US1131705A - Device for simultaneously cutting and closing hollow bricks. - Google Patents
Device for simultaneously cutting and closing hollow bricks. Download PDFInfo
- Publication number
- US1131705A US1131705A US77702413A US1913777024A US1131705A US 1131705 A US1131705 A US 1131705A US 77702413 A US77702413 A US 77702413A US 1913777024 A US1913777024 A US 1913777024A US 1131705 A US1131705 A US 1131705A
- Authority
- US
- United States
- Prior art keywords
- closing
- disk
- cutting
- hollow bricks
- simultaneously cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/32—Moulds having cutting means
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/111—Hollow block
Definitions
- the brick length is unfavorably influenced by the U-shape of the knife in such a way that the upper edges of the brick length, following said shape, slope to the sides and the lower part of the brick length is pressed broad by the material giving way to the knife.
- the essential feature of the invention is a round rotary disk, of which the circumferential edges are on both sides, preferably alternately, fitted with closing beaks, which while outwardly sloping run into the plane of the disk.
- the disk is set in quick rotation, preferably by an electromotor and suitably arranged on a swing-axle between th advancing rolls of a cutting-table Specification of Letters Patent.
- Patented 1%, 1815 Patented 1%, 1815.
- the disk permits, owing to the high speed at which it cuts the material, of a burless cut and of a homogenous fireproof closing plane.
- Figure 1 is a front view of a sector-like fragment of the disk, while Fig. 2 shows a cross-section through the brick length, with the disk applied thereto.
- the disk 1 is made of sheet metal and on both sides of its circumferential edges fitted with alternately arranged beaks 2.
- the latter are preferably stamped out of the material of the disk, which is then well tempered at these places; or the disk may be cast with the beaks.
- the disk With slight alterations of the known cutting-tables, the disk, as already mentioned, can be easily built-in in such a way that it is so arranged between a pair of advancing-rolls of the cutting-table within a forked swing-lever arm, which is balanced by a counterweight, that, when cutting, it reaches to above the uppermost edges of the brick length and penetrates, that is cuts the same while rotating.
- the quality of the cut depends on the circumferential speed of the disk, and-it has been proved that about 1,200 to 1,300 turns in a minute with middling stifi material give excellent results.
- Fig. 2 The operation is shown in Fig. 2:
- the rotary disk penetrates the brick length from below at right angles to the longitudinal axis of the same, while the gradually ascending beaks catch thereby such quantities of material as correspond to their height and drive the same, while advancing, owing to their centrifugal force on both sides into the plane of the channel openings, whereby the latter are closed.
- the closing is, corresponding to the nature of the movement of the disk, effected in a circular way, whereby an absolutely tight closure or a homogenous jointing of the material between each other is obtained, which can, for instance, not happen with the vertical movement of the above-mentioned known process.
- V V nation a rotary disk a plurality of beaks y 7 on both sides of the circumferential edges of KARL JOHANNESMANN' the latter, and a swing-axle for said disk, W1tnesses:
Description
K. JOHANNESMANN. DEVICE FOR $IMULTANEOUSLY CUTTING AHD CLOSING HOLLOW BRICKS. APPLICATION FILED JULY 2, 1913.
1,131,705, Patented Mar. 16, 1915.
THE NORRIS PETER: uu" PHOTO-LITHO, WASHINGYUN. D C
V UNITED STATES PATENT @FFTQE.
KARL JOHANNESMANN, 0F FERDINANDG-RUBE, GERMANY, ASSIGNOE TO JOSEPH ALTMANN', OF KATTOWI'IZ, GERMANY.
DEVICE FOR SIMULTANEOUSLY CUTTING AND CLOSING HOLLOW BRECKEL Application filed July 2, 1913.
To all whom it may concern:
Be it known that I, KARL JOHANNES- MANN, a subject of the German Emperor, and resident of Ferdinandgrube, Germany, have invented certain new and useful Improvements in Devices for Simultaneously Cutting and Closing Hollow Bricks, of which the following is a specification.
Hitherto, a process for a simultaneous cutting and closing of hollow bricks has become known, in which by the employment of a U-shaped curved knife with a plowshare shaped edges the brick length is cut or squeezed off with a simultaneous closing of the channel openings. However, this process has not found its way into practice for the following reasons: The closing of the channels is to be effected by pressing from the brick length material, corresponding to the height of the channel to be closed, into the openings while cutting. As the knife penetrates the brick length vertically, also the dragged material is vertically moved along, so that only the material above the channel (the bridge) can be used for closing while the material between the channels (the partitions) gets lost or must seek a vent as superfluous material. This acts detrimentally on the moldings in such a way that the surplus of material partly enters the channels and partly escapes beside the knife and thereby causes a breaking of the side walls of the moldings. Further, when cutting, the brick length is unfavorably influenced by the U-shape of the knife in such a way that the upper edges of the brick length, following said shape, slope to the sides and the lower part of the brick length is pressed broad by the material giving way to the knife. Thereby, moldings are produced, of which both ends receive arc-shaped downwardly extended cross-sections, which are useless.
The present invention creates technical improvements and thus economic advantages. The essential feature of the invention is a round rotary disk, of which the circumferential edges are on both sides, preferably alternately, fitted with closing beaks, which while outwardly sloping run into the plane of the disk. The disk is set in quick rotation, preferably by an electromotor and suitably arranged on a swing-axle between th advancing rolls of a cutting-table Specification of Letters Patent.
Patented 1%, 1815.
Serial No. 777,024.
known in the art, it being introduced from below into the cutting line of the brick length. The disk permits, owing to the high speed at which it cuts the material, of a burless cut and of a homogenous fireproof closing plane.
The accompanying drawing shows the subject matter of the invention.
Figure 1 is a front view of a sector-like fragment of the disk, while Fig. 2 shows a cross-section through the brick length, with the disk applied thereto.
The disk 1 is made of sheet metal and on both sides of its circumferential edges fitted with alternately arranged beaks 2. The latter are preferably stamped out of the material of the disk, which is then well tempered at these places; or the disk may be cast with the beaks. With slight alterations of the known cutting-tables, the disk, as already mentioned, can be easily built-in in such a way that it is so arranged between a pair of advancing-rolls of the cutting-table within a forked swing-lever arm, which is balanced by a counterweight, that, when cutting, it reaches to above the uppermost edges of the brick length and penetrates, that is cuts the same while rotating. The quality of the cut depends on the circumferential speed of the disk, and-it has been proved that about 1,200 to 1,300 turns in a minute with middling stifi material give excellent results.
The operation is shown in Fig. 2: The rotary disk penetrates the brick length from below at right angles to the longitudinal axis of the same, while the gradually ascending beaks catch thereby such quantities of material as correspond to their height and drive the same, while advancing, owing to their centrifugal force on both sides into the plane of the channel openings, whereby the latter are closed. The closing is, corresponding to the nature of the movement of the disk, effected in a circular way, whereby an absolutely tight closure or a homogenous jointing of the material between each other is obtained, which can, for instance, not happen with the vertical movement of the above-mentioned known process.
Practical experiments have shown that by a corresponding formation of the length and height of the beaks, differently high chalk nels can be closed entirely or partly only.
What I claim, is In testimony whereof I have hereunto set A device for simultaneously cutting and my hand in the presence of two subscribing 13 closing hollow bricks, comprising in combi- Witnesses. V V nation a rotary disk a plurality of beaks y 7 on both sides of the circumferential edges of KARL JOHANNESMANN' the latter, and a swing-axle for said disk, W1tnesses:
substantially as and for the purpose set ANT N JORDAN,
forth. ERNST KATZ.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
7 Washington, D. C. 1 r
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77702413A US1131705A (en) | 1913-07-02 | 1913-07-02 | Device for simultaneously cutting and closing hollow bricks. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77702413A US1131705A (en) | 1913-07-02 | 1913-07-02 | Device for simultaneously cutting and closing hollow bricks. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1131705A true US1131705A (en) | 1915-03-16 |
Family
ID=3199832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US77702413A Expired - Lifetime US1131705A (en) | 1913-07-02 | 1913-07-02 | Device for simultaneously cutting and closing hollow bricks. |
Country Status (1)
Country | Link |
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US (1) | US1131705A (en) |
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1913
- 1913-07-02 US US77702413A patent/US1131705A/en not_active Expired - Lifetime
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