US3002250A - Construction of cast posts, and particularly the construction of concrete struts by means of metallic frames - Google Patents

Construction of cast posts, and particularly the construction of concrete struts by means of metallic frames Download PDF

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Publication number
US3002250A
US3002250A US345917A US34591753A US3002250A US 3002250 A US3002250 A US 3002250A US 345917 A US345917 A US 345917A US 34591753 A US34591753 A US 34591753A US 3002250 A US3002250 A US 3002250A
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panels
construction
dimensions
struts
gussets
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US345917A
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Huet Roger
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Blaw Knox Co
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Blaw Knox Co
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
    • E04G13/025—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions with stiff clamping means bracing the back-side of the form without penetrating the forming surface

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  • the invention relates to the construction of cast posts, and particularly the construction of concrete struts by means of metallic frames.
  • a first solution consists in using panels of various dimensions. It is then possible to connect together panels of different dimensions and obtain in this manner struts of varied dimensions. For example, by using in combination panels of 10, 15, 20, 2S and 50 centimetres, it is possible to construct struts the sides of which vary in length by steps of centrimetres. However, the use of such a large number of panels is objectionable in practice.
  • the second solution consists in shuttering the struts by means of panels of standard dimensions so disposed that the free edge of a panel abuts against one of the adjacent panels and that the latter panel itself constitutes an abutment for another adjacent panel.
  • the panels abutting against each other are connected at the corners by gussets placed on the edge of the panels between two superposed tiers of frames.
  • the invention has for its object to obviate the drawbacks of the metallic frames hitherto in use, and to allow the use of metallic panels of standard size and assembling gussets which do not require sets of packings.
  • two successive slabs of panels are connected by stays constituted by flat sections, each flat section being provided with a gusset inside which slides one of the adjacent flat sections.
  • the flat sections and the panels may besides be provided with orifices serving to anchor them to each other.
  • FIG. 1 is a plan showing the manner of anchoring the panels in one of the methods formerly in use, necessitating the use of packings blocking the chinks between the gussets.
  • FIG. 2 is a part section of a frame according to the invention.
  • FIG. 3 is a plan of an assembling gusset.
  • FIG. 1 shows panels 1, 2, 3 and 4 abutting against each other by one of their free edges.
  • a slab of frame is assembled with the next slab by means of angle gustates Patent "ice sets 5 connecting together the panels of a same slab.
  • packings are disposed in the spaces existing between the gussets and the panel slabs.
  • the packings are of two diiferent dimensions, 6 and 7. It will be easily understood that there must be available packings of very varied dimensions in order to allow for the considerable variation taking place in the dimensions of the sections of the struts.
  • FIGS. 2 and 3 relate to the frames according to the invention and one may ascertain from them that the packings 6 and 7 are entirely done away with and that only one kind of each member, that is to say one kind of panel and one kind of assembling gusset is utilised.
  • some diflerent dimensions may be provided in order to allow for very great variations in the sections of the struts, but on the one hand this is not indispensable, and on the other hand one may have only a very small quantity of panels of diiferent sizes.
  • the panels 8 are disposed in a similar manner to the panels represented in FIG. 1.
  • metallic strips 9 (FIG. 3) provided with spaced perforations or openings 10 which permit on the one hand to fix these strips on the edges of the panels and on the other hand to connect the panels to each other.
  • Each strip 9 is provided with a gusset 11 which is in a different plane from the plane of the strip 9.
  • Each gusset 11 is provided with a channel 12 the width of which corresponds to the width of a strip 9 so that it is adapted to receive the latter.
  • the gussets 11 are provided with a plurality of spaced perforations or openings 13 adapted to receive pins which fix in position the strips 9 engaged in the channels 12 of the gussets.
  • the strips 9 are substituted for the packings of varied dimensions 6 and 7.
  • the dimensions of the strut may be adjusted easily in steps as small as desired owing to the number of perforations 10 and 13, provided in the strips 9 and the gussets 11, respectively.
  • the dimensions of the strut may be adjusted with a small approximation, this being dependent on the ratio of the spacing of the perforations in the panels and in the flat sections, respectively.
  • a metallic frame for casting concrete struts comprising four like panels of standard dimensions arranged to enclose a rectangular quadrilateral the dimensions of which are adjustable, the said panels being disposed at right angles to each other with the end edge of one abutting against a face of the next inwardly of the adjacent end thereof, a metallic strip disposed on the horizontal edge of each panel externally of said opening and extending between the two panels at right angles to the panel on which said strip lies, means connecting each strip to its panel externally of the panel walls, a gusset fixed at one end of each metallic strip externally of the panels and having an open-ended channel disposed at a right angle to the longitudinal axis of the strip, each such channel being dimensioned to receive and engage the ungusseted end of the next contiguous metallic strip, each of the meatlic strips and gussets being provided with a plurality of spaced perforations, and pin means for locking the strips and gussets in adjusted relationship through such perforations.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

Oct. 3, 1961 CONSTRUCTION OF CONCRETE STRUTS BY MEANS OF METALLIC FRAMES Filed March 31, 1955 Hg. I
' R. HUET CONSTRUCTION OF CAST POSTS, AND PARTICULARLY THE in nu III] M II] M an Ill nite The invention relates to the construction of cast posts, and particularly the construction of concrete struts by means of metallic frames.
The construction of concrete struts is one of the problems most often met with in public Works and building construction. This problem is however often of diflicult solution owing to the great variety presented by the section of these struts, while the metallic panels used for the frames have standardised dimensions.
Up to now, this problem has been solved in two ditferent manners.
A first solution consists in using panels of various dimensions. It is then possible to connect together panels of different dimensions and obtain in this manner struts of varied dimensions. For example, by using in combination panels of 10, 15, 20, 2S and 50 centimetres, it is possible to construct struts the sides of which vary in length by steps of centrimetres. However, the use of such a large number of panels is objectionable in practice.
The second solution consists in shuttering the struts by means of panels of standard dimensions so disposed that the free edge of a panel abuts against one of the adjacent panels and that the latter panel itself constitutes an abutment for another adjacent panel. In this case, the panels abutting against each other are connected at the corners by gussets placed on the edge of the panels between two superposed tiers of frames.
This arrangement is an improvement on the former one, but it nevertheless still has drawbacks. As a matter of fact, in order to avoid chinks in the framework, it is necessary to place, between the gussets and the edges of the panels, packings which form joints between the gussets. These packings must have varied sizes in order to allow for the varied panel sections and this leads to the provision of sets of packings of different dimensions. In short, the difiiculty has but changed its nature and, instead of having to deal with sets of panels, one has to deal with standard dimension panels but with relatively numerous sets of packings.
The invention has for its object to obviate the drawbacks of the metallic frames hitherto in use, and to allow the use of metallic panels of standard size and assembling gussets which do not require sets of packings.
According to the invention, two successive slabs of panels are connected by stays constituted by flat sections, each flat section being provided with a gusset inside which slides one of the adjacent flat sections.
The flat sections and the panels may besides be provided with orifices serving to anchor them to each other.
The invention will now be described in greater details with reference to the accompanying drawings, which represent a preferred embodiment given by way of example.
FIG. 1 is a plan showing the manner of anchoring the panels in one of the methods formerly in use, necessitating the use of packings blocking the chinks between the gussets.
FIG. 2 is a part section of a frame according to the invention.
FIG. 3 is a plan of an assembling gusset.
FIG. 1 shows panels 1, 2, 3 and 4 abutting against each other by one of their free edges. A slab of frame is assembled with the next slab by means of angle gustates Patent "ice sets 5 connecting together the panels of a same slab. In order to avoid the chinks between the gussets, packings are disposed in the spaces existing between the gussets and the panel slabs.
In the assembly shown in FIG. 1 the packings are of two diiferent dimensions, 6 and 7. It will be easily understood that there must be available packings of very varied dimensions in order to allow for the considerable variation taking place in the dimensions of the sections of the struts.
FIGS. 2 and 3 relate to the frames according to the invention and one may ascertain from them that the packings 6 and 7 are entirely done away with and that only one kind of each member, that is to say one kind of panel and one kind of assembling gusset is utilised. Of course, besides, some diflerent dimensions may be provided in order to allow for very great variations in the sections of the struts, but on the one hand this is not indispensable, and on the other hand one may have only a very small quantity of panels of diiferent sizes.
The panels 8 are disposed in a similar manner to the panels represented in FIG. 1. On the horizontal edges of the panels are disposed metallic strips 9 (FIG. 3) provided with spaced perforations or openings 10 which permit on the one hand to fix these strips on the edges of the panels and on the other hand to connect the panels to each other. Each strip 9 is provided with a gusset 11 which is in a different plane from the plane of the strip 9. Each gusset 11 is provided with a channel 12 the width of which corresponds to the width of a strip 9 so that it is adapted to receive the latter.
In this manner, four strips 9 can be assembled, each one of these strips being engaged in the adjacent gusset 11. The arrangement represented in FIG. 2. is thus obtained.
The gussets 11 are provided with a plurality of spaced perforations or openings 13 adapted to receive pins which fix in position the strips 9 engaged in the channels 12 of the gussets.
According to the invention, the strips 9 are substituted for the packings of varied dimensions 6 and 7.
The dimensions of the strut may be adjusted easily in steps as small as desired owing to the number of perforations 10 and 13, provided in the strips 9 and the gussets 11, respectively.
The advantages of the arrangement described above are the following:
(a) The assembly of panels is made with a single kind of packing of one dimension only and not with packings of multiple dimensions, as in the former arrangement.
(b) The dimensions of the strut may be adjusted with a small approximation, this being dependent on the ratio of the spacing of the perforations in the panels and in the flat sections, respectively.
(0) The angular rigidity of the frames is ensured in a perfect manner by the gussets.
It is well understood that the invention is not limited to the embodiment described and represented in the drawings, which embodiment may be modified in details without departing from the scope of the invention, as defined by the claim.
What I claim is:
A metallic frame for casting concrete struts comprising four like panels of standard dimensions arranged to enclose a rectangular quadrilateral the dimensions of which are adjustable, the said panels being disposed at right angles to each other with the end edge of one abutting against a face of the next inwardly of the adjacent end thereof, a metallic strip disposed on the horizontal edge of each panel externally of said opening and extending between the two panels at right angles to the panel on which said strip lies, means connecting each strip to its panel externally of the panel walls, a gusset fixed at one end of each metallic strip externally of the panels and having an open-ended channel disposed at a right angle to the longitudinal axis of the strip, each such channel being dimensioned to receive and engage the ungusseted end of the next contiguous metallic strip, each of the meatlic strips and gussets being provided with a plurality of spaced perforations, and pin means for locking the strips and gussets in adjusted relationship through such perforations.
References Cited in the file of this patent UNITED STATES PATENTS 779,319 Russell Jan. 3, 1905 Ki-llits June 2, Butterworth Feb. 9, Meyer Sept. 28, Pembetrton May 16, Newton Nov. 16, Symons Mar. 5, Symons Mar. 17, Venard June 8, Otte et a1 May 6,
FOREIGN PATENTS France Apr. 28,
US345917A 1952-08-12 1953-03-31 Construction of cast posts, and particularly the construction of concrete struts by means of metallic frames Expired - Lifetime US3002250A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223865A (en) * 1978-08-18 1980-09-23 Flores Salomon S Molding assembly for forming winding arbors
US4789129A (en) * 1987-08-14 1988-12-06 Eastman Kodak Company Adjustable mold for forming containers
US4792112A (en) * 1987-08-14 1988-12-20 Eastman Kodak Corporation Mold for forming container adapter
US6676102B1 (en) * 2000-02-18 2004-01-13 Symons Corporation Adjustable modular form system and method for rectilinear concrete column form
US20040187414A1 (en) * 2003-03-24 2004-09-30 France Couture Prefabricated building system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US779319A (en) * 1904-11-14 1905-01-03 John C Russell Adjustable mold for reinforced concrete construction.
US1099055A (en) * 1912-11-04 1914-06-02 Morris J Killits Mold-clamp.
US1127585A (en) * 1915-02-09 Samuel D Butterworth Clamp.
US1154998A (en) * 1915-03-12 1915-09-28 Charles Louis Meyer Mold for concrete columns.
US1183319A (en) * 1915-10-11 1916-05-16 John Wilmer Pemberton Method of mold-making.
US1606892A (en) * 1926-05-29 1926-11-16 Linnaeus S Newton Form clamp
US1704307A (en) * 1928-03-12 1929-03-05 Symons Clamp & Mfg Company Form clamp
US1796771A (en) * 1928-03-12 1931-03-17 Symons Clamp & Mfg Company Form clamp
FR921140A (en) * 1945-10-30 1947-04-28 Formwork device for concrete structures
US2443059A (en) * 1946-06-10 1948-06-08 William G Venard Column form
US2595286A (en) * 1948-11-30 1952-05-06 Lowell M Otte Sectional metal concrete column form

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1127585A (en) * 1915-02-09 Samuel D Butterworth Clamp.
US779319A (en) * 1904-11-14 1905-01-03 John C Russell Adjustable mold for reinforced concrete construction.
US1099055A (en) * 1912-11-04 1914-06-02 Morris J Killits Mold-clamp.
US1154998A (en) * 1915-03-12 1915-09-28 Charles Louis Meyer Mold for concrete columns.
US1183319A (en) * 1915-10-11 1916-05-16 John Wilmer Pemberton Method of mold-making.
US1606892A (en) * 1926-05-29 1926-11-16 Linnaeus S Newton Form clamp
US1704307A (en) * 1928-03-12 1929-03-05 Symons Clamp & Mfg Company Form clamp
US1796771A (en) * 1928-03-12 1931-03-17 Symons Clamp & Mfg Company Form clamp
FR921140A (en) * 1945-10-30 1947-04-28 Formwork device for concrete structures
US2443059A (en) * 1946-06-10 1948-06-08 William G Venard Column form
US2595286A (en) * 1948-11-30 1952-05-06 Lowell M Otte Sectional metal concrete column form

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223865A (en) * 1978-08-18 1980-09-23 Flores Salomon S Molding assembly for forming winding arbors
US4789129A (en) * 1987-08-14 1988-12-06 Eastman Kodak Company Adjustable mold for forming containers
US4792112A (en) * 1987-08-14 1988-12-20 Eastman Kodak Corporation Mold for forming container adapter
US6676102B1 (en) * 2000-02-18 2004-01-13 Symons Corporation Adjustable modular form system and method for rectilinear concrete column form
US20040187414A1 (en) * 2003-03-24 2004-09-30 France Couture Prefabricated building system

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