US1599423A - Permanent-mold construction - Google Patents
Permanent-mold construction Download PDFInfo
- Publication number
- US1599423A US1599423A US51724A US5172425A US1599423A US 1599423 A US1599423 A US 1599423A US 51724 A US51724 A US 51724A US 5172425 A US5172425 A US 5172425A US 1599423 A US1599423 A US 1599423A
- Authority
- US
- United States
- Prior art keywords
- mold
- permanent
- insert
- molten metal
- metal
- 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
- 238000010276 construction Methods 0.000 title description 4
- 239000002184 metal Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 17
- 230000008018 melting Effects 0.000 description 12
- 238000002844 melting Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
-
- 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
- This invention relates to a permanent mold, and has for its object the construction of a mold which is provided with a, protective insert at any critical part, as for instance around the sprue opening.
- Fig.3 is a horizontal section taken on the line 3 -3 of 'Fig. 1.-
- a permanent mold section a which is ordinarily made of cast iron and has mold cavities 2. These molds are provided with a coating or lining of insulating material for preventing the molten metal from ordinarily fusing with the mold.
- the melting'point of the permanent mold' is quite close to the'melting point of the molten metal which is poured therein to form the casting, but due to the protective lining in the mold the casting does notordinarily fuse to the mold.
- This protective lining may be of fire-clay, kieselguhr etc., or the metal may be impreg-' nated with some substance such as zinc, etc.
- the molten metal is poured in at a slightly higher temperature than usua'l,-or the insulation normally in the mold at these points may be deteriorated or broken down to some extent, thus permitting the .molten metal to come into contact with the metal of the mold.
- Tl e temperature of the-molten metal is ordinarily hottest around this sprue opening, pouring basin, or gate, and it is my object to provide an insert for the, mold at this point which eliminates any chance of the molten metal fusing to the mold.
- the melting point of this insert may be as high as desired so as to avoid any likelihood of the molten metal from fusing thereto, due to any of the above mentioned reasons.
- This insert may be secured to the mold by bolting the same thereto by the bolts (1 as shown in Fig. 2, or the same may be cast in the mold section when it is made. It is immaterial just What-means are used for securing the sub-mold section to the mold.
- What'I claim is 1.
- a permanent mold in which part of the' same is formed of a metalhaving' a higher melting point than theremainmg part'of the mold for protecting a critical part of the mold.
- a permanent mold having a sprue opening, pouring basin and gate, .and made ofa. material having a melting point approximating the melting point of the molten material poured therein, and which is provided with a metal insert of another material having a relatively'higher melting point than the rest of the mold and which forms'the sprue opening, pouring basin, gate and part of the mold cavity Wall to prevent the 'molten metal from fusing to the mold.
- a permanent. metallic mold having a sprue opening and which is provided with an insert of another metal having a highen melting point than the rest of the mold and which surrounds the sprue'opening to prevent the molten metal from fusing to the mold.
- a permanent mold having a sprue opening and which is provided adjacent said opening with a metal insert of higher melting point.
- a permanent mold having a sprue opening, and a critical portion, saidmold poured the rein A being provided with almetal insert at such critical portion and .with an insert positioned adjacent said sprue opening, said inserts having a higher melting: point than other parts of the mold.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
Sept. 14 1926. 1,599,423
H. 5. LEE
PERMANENT MOLD CONSTRUCTION Filed August 22, 192E- HHIHHI' ulllllln 17 INVENTOR.
Patented Sept. 14, 1926.
PAT
ENT OFFICE.
HARRY S. LEE, OF PLYMOUTH, MICHIGAN.
PERMANENT-MOLD CONSTRUCTION.
I Application filed August 22, 1925. Serial No. 51,724.
This invention relates to a permanent mold, and has for its object the construction of a mold which is provided with a, protective insert at any critical part, as for instance around the sprue opening. The ob.
ject of this insert is to protect the metal of Fig. 2 is a vertical section on theline 2-2 of Fig. 1.,
Fig.3 is a horizontal section taken on the line 3 -3 of 'Fig. 1.-
We have shown the usual form of a permanent mold section a which is ordinarily made of cast iron and has mold cavities 2. These molds are provided with a coating or lining of insulating material for preventing the molten metal from ordinarily fusing with the mold. The melting'point of the permanent mold'is quite close to the'melting point of the molten metal which is poured therein to form the casting, but due to the protective lining in the mold the casting does notordinarily fuse to the mold. This protective lining may be of fire-clay, kieselguhr etc., or the metal may be impreg-' nated with some substance such as zinc, etc.
However, it is 'found that occasionally the molten metal fuses to the mold especially around the sprue opening I), pouring basin, or gate or some other critical point.
This may be due to the fact that the molten metal is poured in at a slightly higher temperature than usua'l,-or the insulation normally in the mold at these points may be deteriorated or broken down to some extent, thus permitting the .molten metal to come into contact with the metal of the mold.- Tl e temperature of the-molten metal is ordinarily hottest around this sprue opening, pouring basin, or gate, and it is my object to provide an insert for the, mold at this point which eliminates any chance of the molten metal fusing to the mold.
To accomplish this we insert in the mold an insert 0 of a difierent material and which has a higher melting. point than the melting point of the metal of the mold. The melting point of this insert may be as high as desired so as to avoid any likelihood of the molten metal from fusing thereto, due to any of the above mentioned reasons. This insert may be secured to the mold by bolting the same thereto by the bolts (1 as shown in Fig. 2, or the same may be cast in the mold section when it is made. It is immaterial just What-means are used for securing the sub-mold section to the mold.
What'I claim is 1. A permanent mold in which part of the' same is formed of a metalhaving' a higher melting point than theremainmg part'of the mold for protecting a critical part of the mold.
2. A permanent mold having a sprue opening, pouring basin and gate, .and made ofa. material having a melting point approximating the melting point of the molten material poured therein, and which is provided with a metal insert of another material having a relatively'higher melting point than the rest of the mold and which forms'the sprue opening, pouring basin, gate and part of the mold cavity Wall to prevent the 'molten metal from fusing to the mold. A
3. A permanent. metallic mold having a sprue opening and which is provided with an insert of another metal having a highen melting point than the rest of the mold and which surrounds the sprue'opening to prevent the molten metal from fusing to the mold.
4. A permanent mold having a sprue opening and which is provided adjacent said opening with a metal insert of higher melting point. r
5. A permanent mold having a sprue opening, and a critical portion, saidmold poured the rein A being provided with almetal insert at such critical portion and .with an insert positioned adjacent said sprue opening, said inserts having a higher melting: point than other parts of the mold.
In testimony whereof I have afiixed my signature.
HARRY s. LEE,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51724A US1599423A (en) | 1925-08-22 | 1925-08-22 | Permanent-mold construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51724A US1599423A (en) | 1925-08-22 | 1925-08-22 | Permanent-mold construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1599423A true US1599423A (en) | 1926-09-14 |
Family
ID=21972988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US51724A Expired - Lifetime US1599423A (en) | 1925-08-22 | 1925-08-22 | Permanent-mold construction |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1599423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3015716A (en) * | 1959-08-06 | 1962-01-02 | Arthur D Pelkey | Mold for use in welding chain links |
| US3504733A (en) * | 1966-05-02 | 1970-04-07 | Dresser Ind | Die casting mold assembly |
-
1925
- 1925-08-22 US US51724A patent/US1599423A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3015716A (en) * | 1959-08-06 | 1962-01-02 | Arthur D Pelkey | Mold for use in welding chain links |
| US3504733A (en) * | 1966-05-02 | 1970-04-07 | Dresser Ind | Die casting mold assembly |
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