CA1115082A - Foundation beam and plant for the manufacture thereof - Google Patents
Foundation beam and plant for the manufacture thereofInfo
- Publication number
- CA1115082A CA1115082A CA333,541A CA333541A CA1115082A CA 1115082 A CA1115082 A CA 1115082A CA 333541 A CA333541 A CA 333541A CA 1115082 A CA1115082 A CA 1115082A
- Authority
- CA
- Canada
- Prior art keywords
- foundation beam
- concrete
- foundation
- recesses
- stationary part
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Foundations (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
CANADIAN PATENT APPLICATION
OF
ANKARSWEDSHUS AB V.ANG.STER.ANG.S
FOR
FOUNDATION BEAM AND PLANT FOR THE MANUFACTURE THEREOF
Abstract of the Disclosure A foundation beam intended to constitute a re-maining form or shuttering and edge boundary for a house foundation. The foundation beam is of L-shaped cross-section and along its length it has equidistant recesses which are provided with fastening means for retaining re-inforcement irons fitted in the foundation cast in situ.
A plant is also provided for making said foundation beam and this consists of an upwardly open form provided with preferably movable side form parts and a stationary inner form part, whereby two foundation beams turned upside down can be manufactured by pairs at the same time.
OF
ANKARSWEDSHUS AB V.ANG.STER.ANG.S
FOR
FOUNDATION BEAM AND PLANT FOR THE MANUFACTURE THEREOF
Abstract of the Disclosure A foundation beam intended to constitute a re-maining form or shuttering and edge boundary for a house foundation. The foundation beam is of L-shaped cross-section and along its length it has equidistant recesses which are provided with fastening means for retaining re-inforcement irons fitted in the foundation cast in situ.
A plant is also provided for making said foundation beam and this consists of an upwardly open form provided with preferably movable side form parts and a stationary inner form part, whereby two foundation beams turned upside down can be manufactured by pairs at the same time.
Description
ANKARSW~DSHUS A8 V~STERAS
,,-"Foundation beam and plant for the manufacture thereof"
- The present invention relates, on one hand, to a foundation beam intended to constitute a remaining form or shuttering and edge boundary for a house foundation and, ,'.'1 ~', on the other hand, to a plant for the manufacturP thereof.
. For producing a form for the concrete in house .~ foundations use is made of bricked edge beams. This pro- :
` cess, however, is both time-wasting and expensive.
;: An object o~ the present invention is to provide a foundation beam for house foundations by means of which ~
10 the making of the house foundation will be simplified and ; ~.
less expensive and take less time.
This object is achieved according to this inven-tion wherein the f~undation beam comprises a ~-shaped, elongated body the horizontal branch of which is adapted to rest against a levelled underlayer and to be covered with in situ concrete being poured on i~, and~wherein the PR/gut -2- ~ ;
~ 5~
oundation beam at its sides ~acing the space for the in situ concrete is provided with e~uidistant fastening means which are countersunk in recesses and by means of which the foundation beam can be tied to the reinforcement in the in situ concrete, Another object of the present invention is to provide a plant for the manufacture of the foun~ation beam.
This object is achieved according to the present invention wherein the plant comprises an upwardly open form consistin~ of a stationary part defining the inner 10 sides of the foundation beam and a preferably movable part forming one outer side of the foundation beam, and a carriage which is movable along the form and has a con-tainer for filling of concrete and means for striking off ; and screeding of the concrete and at least one vibrator 15 accompanying said carriage for compacting concrete cast in the form.
The invention will be described in greater detail hereinafter with reference to the accompanying drawings which show preferred embodiments and in which:
Fig. 1 is a perspective ~iew of a foundation beam element according to the present invention;
Fi~. 2 is a perspective VieW of a foundation beam corner element according to the present inVention;
Fig. 3 is a cross-sectional view of a house founda-tion with the foundation beam of the invention in mounted condition;
Fig. 4 is a plan view of a plant for the manufac-ture of foundation beam corner elements;
~; . r ~ 3 ~ ~;
, .. - ~
- ,, ~' .
~s~
Fig. 5 is a perspective ~iew o~ a plant for the manufacture of straight foundation ~eams; and Fig. 6 is a perspective, partly sectional, en- -larged detail view of part of the plant of Fig. 5.
Fig. 1 shows a foundation beam 1, preferably of concrete, according to the present invention, which is of generally L-shaped cross-section and has elongated re-cesses 2 positioned a~ equal distances from each other on the inner sides of the beam. ~einforcement rods 3 are cast into the foundation beam in such a way that they will cross the recesses 2. These recesses 2 and reinforcement rods 3 serve as fastening means for the reinforcement 4 (see Fig. 31 which is included in the foundation body cast in sltu. The reinforcement rods 4 also serve as ` 15 i-astenin~ means ~or lifting hooks for the transport and ~ storage of the foundation beams.
- Fig. 2 illustrates a corner element 5 made in ;~
accordance with the present invention. A method of making cornex elements will be described below, ;~ 20 When making a ~oundation by means of foundation beams according to this invention the beams are placed end to end to constitute a form framework for concrete.
As shown ln Flg. 3 the foundation beam is placed with ltS ~;
inner sides~ provided wlth the recesses 2, facing inward-ly towards the foundation. The bent end portions 6 of the rein~orcement 4 are clamped in the recesses 2 around the rods 3 crossin~ said recesses. The reinforcement 4 is tied to reinforcing nettings 7 extending over the i~
~ entire foundation.
; 4 ~.,.~ . . .. . . . . ...
- The length of the horizontal branch of the foundation beam 1 is adjusted to the length of the vertical branch so that the pressure from the in situ concrete for the foundation, exerted on the insi~e of the vertical branch, cannot overturn the foundation beam or cause it to slide out of position.
In addition to being provided with the reinforcing nettings 7 and the reinforcement 4 the beam is reinforced in a per se known manner. ThP foundation beam may also 1~ be provided with a transverse reinforcement 8 which, ; together with the rods 3 extending in the longitudinal direction of the foundation beam, imparts high strength to the beam. For this purpose preferably prefabricated reinforcement nettings are used.
Figs 4, 5 and 6 show plants for the manufacture of the foundation beam 1 and the corner element 5.
In order to make it possible to compete economical-ly with the prior ar~ methods of making house foundations it must be possible to make this foundation beam by means of a rational and profitable method. With the present in-vention the foundation beam can be manufactured on linexs, whereby it is possible to attain a manufacturing capacity of about 300 linear metre foundation beam per hour.
Each liner consists of a stationary elongated table form 9 which constitutes the inner form for the foundation beam and, on either side of the liner, pivotal-, ly mounted side form parts 11 which constitute the outer '.'! form.
~r As the disposition of the table form 9 and the ,'''`" - ,~ ; :
:
rods 3, 8 bears a relation to the caSting operation, this part of the workin~ mo~ents will be decisive for the capacity.
Pre~abricated reinforcing nettin~s, i.e. nettings bent and cut to standard lengths ad~usted to the beams, is one o~ the conditions for a rational manufacture of foundation ~eams according to the present invention. Such reinforcement nettin~s are suitably ordered ready-made from the f~ctory.
Mounting of chairs is preferably carried out in connection with the layin~ of the nettingsO Alternatively, the chairs may be mounted at the factory in connection with the prefabrication of the nettings.
For locking and tying the side form parts 11 use is made of braces 12 provided with a sleeve at the lower end 13 and a lock pin with a nut at the upper end 14. The side form parts 11 are pivotally mounted by means of hin~es 15. When casting is finished the braces 12 are removed, whereupon the side form parts 11 can be swung out-wardly-downwardly in the direction of the arrows 16~ At ; the upper end 14, provided with lock pin and nut, there is a trimming allowance because the hrace is ~ork-shaped at that end.
Rails 17 are arranged on either side of the liners and are designed to support a carriage 18 which is movable along the liners and on which there are provided containers 19 ~or concrete and a control table 2Q. Concrete is filled into the upwardl~ open forms when the carria~e 18 is con-veyed longitudinally of the liners in the direction of the . :~ , : :. , ,, , . . .
" : , : - , :
- . ~ .: : , : ,:
, :, ~- . ~ ~.,, - .: , arrow 21. The rear part o~ the carriage is provided with a M-shaped striker means 22 with a vibrator provided thereon. Owing to the angled plough-shape of the striker means 22 the main part of the concrete is carried out-wardly towards the vertical form compartments constitutingthe vertical part of the foundation beam. Another vibrator 23 is movably arranged on a slide table 24 within the table form 9. The slide table is movable on guiding means 25 along the liners and is adapted to follow the carriage 18 during the movement thereof. The vibrator 23 vibrates both side forms at a time. The carriage is self-propelling and moves at a speed which has a relation to the output.
An amount of concrete of about 42 litres i5 calculated to ~ be consumed for one linear metre beam. Consequently, by - 15 interconnecting three concrete containers 19 side by side, ; one container over each liner, as shown in Fig. 5, it is possible to cast six foundation beams at a time.
- The construction of the liners is such that the `
` beams are manufactured upside down and in pairs on either long side of the liners, and the pair of beams is separated by bulkheads 10. The side form parts 11, which are divided up into sections adapted to standard lengths of the beams, meet at bulkheads arranged in the forms. In this way there will be no visible form joints in the beams. The bulkheads are so conceived that the angular beam side, which is about 35 c~ wide, will be 0-S mm shorter in length than the up right side. This arrang~ment is to permit the beams al-ways to fit tight against each other on the outside during the mounting operation. 3 .; ~.
~ -~' ~ .' ' .
To obtain recesses on the insides of the beam there are proiecttons which may be rigid and have notches for the rod 3 extending t~rough the slot. The rigid pro-jections m~ be moved through holes in the table form 5 wall, e.g. by means o~ an eccenter mechanism. Altexnative-ly, the projections may be flexible and consist of air cushions of elastic material which are blown up with com-pressed air during casting, The projections are removed aftex 4 - 5 hours after casting and the foundation beams 10 can be lifted without hindrance from the table form after about 15 hours for further transport to the storage station.
The storage o~ finished beams is effected in a ~; simple way because they can be nested înto each other against stringers.
i 15 The filling o~ the concrete container 19 can take place either by means of a concrete pump or from a large concrete bin which is lifted up by means of a travelling ~;
crane from a mixing station which should be situated at `~ the middle of the liners but outside these.
The casting of concrete can then take place more or less fully automatically. By extending the liners and increasing the number o~ groups one can attain a practical-1~ unlimited capacity ~y using this method.
To cover the majority of designs and sizes of house 25 foundations, the foundation beam is manufactured in four ~;
standaFd lengths, viz. 2, 3, 4 and 5 metres. These measures are adjusted by means of the bulkheads along the liners.
This order of dimensions of the foundation beam penmits mounting of a beam directly on a compacted and levelled bed - . . , ' ~ . . ' 5q~
of gravel by means of a small cXane.
In order to dispense with gauge blocks the len~th of the corner elements 5 has been made flexible. The long side an~ the end wall side of the corner elements never exceed 1 m and never are less than 0.3$ m. Thus, practically all existing foundation sizes will be covered thereby.
As appears from ~ig. 4 the corner elements are made on a square table form 26, where the dimensions of the corner elements are defined by means of movable bulkheads 27~
With this manufacturing process the foundation beam will be given a finished outside and the beam serves as a form ~or the casting of the house foundation. It can be used for houses with or without basements and also ; in those cases where additional reinforcement of the ` foundation is prescribed. A foundation of normal size, e.g. for a detached house, can be mounted in less than ; an hour by means of foundation beams according to this ` ~ 20 inVention.
Of course the foundation beam complies with all re~uirements prescribed by Swedish building regulations.
The foundation beam and the plant for the manufac-ture thereof can of course be modifiea within the scope of the appendant claims and are not restricted to the embodiment described above. 1' ..... ., ;
`` 1 : ~ _ 9 _ ,.' ` '~i , , .: . . ~ . - - -- : ~ : -- , : - : ,.. . .
. .:
,,-"Foundation beam and plant for the manufacture thereof"
- The present invention relates, on one hand, to a foundation beam intended to constitute a remaining form or shuttering and edge boundary for a house foundation and, ,'.'1 ~', on the other hand, to a plant for the manufacturP thereof.
. For producing a form for the concrete in house .~ foundations use is made of bricked edge beams. This pro- :
` cess, however, is both time-wasting and expensive.
;: An object o~ the present invention is to provide a foundation beam for house foundations by means of which ~
10 the making of the house foundation will be simplified and ; ~.
less expensive and take less time.
This object is achieved according to this inven-tion wherein the f~undation beam comprises a ~-shaped, elongated body the horizontal branch of which is adapted to rest against a levelled underlayer and to be covered with in situ concrete being poured on i~, and~wherein the PR/gut -2- ~ ;
~ 5~
oundation beam at its sides ~acing the space for the in situ concrete is provided with e~uidistant fastening means which are countersunk in recesses and by means of which the foundation beam can be tied to the reinforcement in the in situ concrete, Another object of the present invention is to provide a plant for the manufacture of the foun~ation beam.
This object is achieved according to the present invention wherein the plant comprises an upwardly open form consistin~ of a stationary part defining the inner 10 sides of the foundation beam and a preferably movable part forming one outer side of the foundation beam, and a carriage which is movable along the form and has a con-tainer for filling of concrete and means for striking off ; and screeding of the concrete and at least one vibrator 15 accompanying said carriage for compacting concrete cast in the form.
The invention will be described in greater detail hereinafter with reference to the accompanying drawings which show preferred embodiments and in which:
Fig. 1 is a perspective ~iew of a foundation beam element according to the present invention;
Fi~. 2 is a perspective VieW of a foundation beam corner element according to the present inVention;
Fig. 3 is a cross-sectional view of a house founda-tion with the foundation beam of the invention in mounted condition;
Fig. 4 is a plan view of a plant for the manufac-ture of foundation beam corner elements;
~; . r ~ 3 ~ ~;
, .. - ~
- ,, ~' .
~s~
Fig. 5 is a perspective ~iew o~ a plant for the manufacture of straight foundation ~eams; and Fig. 6 is a perspective, partly sectional, en- -larged detail view of part of the plant of Fig. 5.
Fig. 1 shows a foundation beam 1, preferably of concrete, according to the present invention, which is of generally L-shaped cross-section and has elongated re-cesses 2 positioned a~ equal distances from each other on the inner sides of the beam. ~einforcement rods 3 are cast into the foundation beam in such a way that they will cross the recesses 2. These recesses 2 and reinforcement rods 3 serve as fastening means for the reinforcement 4 (see Fig. 31 which is included in the foundation body cast in sltu. The reinforcement rods 4 also serve as ` 15 i-astenin~ means ~or lifting hooks for the transport and ~ storage of the foundation beams.
- Fig. 2 illustrates a corner element 5 made in ;~
accordance with the present invention. A method of making cornex elements will be described below, ;~ 20 When making a ~oundation by means of foundation beams according to this invention the beams are placed end to end to constitute a form framework for concrete.
As shown ln Flg. 3 the foundation beam is placed with ltS ~;
inner sides~ provided wlth the recesses 2, facing inward-ly towards the foundation. The bent end portions 6 of the rein~orcement 4 are clamped in the recesses 2 around the rods 3 crossin~ said recesses. The reinforcement 4 is tied to reinforcing nettings 7 extending over the i~
~ entire foundation.
; 4 ~.,.~ . . .. . . . . ...
- The length of the horizontal branch of the foundation beam 1 is adjusted to the length of the vertical branch so that the pressure from the in situ concrete for the foundation, exerted on the insi~e of the vertical branch, cannot overturn the foundation beam or cause it to slide out of position.
In addition to being provided with the reinforcing nettings 7 and the reinforcement 4 the beam is reinforced in a per se known manner. ThP foundation beam may also 1~ be provided with a transverse reinforcement 8 which, ; together with the rods 3 extending in the longitudinal direction of the foundation beam, imparts high strength to the beam. For this purpose preferably prefabricated reinforcement nettings are used.
Figs 4, 5 and 6 show plants for the manufacture of the foundation beam 1 and the corner element 5.
In order to make it possible to compete economical-ly with the prior ar~ methods of making house foundations it must be possible to make this foundation beam by means of a rational and profitable method. With the present in-vention the foundation beam can be manufactured on linexs, whereby it is possible to attain a manufacturing capacity of about 300 linear metre foundation beam per hour.
Each liner consists of a stationary elongated table form 9 which constitutes the inner form for the foundation beam and, on either side of the liner, pivotal-, ly mounted side form parts 11 which constitute the outer '.'! form.
~r As the disposition of the table form 9 and the ,'''`" - ,~ ; :
:
rods 3, 8 bears a relation to the caSting operation, this part of the workin~ mo~ents will be decisive for the capacity.
Pre~abricated reinforcing nettin~s, i.e. nettings bent and cut to standard lengths ad~usted to the beams, is one o~ the conditions for a rational manufacture of foundation ~eams according to the present invention. Such reinforcement nettin~s are suitably ordered ready-made from the f~ctory.
Mounting of chairs is preferably carried out in connection with the layin~ of the nettingsO Alternatively, the chairs may be mounted at the factory in connection with the prefabrication of the nettings.
For locking and tying the side form parts 11 use is made of braces 12 provided with a sleeve at the lower end 13 and a lock pin with a nut at the upper end 14. The side form parts 11 are pivotally mounted by means of hin~es 15. When casting is finished the braces 12 are removed, whereupon the side form parts 11 can be swung out-wardly-downwardly in the direction of the arrows 16~ At ; the upper end 14, provided with lock pin and nut, there is a trimming allowance because the hrace is ~ork-shaped at that end.
Rails 17 are arranged on either side of the liners and are designed to support a carriage 18 which is movable along the liners and on which there are provided containers 19 ~or concrete and a control table 2Q. Concrete is filled into the upwardl~ open forms when the carria~e 18 is con-veyed longitudinally of the liners in the direction of the . :~ , : :. , ,, , . . .
" : , : - , :
- . ~ .: : , : ,:
, :, ~- . ~ ~.,, - .: , arrow 21. The rear part o~ the carriage is provided with a M-shaped striker means 22 with a vibrator provided thereon. Owing to the angled plough-shape of the striker means 22 the main part of the concrete is carried out-wardly towards the vertical form compartments constitutingthe vertical part of the foundation beam. Another vibrator 23 is movably arranged on a slide table 24 within the table form 9. The slide table is movable on guiding means 25 along the liners and is adapted to follow the carriage 18 during the movement thereof. The vibrator 23 vibrates both side forms at a time. The carriage is self-propelling and moves at a speed which has a relation to the output.
An amount of concrete of about 42 litres i5 calculated to ~ be consumed for one linear metre beam. Consequently, by - 15 interconnecting three concrete containers 19 side by side, ; one container over each liner, as shown in Fig. 5, it is possible to cast six foundation beams at a time.
- The construction of the liners is such that the `
` beams are manufactured upside down and in pairs on either long side of the liners, and the pair of beams is separated by bulkheads 10. The side form parts 11, which are divided up into sections adapted to standard lengths of the beams, meet at bulkheads arranged in the forms. In this way there will be no visible form joints in the beams. The bulkheads are so conceived that the angular beam side, which is about 35 c~ wide, will be 0-S mm shorter in length than the up right side. This arrang~ment is to permit the beams al-ways to fit tight against each other on the outside during the mounting operation. 3 .; ~.
~ -~' ~ .' ' .
To obtain recesses on the insides of the beam there are proiecttons which may be rigid and have notches for the rod 3 extending t~rough the slot. The rigid pro-jections m~ be moved through holes in the table form 5 wall, e.g. by means o~ an eccenter mechanism. Altexnative-ly, the projections may be flexible and consist of air cushions of elastic material which are blown up with com-pressed air during casting, The projections are removed aftex 4 - 5 hours after casting and the foundation beams 10 can be lifted without hindrance from the table form after about 15 hours for further transport to the storage station.
The storage o~ finished beams is effected in a ~; simple way because they can be nested înto each other against stringers.
i 15 The filling o~ the concrete container 19 can take place either by means of a concrete pump or from a large concrete bin which is lifted up by means of a travelling ~;
crane from a mixing station which should be situated at `~ the middle of the liners but outside these.
The casting of concrete can then take place more or less fully automatically. By extending the liners and increasing the number o~ groups one can attain a practical-1~ unlimited capacity ~y using this method.
To cover the majority of designs and sizes of house 25 foundations, the foundation beam is manufactured in four ~;
standaFd lengths, viz. 2, 3, 4 and 5 metres. These measures are adjusted by means of the bulkheads along the liners.
This order of dimensions of the foundation beam penmits mounting of a beam directly on a compacted and levelled bed - . . , ' ~ . . ' 5q~
of gravel by means of a small cXane.
In order to dispense with gauge blocks the len~th of the corner elements 5 has been made flexible. The long side an~ the end wall side of the corner elements never exceed 1 m and never are less than 0.3$ m. Thus, practically all existing foundation sizes will be covered thereby.
As appears from ~ig. 4 the corner elements are made on a square table form 26, where the dimensions of the corner elements are defined by means of movable bulkheads 27~
With this manufacturing process the foundation beam will be given a finished outside and the beam serves as a form ~or the casting of the house foundation. It can be used for houses with or without basements and also ; in those cases where additional reinforcement of the ` foundation is prescribed. A foundation of normal size, e.g. for a detached house, can be mounted in less than ; an hour by means of foundation beams according to this ` ~ 20 inVention.
Of course the foundation beam complies with all re~uirements prescribed by Swedish building regulations.
The foundation beam and the plant for the manufac-ture thereof can of course be modifiea within the scope of the appendant claims and are not restricted to the embodiment described above. 1' ..... ., ;
`` 1 : ~ _ 9 _ ,.' ` '~i , , .: . . ~ . - - -- : ~ : -- , : - : ,.. . .
. .:
Claims (5)
1. Foundation beam intended to constitute a remaining form or shuttering and edge boundary for a house foundation, wherein the foundation beam comprises a L-shaped, elongated body (1) the horizontal branch of which is adapted to rest against a levelled underlayer and to be covered with in situ concrete being poured on it, and wherein the foundation beam at its sides facing the space for the in situ concrete is provided with equidistant fastening means (3) which are countersunk in recesses (2) and by means of which the foundation beam can be tied to the reinforcement (4) in the in situ concrete.
2. Foundation beam as claimed in claim 1, wherein the fastening means (3) consist of those portions of a re-inforcement netting (7), cast into the foundation beam, which are uncovered through the recesses.
3. A method of manufacture of a foundation beam having an L-shaped elongated body, comprising placing concrete in an open form having a stationary part (9) which defines the inner side, and a movable part (11) which defines one outer side, of the foundation beam being formed;
moving a carriage (18) along the form as concrete is placed therein; and striking off and screeding the concrete using a striker member (22) moveable with said carriage;
and vibrating the poured concrete using a vibrator moveable with said carriage, for compacting the concrete in place in said form.
moving a carriage (18) along the form as concrete is placed therein; and striking off and screeding the concrete using a striker member (22) moveable with said carriage;
and vibrating the poured concrete using a vibrator moveable with said carriage, for compacting the concrete in place in said form.
4. The method of Claim 3, where recesses are formed in the fact of said foundation beam next adjacent said stationary part by moving projection means through said stationary part into the concrete in place in said form.
5. The method of Claim 3, where recesses are formed in the face of said foundation beam next adjacent said stationary part by pressurizing expandable cushions of an elastic material located on said stationary part so that said cushions extend into the concrete in place in said form.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7808678-2 | 1978-08-16 | ||
| SE7808678A SE7808678L (en) | 1978-08-16 | 1978-08-16 | BASIS AND APPARATUS FOR ITS MANUFACTURING |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1115082A true CA1115082A (en) | 1981-12-29 |
Family
ID=20335598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA333,541A Expired CA1115082A (en) | 1978-08-16 | 1979-08-10 | Foundation beam and plant for the manufacture thereof |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1115082A (en) |
| DE (1) | DE2931462A1 (en) |
| GB (1) | GB2028906B (en) |
| SE (1) | SE7808678L (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT369464B (en) * | 1981-02-19 | 1983-01-10 | Schreier Hannes Dipl Ing | FOUNDATION FOR PARTICULARLY ONE-STOREY, NOT BASED CONSTRUCTIONS |
| DE4422442A1 (en) * | 1994-06-29 | 1996-01-11 | Reymann & Schwoerer Gmbh & Co | Auxiliary device for the production of formwork parts |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7330081U (en) * | 1973-11-22 | Gutberlet H | Trogstein | |
| GB1038881A (en) * | 1962-02-05 | 1966-08-10 | Mil Wis Engineering Inc | Improved method of preparing a concrete structure |
| GB1238012A (en) * | 1967-06-09 | 1971-07-07 | ||
| DE2114456A1 (en) * | 1971-03-25 | 1972-10-12 | Silberkuhl, Wilhelm Johannes, Dipl Ing, 4300 Essen | Method and device for the manufacture of prefabricated reinforced concrete flat structures |
-
1978
- 1978-08-16 SE SE7808678A patent/SE7808678L/en unknown
-
1979
- 1979-08-02 GB GB7926979A patent/GB2028906B/en not_active Expired
- 1979-08-02 DE DE19792931462 patent/DE2931462A1/en active Granted
- 1979-08-10 CA CA333,541A patent/CA1115082A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7808678L (en) | 1980-02-17 |
| DE2931462A1 (en) | 1980-02-28 |
| GB2028906B (en) | 1983-02-16 |
| GB2028906A (en) | 1980-03-12 |
| DE2931462C2 (en) | 1990-09-27 |
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