US724243A - Fusible pattern. - Google Patents

Fusible pattern. Download PDF

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Publication number
US724243A
US724243A US9086602A US1902090866A US724243A US 724243 A US724243 A US 724243A US 9086602 A US9086602 A US 9086602A US 1902090866 A US1902090866 A US 1902090866A US 724243 A US724243 A US 724243A
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United States
Prior art keywords
fusible pattern
baldt
frederick
bismuth
casting
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Expired - Lifetime
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US9086602A
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Frederick Baldt Sr
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Individual
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Priority to US9086602A priority Critical patent/US724243A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent

Description

UNITED STATES PATENT OFFICE.
FREDERICK BALDT, SRl, OF CHESTER, PENNSYLVANIA.
FUSIBLE PATTERN.
SPECIFICATION forming part of Letters Patent No. 724,243, dated March 31, 1903. Application filed January 23, 1902. Serial No. 90,866- (No model.)
To all whom it may concern:
Be it known that I, FREDERICK BALDT, Sn, a citizen of the United States, residingin, the city of Chester, county of Delaware, State of Pennsylvania, have invented a new and useful Improvement in a Fusible Pattern for Use in Casting, of which the following is a specification.
My invention consists of an improvement in a fusible pattern for use in casting, and more especially to be employed in the making of molds for casting.
My fusible pattern is formed of a composition consisting of the following ingredients, namely: lead, bismuth, and zinc.
I employ equal parts of lead, bismuth, and zinc, and these ingredients are combined in a molten state to form an alloy, it being evident that the same is of such a character that it will melt at a comparatively low temperature, and yet can be handled when cool.
- metal can be poured into the space formerly occupied by the fusible pattern, and the object thus cast will be without fins or protuberances.
I claim- As an improved article of manufacture, a
fusible pattern composed of lead, bismuth 35 and zinc in substantially equal proportions.
FREDERICK BALDT, SR.
Witnesses:
WM. CANER WIEDERSHEIM, O. D. MCVAY.
US9086602A 1902-01-23 1902-01-23 Fusible pattern. Expired - Lifetime US724243A (en)

Priority Applications (1)

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US9086602A US724243A (en) 1902-01-23 1902-01-23 Fusible pattern.

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US9086602A US724243A (en) 1902-01-23 1902-01-23 Fusible pattern.

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US724243A true US724243A (en) 1903-03-31

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US9086602A Expired - Lifetime US724243A (en) 1902-01-23 1902-01-23 Fusible pattern.

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