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US1824835A - Foot impression mold - Google Patents

Foot impression mold Download PDF

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Publication number
US1824835A
US1824835A US33495329A US1824835A US 1824835 A US1824835 A US 1824835A US 33495329 A US33495329 A US 33495329A US 1824835 A US1824835 A US 1824835A
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Prior art keywords
mold
foot
sections
figure
upper
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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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Frederick J Pierce
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Frederick J Pierce
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43DMACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D1/00Foot or last measuring devices; Measuring devices for shoe parts
    • A43D1/02Foot-measuring devices
    • A43D1/022Foot-measuring devices involving making footprints or permanent moulds of the foot
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/30Use of anatomy in making a mold or using said mold

Description

Sept. 29, 1931. F. J. PIERCE FOOT IMPRESSION MOLD Filed Jan. 25. 1929 In venior Z reierz'cn Jfirce Attorney Patented Sept. 29, 1931 UNITED, STATES ATENT- OFFIC FREDERICK J. PIERCE, or sAn-ANAo LAKE, nnwyo'nk room rivrrnnssxon MOLD Application filed January 25,1929Q-iSeria1 No. 334,953.,

supports, foot braces, elastic stockings or other mechanical device or support which may prescribed by a doctor, surgeonor chiropodist.

Briefly stated, the device comprises a mold of foot shaped .design embodying a base, and

a sectional foot shaped shell for confining the plaster of Paris about the foot to produce accurate impressions.

In the drawings:

Figure 1 is a side elevational view of the improved mold, showing the manner in which the cast is made and indicating the foot positioned therein in dotted lines.

F i ure 2 is a view of the mold with the ID sections of the shell swung open.

Figure 3 is a vertical sectional view through the mold.

In the drawings, the reference character. 6 designates a main base which 1S of approprl-v so ate dimensions and somewhat ovate in outline. This is provided on its bottom with rubber tipped rests or supporting feet 7. Rising from the back of the plate isa pintle 8 on which the sections of the shell like mold 9 are hingedly mounted. As shown in Figure 2, the shell is made up of a pair of duplicate half sections and each section is composed of a lower portion 10 and an upper portion 11. The upper portion in each instance has an opening 12 formed therein and on the outside and in register with the openingis the small receptacle 13 operated as a funnel. As before indicated this mold is of general foot shaped form. In carrying out the molding process,

I provide a toe shield 14c so constructedas to permit it to be fitted over the toes to prevent accumulation of the plaster of Paris between the toes. In addition, I provide a pair of wires or tapes 15 and 16 located in the front and back portions of the mold respectively as 'shownin Figure 1 and centrally arranged in order-to serve 1n slicingthe plaster of Paris cast into half sections to permit removal."

, The reference character 17- in Figure 3, deslgnates. a pad which is placed upon the top of the mainbase .6. 'This pad is preferably constructed of two similar, sections of cardboard -18.

A suitable retaining clip 25 maybe attached to the main base, to hold thesections ofth'e mold closed. Anyappropriate fastening meansmay be employed for this purjpose s'such as hook and eyes or mere pivoted clips.

The method of use is as follows: The foot should be clean and dry with the hair shavedoff up to about three inches above the ankle joint. The removable toe shield or protector is then slipped over the fore foot in order to cover the toes as indicated in dotted lines in Figure 1. Then apply petroleum jelly or dust the footthoroughly with talcum powder, rubbing it Well into the pores, I then place the oval shaped cardboard pad on the main platform of the foot impress and place the foot as nearly in themiddle as'possible.

The wires or tapes 15 are then placed in position; Itis the object here to place the v wire 15 up and over the forward portion and ankle somewhat as indicated in Figure 1 and to place the wire 16 against the heel and extended up and out through the top of the mold. The extended end portion may be attached to prevent temporary displacement by wrapping a piece of adhesive tape around the ankle and wire end.

The patient'may sit' on a chair but preferably assumes a standing posture with the body weight equally distributed on both feet. 1

The sections of the mold arethen closed, it being necessary to first close the lower portions 10 of the halfsections and to temporarily leave the upper portions 11 of saidhalf sections open, I disolve gradually the contents of one box of plaster of Paris in an appropriate amount of lukewarm water,

stirring constantly until a free flowing plaster of Paris is obtained, and I then pour it into the closed lower, section or division of from the foot. the pad 17 adheres to the plaster of Paris the mold. Then the upper portions 11 are closed and fastened in place and the remaining plaster is poured into them through the funnels 13 and the openings 12, the mold being filled to substantially the top. The a 7 foot is allowed to remain here for a predetermined length of time. Then the mold is opened and wires 15 and 16 are pulled down to slice the cast into two parts. Then I remove the two sections or parts of the cast The cardboard section of cast. 1 7

It is believed that by considering the description in connection with the drawings, a

clear understanding of the operation, con- 7 struct1on,and features and advantages oi the inventionwill be clear. Consequently a more lengthy description will be regarded as unnecessary. 7

Minor changes in the shape, size and rearrangement of parts coming within the field of invention claimed may be resorted to, if desired. 7 V

I claim.

In a structure of the class described, substantially ovate base plate having support- I ing feet, a hinge pintle connected to and rising from one end of said plate, a foot shaped molding shell comprising a pair of duplicate halfsections hingedly mounted on said pintle, each half section being composed of upper and lower relatively swingableportions, said upper portions being formed with filler openings, and adjacent receptacles mounted'on and projecting laterally from the sides of the upper portions and communicating with the openings and operating as funnels, I

In testimony whereof Iafiix my signature. I

FREDERICK J. PIERCE.

US1824835A 1929-01-25 1929-01-25 Foot impression mold Expired - Lifetime US1824835A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2708773A (en) * 1951-08-06 1955-05-24 Herman W Richter Method for making molds
WO1993008008A1 (en) * 1991-10-21 1993-04-29 George Carl Riecken Foot orthosis and method
US5364580A (en) * 1992-05-19 1994-11-15 Mark Prent Body part mold system
US5578260A (en) * 1994-10-06 1996-11-26 Desena; Danforth Apparatus and process for making a mold of the foot, ankle, and lower leg
US8627824B2 (en) 2009-02-24 2014-01-14 Robert Grant Koehler Support assembly for an ear

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2708773A (en) * 1951-08-06 1955-05-24 Herman W Richter Method for making molds
WO1993008008A1 (en) * 1991-10-21 1993-04-29 George Carl Riecken Foot orthosis and method
US5275775A (en) * 1991-10-21 1994-01-04 Riecken George C Method for making an insole
US5358394A (en) * 1991-10-21 1994-10-25 Riecken George C Apparatus for making an insole
US5364580A (en) * 1992-05-19 1994-11-15 Mark Prent Body part mold system
US5578260A (en) * 1994-10-06 1996-11-26 Desena; Danforth Apparatus and process for making a mold of the foot, ankle, and lower leg
US8627824B2 (en) 2009-02-24 2014-01-14 Robert Grant Koehler Support assembly for an ear

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