US946332A - Process of and apparatus for producing building-work. - Google Patents
Process of and apparatus for producing building-work. Download PDFInfo
- Publication number
- US946332A US946332A US50522109A US1909505221A US946332A US 946332 A US946332 A US 946332A US 50522109 A US50522109 A US 50522109A US 1909505221 A US1909505221 A US 1909505221A US 946332 A US946332 A US 946332A
- Authority
- US
- United States
- Prior art keywords
- paris
- plaster
- work
- forms
- mold
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/57—Processes of forming layered products
Definitions
- the objectzof the invention i'sjthe'pr sion of a process offand" apparatus for-5p ducing the saidorna'mental elements or ad uncts, and this expeditiously and easily, and in such mannerthat the Work is left with a smooth, unbroken and'unmarred surface otherwise in a perfectly finished condition;
- Figure 1 is a perspective View of a mold upon which may 'befproduced a plurality of orms for use in provid my novel shell-like ing a building with an ornamental cornice in accordance. with-my invention.
- Fig. 2 is a perspective'view of one of said forms.
- Fig. 3 is a transverse section showing a form on the mold.
- Fig. 4 is a-fragmentary perspective view. illustrating a length of cornice in the production of which a plurality of forms such as shown in Figs. 2 and 3 may be used to advanta e.
- the mold A is gently tap ed with a hammer or the like, when the mo d will fall away from the form and leave the latter in perfect shape for use in the production of the shape that it is desired to produce in concrete, cement or other plastic material suit-able for building purposes.
- the placing of the burlap soaked with plaster of paris on the first pouring or layer or plaster of paris serves to hold the second pourin or layer of plaster of paris and to strongIy connect the same with the first pouring or layer.
- the parafiin coating referred to will have effectually prevented the concrete, cement or the like from adhering to the working surface of the form, and will also have prevented the plaster of paris in'the form from absorbing any of the water and time particles of cement which are forced to the outer sur face of the work when the plastic material constituting the same is tamped ,or placed under pressure. Consequently it will be understood that when the form or forms reerred to are removed, the fine particles of cement or fine cement will form a smooth and polished surface, and the form or forms will leave the work in a finished state and without stripping, breaking or otherwise marring the work.
- the process of producing a shell-like form which comprises pouring plastic plaster of paris on a mold, soaking a binder in plastic plaster of paris and applying the same to the layer of plastic plaster of paris on the mold, and then pouring plastic plaster of paris over the binder bearing plastic plaster of paris.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Description
L. CALLAHAN. PROCESS OF AND APPARATUS FOR PRODUCING BUILDING 946,332.
WORK.
APPLICATION FILED JUNE 30, 1909.
Patented Jan. 11, 1910.
INVENTOR- b 1 Allorney WITNESSES UNITED STATES PATENT OFFICE. V
BEE CALLAHAN, OF SAN DIEGO, CALIFORNIA;
rRooEss 01? AND APPARATUS FOR PRODUCING BuILDinG-wonm- Application filed June 38, 1909. Serial No. 505,!21.
, To all whom it may concern:
' which the following is a specification. 1
- My present invention has to do with build- Be it known that L'LEE'CALLAHAN, a citizen of the United States, residing at San Diego, in the county of San Diego and State of California, have invented new and useful Improvements in Processes "of and Apparatus for Producing Building-fork, of
ings eonstructed of concrete, cement or other plastic material appropriate to the purpose, and more particularly with the production of COI'HICGS and other ornamental elementspr adjuncts of-such buildings} v I The objectzof the invention i'sjthe'pr sion of a process offand" apparatus for-5p ducing the saidorna'mental elements or ad uncts, and this expeditiously and easily, and in such mannerthat the Work is left with a smooth, unbroken and'unmarred surface otherwise in a perfectly finished condition;
With the foregoing in mind, the inven-' tion will be fully understood from the fol lowing description and claim when thesame. are considered conjunctively with the a'c"- companying drawings, hereby made ajpart hereof, 1n which: Figure 1 is a perspective View of a mold upon which may 'befproduced a plurality of orms for use in provid my novel shell-like ing a building with an ornamental cornice in accordance. with-my invention. Fig. 2 is a perspective'view of one of said forms.
Fig. 3 is a transverse section showing a form on the mold. Fig. 4: is a-fragmentary perspective view. illustrating a length of cornice in the production of which a plurality of forms such as shown in Figs. 2 and 3 may be used to advanta e.
slmilar'letters of reference designate corresponding parts in all of the views of the drawings.
Precedent to entering into a detailed description of the characteristics and prac Specification of Letters Patent.
' sene Patented an. i 1,. 1910 umns, pedestals juncts of buildin crete, cement or' the I In practicing-my I mold A such "as shown in Fig. od 01 other material -.consonant w1th :its purpose,
and onytheqsaid?mold'I produceone or a plurality offsh ell-like forms such as shown in Fig. 2.:5 'By shell-like forms I mean concavo convex forms the outer sides ofwhich are ofsubstantially the same con figura-tion za theirlmn'er sides or working .b advantageousf becauseit rendersi the forn sYl -ight in weightjand alda ts feta-be handled with facility. l-
. 0' one form B is illustrated, it will Ibeunderstoodthat-j-in the pro notion of a length ofzwork suchas she in 'Fi 4, a number of forms B may be and pre erablyare employedgjthesaid forms being arranged jside b'y side and maintained inpo'sitlon by or other appropriate means, In the best known Way of producmg the shell-llke B, I cover the mold A with soft soap til the mold is thoroughly covered with the plaster of pairs coating. I'the'n take butlapithat has been previously-soaked in-plas; 'ter' of paris, and spread the same over the .first plaster of paris coating; the said firstcoating 'of plaster of paris being lettered as.
in Fig; 3', and the burla ei bearing plaster .of paris being lettered b. ver the burlap and ingled withasmall proportion'of kerov, Ithen pour plaster of paris, m afitlnn plastic state, over thesoap-covered mold unthe plaster of paris carried thereby I "pour or otherwise fplace a second layer or coating of plaster o paris in a plastic state, and this latter layer or coating which is lettered c is made of a thickness commensurate with the use to which the form is to be ut and the pressure or weight that it is deslgned to withstand. Then after the form has set for a period of'from thirty toforty minutes, the mold A is gently tap ed with a hammer or the like, when the mo d will fall away from the form and leave the latter in perfect shape for use in the production of the shape that it is desired to produce in concrete, cement or other plastic material suit-able for building purposes. It will here' be noted that as man quired for t e work in hand may be expeditiously and easily produced in succession on the mold in the manner described, and also that the shell-like form 1s light in of the forms as may be re-i weight so as to adapt it to be conveniently handled, and that the form is possessed of considerable strength and durability, notwithstanding its concavo-convex character, this latter being due in a measure to the bur lap bearing plaster of paris and interposed between the inner and outer layers a and 0 of the plaster of paris, so that the whole, when the plaster of paris hardens or is set, forms a homogeneous mass containing burlap calculated to serve as a strengthening binder. It will also be noted that during the production of the form, the placing of the burlap soaked with plaster of paris on the first pouring or layer or plaster of paris, serves to hold the second pourin or layer of plaster of paris and to strongIy connect the same with the first pouring or layer. I would further have it understood that when deemed expedient molds for different shapes of work, and forms corresponding to the said molds may be used before any of the forms are used to give shape to concrete, and in fact before the construction of a concrete building is commenced.
When the shell-like form B or a plurality of such forms are properly placed and maintained in position by shoring or other means suitable to the purpose, I coat the surface of the form or forms that are to give shape to the concrete evenly with parafiin or the equivalent thereof, and then the con crete, cement or other material is poured or otherwise placed in the form or forms, and the work is left until the concrete or other plastic material has hardened or set. At this time the form is removed from the work, when it will be found. that the parafiin coating referred to will have effectually prevented the concrete, cement or the like from adhering to the working surface of the form, and will also have prevented the plaster of paris in'the form from absorbing any of the water and time particles of cement which are forced to the outer sur face of the work when the plastic material constituting the same is tamped ,or placed under pressure. Consequently it will be understood that when the form or forms reerred to are removed, the fine particles of cement or fine cement will form a smooth and polished surface, and the form or forms will leave the work in a finished state and without stripping, breaking or otherwise marring the work. These practical advantages will be better appreciated when it is remembered that in the use of wood forms for giving shape to concrete and the like, the concrete sets or hardens beforethe wood becomes wet, and when the wood absorbs the moisture given off by the concrete, the concrete is caused to crack, and is stripped and broken when the wood form is removed.
It will be gathered from the foregoing that by the practice of my invention work of the character defined may be quickly produced with the expenditure of but a minimum amount of effort and with the assurance that when the form or forms are removed, the work will be left in a and unmarred state.
I have entered into a detailed description of the present and best known mode of putting my invention into effect in order to impart a full, clear and exact understandingof the process and the apparatus, but it is obvious that in the future practice of the invention such changes or modifications may be made as do not involve departure from the scope of my invention as defined in the claim appended.
Having described my invention, what I claim and desire to secure by Letters-Patent, is:
The process of producing a shell-like form, which comprises pouring plastic plaster of paris on a mold, soaking a binder in plastic plaster of paris and applying the same to the layer of plastic plaster of paris on the mold, and then pouring plastic plaster of paris over the binder bearing plastic plaster of paris.
In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.
LEE CALLAI-IAN.
Witnesses:
C. T. Hms'r, D. GoLARUe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50522109A US946332A (en) | 1909-06-30 | 1909-06-30 | Process of and apparatus for producing building-work. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50522109A US946332A (en) | 1909-06-30 | 1909-06-30 | Process of and apparatus for producing building-work. |
Publications (1)
Publication Number | Publication Date |
---|---|
US946332A true US946332A (en) | 1910-01-11 |
Family
ID=3014753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US50522109A Expired - Lifetime US946332A (en) | 1909-06-30 | 1909-06-30 | Process of and apparatus for producing building-work. |
Country Status (1)
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US (1) | US946332A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5221505A (en) * | 1992-01-21 | 1993-06-22 | Mcclure James B | Method for molding a wall structure |
-
1909
- 1909-06-30 US US50522109A patent/US946332A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5221505A (en) * | 1992-01-21 | 1993-06-22 | Mcclure James B | Method for molding a wall structure |
US5281382A (en) * | 1992-01-21 | 1994-01-25 | Mcclure James B | Method of making molds |
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