US3435A - Improvement in molds for butt-hinges - Google Patents

Improvement in molds for butt-hinges Download PDF

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Publication number
US3435A
US3435A US3435DA US3435A US 3435 A US3435 A US 3435A US 3435D A US3435D A US 3435DA US 3435 A US3435 A US 3435A
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United States
Prior art keywords
butt
hinge
hinges
molds
improvement
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes

Definitions

  • the back part of the moldl of the half-hinge is then formed from the pattern exhibited in drawing annexed hereto, (marked B.)
  • the half hinge is then cast in the usual Way from the mold formed as above.
  • the drag or bottom part of the mold for the remaining half of the hinge is then formed from the pattern reprel sented by drawing annexed, (marked C.)
  • the half-hinge already cast from the mold first formed and mentioned (a hole for the wroughtiron wire having been iirst drilled through it) is then inserted into the blank side of the mold last made, in the usual mode.
  • the mold for the back part of this last part of the hinge is then made from the pattern represented in drawing D, and then is formed the complete mold for the remaining portion of the hinge.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Adornments (AREA)

Description

NITED STATES PATENT OEEIcEQ i B. F. HARLEY AND J. D. MORRIS, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN MOLDS FOR BUTT-HINGES.
Speciiication forming part of Letters PatentvNo. 3,435, dated February 12, 15441.
To all whom/it may concern.- Be it known that we, BENJAMIN F. HARLEY and JOHN D. MORRIS, ofthe city of Philadelphia, State of Pennsylvania, have invented a new and Improved Mode of Molding and Gasting Double-Jointed Fast-Joint Iron Butt- I-Iinges without the use of cores or chills, of which we hereby declare the following toA be a full and exact description, reference being made to the annexed drawings, making a part of this specification. The nature of our invention consists in the use ot'a pattern exhibited in the drawing hereto annexed, (marked A,) from which is impressed immediately on thesand the drag or bottom part of the mold of the halt-hinge. The back part of the moldl of the half-hinge is then formed from the pattern exhibited in drawing annexed hereto, (marked B.) The half hinge is then cast in the usual Way from the mold formed as above. The drag or bottom part of the mold for the remaining half of the hinge is then formed from the pattern reprel sented by drawing annexed, (marked C.) The half-hinge already cast from the mold first formed and mentioned (a hole for the wroughtiron wire having been iirst drilled through it) is then inserted into the blank side of the mold last made, in the usual mode. The mold for the back part of this last part of the hinge is then made from the pattern represented in drawing D, and then is formed the complete mold for the remaining portion of the hinge.
What we claim for our invention, and desire' to secure by Letters Patent, is-
The above-described inode of molding the first above-described half-hinge directly from the pattern, as exhibited by drawings A and l
US3435D Improvement in molds for butt-hinges Expired - Lifetime US3435A (en)

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US3435A true US3435A (en) 1844-02-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2132771A1 (en) * 1971-04-09 1972-11-24 Banyu Pharma Co Ltd
US20030224522A1 (en) * 2002-05-01 2003-12-04 De Jong Gary Methods for delivering nucleic acid molecules into cells and assessment thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2132771A1 (en) * 1971-04-09 1972-11-24 Banyu Pharma Co Ltd
US20030224522A1 (en) * 2002-05-01 2003-12-04 De Jong Gary Methods for delivering nucleic acid molecules into cells and assessment thereof

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