. H. GREENE.
DIE.
APPLICATION FILED 001217, 1901.
f @I x 2 E M a M 2 7 2 2 H. B M-. MUn/v w @mi tu @aus manina-rou. n. c,
BARTHOLOMEW H. GREENE, OF SEBRING, OHIO.
DIE.
Specification of Letters Patent.
Patented June 30, 1908.
Application filed October 17, 1907. Serial No. 397,778.
To all whom it may concern:
Be it known that I, B LxnfrnoLoMEw H. GREENE, a citizen of the United States, residing at Sebring, Mahoning county, Ohio, have invented certain new and useful lmprovements in Dies, of which the following is a speciiication, reference being had therein to the accompanying drawings.
This invention relates to dies for Vforming mantle holders, of the class employed Afor supporting the mantles of gas burners, and it is designed as an improvement upon the invention disclosed in Letters Patent of the United States, No. 860,368, granted to myself and assignee, under date of July 16th, 1907.
The primary object of the invention is to rovide a male die and a female die in comiiination with novel means Vfor releasing the molded product without liability of breaking or damaging the same.
A further object of the invention is to provide dies with means vfor releasing the molded product and elevating the same so that it may be easily removed from the dies.
The invention consists of a male die, and a female die, in combination with oppositely disposed horizontally-movable slides which form the periphery of the mantle holder, and mechanism for moving said slides, and for elevating the molded product above the female die.
The construction of the improvement will be fully described hereinafter in connection with the accompanying drawing, which forms a part of this specification, and its novel features will be set forth in the ap pended claims.
ln the drawing: Figure 1 is a side elevation partly in vertical section, of a mantle holder die embodying the invention, Fig. 2 is an end elevation of the same partly in vertical section, Fig. 3 is a longitudinal vertical section of the improvement partly broken away, Fig. 4 is a bottom plan view of the male die, Fig. 5 is a view in perspective of one of the movable slides employed, Fig. 6 is a fragmentary view partly in elevation, and partly in section illustrating the manner of raising the molded product above the female die, and Fig. 7 is a perspective view of the molded mantle holder in inverted position.
The reference numeral 1 designates a table upon which is supported a rectangular shell o-r casing 2, provided on opposite sides with horizontal perforated lugs 3 resting on the table 1, and secured thereto by bolts 4 and nuts 5.
The shell or casing 2 is formed with a central bore 6 to receive a cylindrical female die 7, circumferentially reduced at its upper end to provide two collars 8 and 9 of different diaineters, and an annular shoulder 10.
A flat ring 11 rests upon the shoulder 10 and is formed on its under side with equidistant sockets 12, registering with longitudinal openings 13 formed in the die 7 to receive rods 14 projecting from a disk 15, and eX- tending through openings in the table 1.
The upper surface of the casing 2 is recessed to receive two op] ositely-disposed slides 16 formed with longitudinal edge grooves 17 (see Fig. 5) to receive cleats 18, which serve as guides for the slides. The inner end of each of the slides 16 is recessed to form a semi-circular shoulder 19, to receive the male die 20, and a semi-circular rib 2l to form the periphery of the mantle holder.
The male die 20 is formed with a central bore 22, air openings 23, and a threaded socket 24 to receive a suitable stem; and at its lower end said die is provided with an annular depending flange 25 formed with three equidistant recesses 26.
To the under side of the table 1 are secured two oppositely-disposed angle brackets 27 formed with openings for the passage of rods 28 depending from the lower ends of vertically disposed bolts 29 which extend through openings 30 in the casing 2, and project into recesses 31 on the under side of the slides 16 to lock the latter. Coil springs 32 encircle the rods 28 and hold the bolts 29 normally in engagement with the slides. To the lower end of each of the rods 28 is secured one end of a yoke 33 secured centrally to a rod 34 connected to a treadle 35 having a link connection 36 with one end of a lever 37 fulcrumed upon a bracket 38 located upon a suitable support 39, below the table 1. The other end of the lever 37 is pivotally connected to the lower end of a rod 40, the upper end of which is secured to the disk 15 to effect the raising and lowering of said disk, and the rods 14 projecting therefrom, by means of the treadle 35 which also controls the downward movement of the bolts 29.
The movement of the slides 16 is also controlled by the treadle 35 through the intermediacy of the mechanism which will now be described. Projecting from the outer ends of the slides are perforated ears 41 between which project pins 52 projecting from the yoke 33.
The operation of the mechanism constructed as thus described, is as follows: The clay or like plastic material to form the mantle holder is placed upon the upper end of the die 7 within the casing, after which the die 20 is lowered to compress the clay, between the collars S and 9 and ribs 21 of the slides, thus providing the annular groove 53 within which the mantle is suitably secured. The recesses 26 of the male die provide the holder with the supporting arms 54, whereby the mantle holder can be suitably held upon a fixture.
To release the product from the dies, the male die 20 is rst raised, after which by applying pressure to the treadle the bolts 29 are first withdrawn from the recesses 31. Continued pressure upon the treadle moves the pins 52 of the yoke 33 into the lower inclined portions of the slots 51, causing the bell-crank levers 48 to tilt upon their pivotal supports to draw the rods 49 toward each other and moving the slides 16 outward by means of the arms 43. At the same time the rod 40, disk 15 and rods 14 are being elevated through the connections 36 and 37 with the treadle 35, and the upper ends of said rods 14 enter-the sockets 12 of the ring 11, to raise said ring and the molded holder as soon. as the slides are moved outward.
. Theretraction of the mechanism is effected by the coil springs 32 as soon as the treadle is relieved of pressure. A
lt will be apparent that the improvement provides simple and effective means for forming or molding the mantle holder, and also for releasing the product so that it may be readily removed from the dies without liability of distorting the shape of the article.
l/Vhile the mechanism here shown for unlocking and moving the slides, and for raising the ring upon which the molded holder is supported is practical and easily operated by a single treadle, l would have it understood that the invention is not restricted to this particular mechanism, but includes all such modications thereof as may fall within the terms and scope of the claims.
Having now described my invention what I claim as new, is
1. An apparatus for forming mantle holders, comprising a shell or casing formed with a central bore and recessed on its upper surface, a female die within said bore, horizontally movable slides supported upon said shell or casing and recessed at their inner ends to form a part of the mold, a male die above said female die, means for moving said slides, and means for locking said slides comprising vertically movable bolts adapted to be projected into recesses on the under side of the slides.
2. An apparatus for forming mantle holders, comprising a shell or casing formed with a central bore and recessed on its under surface, a female die within said bore, horizontally movable slides supported upon said shell or casing and recessed at their inner ends to form a part of the mold, a male die above said female die, means for moving said slides, land means for locking said slides comprising vertically movable spring pressed bolts extending through openings in said` shell or casing into recesses on the under sides of the slides.
3. An apparatus for forming mantle holders, comprising a shell or casing formed with a central bore, a female die within said bore circumferentially reduced at its upper end to form collars and an annular shoulder, a ring resting on said shoulder, a male die coperating with said'female die, horizontally movable slides recessed at their inner ends to form the periphery of the mantle holder, means for moving said slides to release them from the molded product, and means for raising said ring after the movement of said slides.
4. An apparatus for forming mantle holders, comprising a shell or casing formed with a central bore, a female die within said bore circumferentially .reduced at its upper end to form collars and an annular shoulder, a ring resting on said shoulder, a male die coperating with said female die, horizontally movable slides recessed at their inner ends to form the periphery of the mantle holder, means for moving said slides to release them from the molded product, means for raising said ring after the movement of said slides, comprising a disk, vertical rods projecting therefrom and extending through openings in the shell or casing and into sockets on the under side of said ring, a rod depending from said disk, and treadle mechanism for operating said depending rod. Y
5. In an apparatus for forming mantle holders, the combination with a shell or casing provided with a central bore, of a female die within said bore, a male die coperating with said female die, horizontal slides supported upon said shell or casing and recessed at their inner ends to form the periphery of the mantle holder, means for locking said slides against movement comprising springpressed bolts, a yoke secured to said bolts, a
treadle, and aconneetion between said yoke treadle, and means for moving said slides and treadle.
6. In an apparatus for forming mantle holders, the combination with a shell or easing provided with a central bore, of a female die within said bore, a male die cooperating with said female die7 horizontal slides supported upon said shell or easing and recessed at their inner ends to form the periphery of the mantle holder7 means for locking said slides against movement comprising springpressed bolts7 a yoke secured to said bolts, a treadle, a connection between said yoke and after the release of their locking me ans, comprisinzgr arms loosely secured te the ends of said slides, oppositely disposed bellcrank levers connected to said arms and formed i with L-shaped slots7 and pins projecting y from said yoke into said slots.
ln testimony whereof l aflix my signature in the presence of two witnesses.
BARTHOLOMEV H. GREENE W'itnesses'.
A. L. Bamm, J. V. NEwLiN.
US39777807A 1907-10-17 1907-10-17 Die. Expired - Lifetime US892251A (en)

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