US598800A - Carl meyer - Google Patents
Carl meyer Download PDFInfo
- Publication number
- US598800A US598800A US598800DA US598800A US 598800 A US598800 A US 598800A US 598800D A US598800D A US 598800DA US 598800 A US598800 A US 598800A
- Authority
- US
- United States
- Prior art keywords
- blank
- mandrel
- meyer
- carl
- thickness
- 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
Links
- 210000000614 Ribs Anatomy 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
- B21D35/006—Blanks having varying thickness, e.g. tailored blanks
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C21/00—Coins; Emergency money; Beer or gambling coins or tokens, or the like
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12229—Intermediate article [e.g., blank, etc.]
- Y10T428/12236—Panel having nonrectangular perimeter
- Y10T428/12243—Disk
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
Definitions
- My invention relates to the manufacture of seamless hollow bodies, and has for its obj ect to produce such bodies from plates or sheets without materially altering the original distance of the particles of material in a radial direction-that is, in a direction outward from the central portion of the blank..
- Fig. 8 is a cross-section of a grooved mandrel such as shown in Figs. 6 and 7.
- Fig. 9 is a side elevation and a plan of a blank such as shown in Figs. l and 2; and Figs. lO, ll, and 12 are a plan, an edge view, and an elevation at a right angle to one of the side faces of a square blank shaped according to my invention.
- FIG. 1 In carrying out my invention I may employ any suitable form of press or die.
- the drawings show a matrix b, upon which is adapted to descendv the stamp c, receiving the inde- .pendentlymovable mandrel d.
- the blank a is adapted for insertion between the stamp c and 'the matrix b, the latter having a suitable cavity for this purpose.
- the blank I employ is of peculiar formation.
- the thickness or shape of the central portion that is, the portion adapted to of the block shall be constant, or approXif mately so.
- These cross-sections are to be taken parallel to the outline of the mandrel, or of the central portion of the ⁇ blank, which, as arule,is parallel to the outline of the blank proper.
- the cross-sections above mentioned will be cylindrical.
- the cross-sections will be according to quadrilateral (square) prisms, as indicated by dotted lines in Fig. 10.
- the operation simply consists in heating the blank, (although this step may be omitted,) inserting it in the press, (see Figs. l, 3, and 6,) and actuating the mandrel to force the central portion of the blank through the matrix.
- the said central portion substantially retains its shape; but the marginal portion, which at iirst is ⁇ not directly engaged by the mandrel, is gradually forced inward to engage the peripheral surface of the mandrel. (See Figs. 2, 4E, and 7 In this operation the metal is not materially stretched in a radial directionthat is, the length of the hollow body produced is substantially equal to the width of the annular marginal portion of the blank.
- the blank is contracted, the contraction obviously being greatest near the outline and least at the junction of the marginal portion with the central portion.
- the reason for making the marginal portion of the blank decreasing vin thickness outwardly will now be obvious. Where the contraction is greatest it causes the greatest increase in ⁇ thickness, and therefore the blank should be of ⁇ less thickness at such places if it is desired that the finished article should have walls of uniform thickness.
- the thickness of the blank at different points therefore is such as would be produced by stretching the finished tubular article of the form shown into a substantially plane article.
- the blank need not have a ilat or absolutely IOO plane surface to be engaged by the mandrel, as shown; but the blank may be somewhat funnel-shaped. Furthermore, instead of moving the mandrel until the article is cylindrical or prismatic, as shown, the operation may be discontinued while the body is still conical or pyramidal-that is, widened or flaring at the top; also, by making the blank of sufficient diameter a ange may be produced at the open end of the inished article.
- the blank may be provided with ribs, preferably radial, as shown in Figs. 3, 4L, and 5. In the operation of the press these ribs are united with the remainder of the material, so that they will no more project therefrom; but they will materially strengthen the finished article. Such ribs may of course be provided as Well on polygonal or other blanks.
- I may also employ a blank with plain surfaces and produce thereon at the same time the hollow body is formed longitudinal ribs, either interiorly or exteriorly.
- the mandrel is grooved longitudinally
- the comparatively thin outer portion obviously is heated more than the thicker inner portion, and this is an advantage, since more heat is required at the outer portion, where the greatest contraction has to take place.
- the herein-described blank for a hollow body consisting of a plate whose thickness within a marginal portion extending from the periphery inward up to a predetermined distance from the center increases in such proportion that the area of similar concentric cross sections taken within said marginal portion at any distance from the center of the plate shall be constant, substantially as set forth.
Description
(No Model.)
C'. MEYER.
BLANK FOR MANUFACTURING HOLLOW BODIES. 1w 598,800. Patented Peb. 8, 18918.
` l er .ZM/6% m@ ATTO/Mers.
`Nrrn VSTATES Army CARL MEYER, OF DORTMUND, GERMANY.
SPECIFICATION forming partof Letters Patent No. 598,800, dated February. 8, 18.98.
Application filed April 21, 1897. Serial No. 633,197. (No model.) Patented in Germany July 23, 1895, No. 86,277.
To all whom t may concern,.-
Be it known that I, CARL MEYER, a subject of the King of Prussia, and a resident of Dortmund, in the Kingdom of Prussia, Empire of Germany, have invented new and useful Improvements in the Manufacture of Hollow Bodies, (which have been patented in Germany, No. 36,277, dated July 23, 1895,) of
Y which the following is a full, clear, and exact description.
My invention relates to the manufacture of seamless hollow bodies, and has for its obj ect to produce such bodies from plates or sheets without materially altering the original distance of the particles of material in a radial direction-that is, in a direction outward from the central portion of the blank..
To this end my invention consists in the novel features hereinafter described and claimed.
Reference is to be had to the accompanying gous views with still another form of blank,`
also with a different mandrel. Fig. 8 is a cross-section of a grooved mandrel such as shown in Figs. 6 and 7. Fig. 9 is a side elevation and a plan of a blank such as shown in Figs. l and 2; and Figs. lO, ll, and 12 are a plan, an edge view, and an elevation at a right angle to one of the side faces of a square blank shaped according to my invention.
In carrying out my invention I may employ any suitable form of press or die. The drawings show a matrix b, upon which is adapted to descendv the stamp c, receiving the inde- .pendentlymovable mandrel d. The blank a is adapted for insertion between the stamp c and 'the matrix b, the latter having a suitable cavity for this purpose.
The blank I employ is of peculiar formation. The thickness or shape of the central portion that is, the portion adapted to of the block shall be constant, or approXif mately so. These cross-sections are to be taken parallel to the outline of the mandrel, or of the central portion of the` blank, which, as arule,is parallel to the outline of the blank proper. Thus with a blank having a circular outline, as in Fig. 9, the cross-sections above mentioned will be cylindrical. When the blank has a square outline, the cross-sections will be according to quadrilateral (square) prisms, as indicated by dotted lines in Fig. 10.
The operation simply consists in heating the blank, (although this step may be omitted,) inserting it in the press, (see Figs. l, 3, and 6,) and actuating the mandrel to force the central portion of the blank through the matrix. The said central portion substantially retains its shape; but the marginal portion, which at iirst is `not directly engaged by the mandrel, is gradually forced inward to engage the peripheral surface of the mandrel. (See Figs. 2, 4E, and 7 In this operation the metal is not materially stretched in a radial directionthat is, the length of the hollow body produced is substantially equal to the width of the annular marginal portion of the blank. The blank, however, is contracted, the contraction obviously being greatest near the outline and least at the junction of the marginal portion with the central portion. The reason for making the marginal portion of the blank decreasing vin thickness outwardly will now be obvious. Where the contraction is greatest it causes the greatest increase in` thickness, and therefore the blank should be of `less thickness at such places if it is desired that the finished article should have walls of uniform thickness. The thickness of the blank at different points therefore is such as would be produced by stretching the finished tubular article of the form shown into a substantially plane article.
The blank need not have a ilat or absolutely IOO plane surface to be engaged by the mandrel, as shown; but the blank may be somewhat funnel-shaped. Furthermore, instead of moving the mandrel until the article is cylindrical or prismatic, as shown, the operation may be discontinued while the body is still conical or pyramidal-that is, widened or flaring at the top; also, by making the blank of sufficient diameter a ange may be produced at the open end of the inished article.
The blank may be provided with ribs, preferably radial, as shown in Figs. 3, 4L, and 5. In the operation of the press these ribs are united with the remainder of the material, so that they will no more project therefrom; but they will materially strengthen the finished article. Such ribs may of course be provided as Well on polygonal or other blanks.
I may also employ a blank with plain surfaces and produce thereon at the same time the hollow body is formed longitudinal ribs, either interiorly or exteriorly. In the former case the mandrel is grooved longitudinally,
(see Figs. 6, 7, and 8,) while in the latter case the grooves will be provided on the matrix.
When the blank is heated in order to facilitate the operation, the comparatively thin outer portion obviously is heated more than the thicker inner portion, and this is an advantage, since more heat is required at the outer portion, where the greatest contraction has to take place.
What I claim, and desire to secure by Letters Patent, is-
The herein-described blank for a hollow body, consisting of a plate whose thickness within a marginal portion extending from the periphery inward up to a predetermined distance from the center increases in such proportion that the area of similar concentric cross sections taken within said marginal portion at any distance from the center of the plate shall be constant, substantially as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
CARL MEYER.
Witnesses:
H. F. HEss, OTTO KNIG.
Publications (1)
Publication Number | Publication Date |
---|---|
US598800A true US598800A (en) | 1898-02-08 |
Family
ID=2667442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US598800D Expired - Lifetime US598800A (en) | Carl meyer |
Country Status (1)
Country | Link |
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US (1) | US598800A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877546A (en) * | 1953-06-09 | 1959-03-17 | Motor Wheel Corp | Method for forming tubular metal articles |
US3483723A (en) * | 1966-10-31 | 1969-12-16 | Tno | Process for the deep drawing of mainly cylindrical hollow objects from blanks and blank holder and drawing ring for carrying out the said process |
US3530699A (en) * | 1968-07-15 | 1970-09-29 | Ibm | Method of improving thermoformed components |
-
0
- US US598800D patent/US598800A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877546A (en) * | 1953-06-09 | 1959-03-17 | Motor Wheel Corp | Method for forming tubular metal articles |
US3483723A (en) * | 1966-10-31 | 1969-12-16 | Tno | Process for the deep drawing of mainly cylindrical hollow objects from blanks and blank holder and drawing ring for carrying out the said process |
US3530699A (en) * | 1968-07-15 | 1970-09-29 | Ibm | Method of improving thermoformed components |
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