SE7413320L - IN ONE PIECE OFF RUBBER HOOK FOR COVERING A HEAT, COOL OR SOUND INSULATION AND PROCEDURE FOR ITS MANUFACTURING - Google Patents
IN ONE PIECE OFF RUBBER HOOK FOR COVERING A HEAT, COOL OR SOUND INSULATION AND PROCEDURE FOR ITS MANUFACTURINGInfo
- Publication number
- SE7413320L SE7413320L SE7413320A SE7413320A SE7413320L SE 7413320 L SE7413320 L SE 7413320L SE 7413320 A SE7413320 A SE 7413320A SE 7413320 A SE7413320 A SE 7413320A SE 7413320 L SE7413320 L SE 7413320L
- Authority
- SE
- Sweden
- Prior art keywords
- bend
- conformation
- shell
- innermost
- pipe
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
- F16L59/11—Rigid covers for elbows
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Thermal Insulation (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
1491041 Sheet forming HOECHST AG 21 Oct 1974 [24 Oct 1973] 45382/74 Heading B5A [Also in Division F2] A one-piece plastics pipe-bend 10<SP>1</SP> in the shape of a portion of a hollow ring is open or overlapping along its innermost arc, the pipe bend 10<SP>1</SP> having been formed by bending from an inherently dimensionally stable shell-type body 10 having no re-entrant curves, the pipe bend 10<SP>1</SP> also being inherently dimensionally stable in its bend conformation. Thus through the forms 10, 10<SP>1</SP> may be interconverted, neither form tends to change shape by itself. The shell-type body 10 is made from plastics film by deepdrawing or by blow moulding, the latter yielding a flask-like structure composed of two bodies 10 joined along edges 28. Sufficient stability is conferred upon the body in the bend state 10<SP>1</SP> by thermal treatment of the material in that conformation. Alternatively, a complete torus may be manufactured and then divided into segments 10<SP>1</SP>, which are opened out and heattreated in the shell-type form 10. To increase stability in the bend state 10<SP>1</SP>, a corrugation 14 may be provided to extend along the outermost arc of the ring in the bend conformation 10<SP>1</SP>, or the body 10 may be formed in such a shape that its corresponding bend state 10<SP>1</SP> has at least the mid-portions of its outermost and innermost arcs on different centres of curvature, preferably such that the radial distance between the arcs is less at the mid-portion of the bend than at the ends. Extended areas 12 of the body 10 provide for overlap along the innermost arc of the bend 10<SP>1</SP> where engaging means such as complementary notches or press studs may be utilized.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2353308A DE2353308C3 (en) | 1973-10-24 | 1973-10-24 | Method for producing a trough-shaped, one-piece plastic film molding for sheathing a pipe elbow insulation |
Publications (3)
Publication Number | Publication Date |
---|---|
SE7413320L true SE7413320L (en) | 1975-04-25 |
SE417453B SE417453B (en) | 1981-03-16 |
SE417453C SE417453C (en) | 1986-04-14 |
Family
ID=5896291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7413320A SE417453C (en) | 1973-10-24 | 1974-10-23 | PROCEDURE FOR THE PREPARATION OF A SHELL-FORMAT IN ONE PIECE OF PLASTIC WRAP FOR COATING A ROD HOOK |
Country Status (24)
Country | Link |
---|---|
JP (1) | JPS5073216A (en) |
AR (1) | AR208295A1 (en) |
AT (1) | AT335242B (en) |
BE (1) | BE821305A (en) |
BR (1) | BR7408839D0 (en) |
CA (1) | CA1028640A (en) |
CH (1) | CH600233A5 (en) |
DD (1) | DD114133A5 (en) |
DE (1) | DE2353308C3 (en) |
DK (1) | DK555774A (en) |
ES (1) | ES450659A1 (en) |
FI (1) | FI61085B (en) |
FR (1) | FR2249281B1 (en) |
GB (1) | GB1491041A (en) |
IE (1) | IE41825B1 (en) |
IL (1) | IL45855A (en) |
IT (1) | IT1032106B (en) |
LU (1) | LU71162A1 (en) |
NL (1) | NL178815C (en) |
NO (1) | NO146650C (en) |
SE (1) | SE417453C (en) |
TR (1) | TR18532A (en) |
YU (1) | YU40254B (en) |
ZA (1) | ZA746721B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATA743077A (en) * | 1977-10-17 | 1980-11-15 | Reist Armin | METHOD AND DEVICE FOR PRODUCING INSULATION FOR A TUBE BOW AGAINST COLD, SOUND AND HEAT |
US4478252A (en) * | 1981-02-05 | 1984-10-23 | Raychem Ltd. | Device for enclosing objects |
JPH01116297U (en) * | 1988-01-29 | 1989-08-04 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1134433A (en) * | 1965-08-23 | 1968-11-20 | Makoto Tomabechi | Method of heat sealing the opening of a bottle |
DK112618B (en) * | 1965-08-26 | 1968-12-30 | F Grabau | Process for the production of curved casings, in particular intended for enclosing insulated pipe bends. |
US3495629A (en) * | 1966-01-27 | 1970-02-17 | Chris J Botsolas | Method and device for covering pipefittings |
BE754960A (en) * | 1969-08-20 | 1971-02-01 | Kaufhold Harald | INSULATED SHEATH FOR TUBES AND SIMILAR |
AT299640B (en) * | 1970-05-06 | 1972-06-26 | Karl Ing Dittrich | Plastic elbows and process for their manufacture |
US4093683A (en) * | 1972-12-05 | 1978-06-06 | Speed-Line Manufacturing Company, Inc. | Method for making pipe fitting coverings |
-
1973
- 1973-10-24 DE DE2353308A patent/DE2353308C3/en not_active Expired
-
1974
- 1974-01-01 AR AR256186A patent/AR208295A1/en active
- 1974-10-15 IL IL45855A patent/IL45855A/en unknown
- 1974-10-16 NL NLAANVRAGE7413602,A patent/NL178815C/en not_active IP Right Cessation
- 1974-10-21 GB GB45382/74A patent/GB1491041A/en not_active Expired
- 1974-10-21 BE BE149732A patent/BE821305A/en not_active IP Right Cessation
- 1974-10-21 AT AT845074A patent/AT335242B/en not_active IP Right Cessation
- 1974-10-21 FR FR7435254A patent/FR2249281B1/fr not_active Expired
- 1974-10-22 DD DD181831A patent/DD114133A5/xx unknown
- 1974-10-22 FI FI3082/74A patent/FI61085B/en active
- 1974-10-22 IE IE2170/74A patent/IE41825B1/en unknown
- 1974-10-22 IT IT53661/74A patent/IT1032106B/en active
- 1974-10-22 LU LU71162A patent/LU71162A1/xx unknown
- 1974-10-23 BR BR8839/74A patent/BR7408839D0/en unknown
- 1974-10-23 SE SE7413320A patent/SE417453C/en not_active IP Right Cessation
- 1974-10-23 CA CA212,102A patent/CA1028640A/en not_active Expired
- 1974-10-23 DK DK555774A patent/DK555774A/da unknown
- 1974-10-23 YU YU2839/74A patent/YU40254B/en unknown
- 1974-10-23 ZA ZA00746721A patent/ZA746721B/en unknown
- 1974-10-23 CH CH1418174A patent/CH600233A5/xx not_active IP Right Cessation
- 1974-10-23 NO NO743814A patent/NO146650C/en unknown
- 1974-10-24 JP JP49122989A patent/JPS5073216A/ja active Pending
- 1974-10-24 TR TR18532A patent/TR18532A/en unknown
-
1976
- 1976-08-12 ES ES450659A patent/ES450659A1/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7413320-8 Effective date: 19941110 Format of ref document f/p: F |