GB1383556A – Heat-recoverable articles
– Google Patents
GB1383556A – Heat-recoverable articles
– Google Patents
Heat-recoverable articles
Info
Publication number
GB1383556A
GB1383556A
GB1480672A
GB1480672A
GB1383556A
GB 1383556 A
GB1383556 A
GB 1383556A
GB 1480672 A
GB1480672 A
GB 1480672A
GB 1480672 A
GB1480672 A
GB 1480672A
GB 1383556 A
GB1383556 A
GB 1383556A
Authority
GB
United Kingdom
Prior art keywords
region
heat
orientation
recoverable
film
Prior art date
1971-04-02
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
Application number
GB1480672A
Inventor
J Evans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raychem Corp
Original Assignee
Raychem Corp
Priority date (The priority date 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 date listed.)
1971-04-02
Filing date
1972-03-29
Publication date
1974-02-12
1972-03-29
Application filed by Raychem Corp
filed
Critical
Raychem Corp
1974-02-12
Publication of GB1383556A
publication
Critical
patent/GB1383556A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
F16L47/22—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics using shrink-down material
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
B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
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
B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
B29C61/06—Making preforms having internal stresses, e.g. plastic memory
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
B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
B29C61/06—Making preforms having internal stresses, e.g. plastic memory
B29C61/10—Making preforms having internal stresses, e.g. plastic memory by bending plates or sheets
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D7/00—Producing flat articles, e.g. films or sheets
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
Y10S174/00—Electricity: conductors and insulators
Y10S174/08—Shrinkable tubes
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
Y10S428/00—Stock material or miscellaneous articles
Y10S428/91—Product with molecular orientation
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
Y10S428/00—Stock material or miscellaneous articles
Y10S428/913—Material designed to be responsive to temperature, light, moisture
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
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
Y10T428/1331—Single layer [continuous layer]
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
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
Y10T428/1397—Single layer [continuous layer]
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
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
Y10T428/2419—Fold at edge
Y10T428/24264—Particular fold structure [e.g., beveled, etc.]
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
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
Y10T428/24628—Nonplanar uniform thickness material
Abstract
1383556 Heat-recoverable articles RAYCHEM CORP 29 March 1972 [2 April 1971] 14806/72 Heading B5B [Also in Divisions F2 and H2] A unitary article of polymeric material has two opposite surfaces which are heat recoverable to different extents at a given temperature, the degree or recoverability decreasing with the distance from the surface region comprising the more heat recoverable material so that the film is involutely heat-recoverable, i.e. assumes, on heating, a generally cylindrical configuration with partial overlapping of the opposite surfaces, leading to the formation of a closed spiral. Thus, a film, e.g. of polyethylene or an ethyleneethyl acrylate copolymer may be uniaxially longitudinally oriented and then differentially annealed to provide an orientation gradient, with a region of high orientation adjacent surface 11 and of low orientation adjacent surface 12. The film is then cross-linked in known manner. On heating, the region of high orientation tends to recover and that of low orientation to restrain recovery so that involute recovery takes place, as shown in Fig. 2. A closure device may be made by differentially annealing a molecularly oriented polymeric member 17 at its edge portions 18 and 19 so that edge portion 18 has a region of high orientation above a region of low orientation; vice versa for portion 19. The annealed member is then cross-linked. When the article so made is heated it assumes the shapes of an elongated S (Fig. 5, not shown), and if the arcuate edge portions are interlocked as shown in Fig. 6 and heated further, involute recovery occurs to give an interspiralling separation-resistant seam as shown in Fig. 7; further heating results in radial shrinkage (Fig. 8, not shown).
GB1480672A
1971-04-02
1972-03-29
Heat-recoverable articles
Expired
GB1383556A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US00130730A
US3847721A
(en)
1971-04-02
1971-04-02
Heat recoverable articles and methods therefor
Publications (1)
Publication Number
Publication Date
GB1383556A
true
GB1383556A
(en)
1974-02-12
Family
ID=22446050
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1480672A
Expired
GB1383556A
(en)
1971-04-02
1972-03-29
Heat-recoverable articles
Country Status (10)
Country
Link
US
(1)
US3847721A
(en)
BE
(1)
BE781548A
(en)
CA
(1)
CA1017116A
(en)
CH
(1)
CH557236A
(en)
DE
(1)
DE2216159C2
(en)
FR
(1)
FR2132399B1
(en)
GB
(1)
GB1383556A
(en)
IT
(1)
IT950933B
(en)
NL
(1)
NL7204386A
(en)
ZA
(1)
ZA721990B
(en)
Cited By (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2133639A
(en)
*
1983-01-06
1984-07-25
Raychem Ltd
Recoverable article
WO1984003872A1
(en)
*
1983-04-06
1984-10-11
Scan Coin Ab
A method in packaging coins and a film of plastic material for practising the method
GB2160281A
(en)
*
1984-05-25
1985-12-18
Brooklyn Union Gas Co
Pipe connection/repair device
DE10334865B4
(en)
*
2002-07-30
2011-06-09
Ke-Kelit Kunststoffwerk Gmbh
Method for producing a heat-insulating tube
US8916647B2
(en)
2008-07-15
2014-12-23
Dow Global Technologies Llc
Crosslinked films and articles prepared from the same
Families Citing this family (26)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3946905A
(en)
*
1974-03-21
1976-03-30
W. R. Grace & Co.
Collapsible plastic tubes
GB1550816A
(en)
*
1975-04-22
1979-08-22
Raychem Sa Nv
Heatrecoverable article
US4332655A
(en)
*
1975-04-15
1982-06-01
Raychem Corporation
Adhesive compositions comprising ethylene/polar monomer copolymer and an elastomer
DE7612791U1
(en)
*
1975-04-22
1976-12-16
N.V. Raychem S.A., Kessel-Lo, Leuven (Belgien)
Heat-restoring wrap-around sleeve for sealing cables, pipelines, etc.
GB1561125A
(en)
*
1975-08-04
1980-02-13
Raychem Sa Nv
Heat recoverable article
FR2415474A2
(en)
*
1978-01-25
1979-08-24
Delhome Rene
Flexible foam toys with limbs tensioned by an elastic laminate – to avoid use of metal levers or springs internally
US4339551A
(en)
*
1980-04-10
1982-07-13
Owens-Illinois, Inc.
Thermoplastic resin foam sheet having improved heat shrink capability and the method for its production
DE3026095A1
(en)
*
1980-07-10
1982-02-04
Hoechst Ag, 6000 Frankfurt
Curlable, smooth, drawn polyethylene terephthalate! film – has areas with varying shrinkability esp. used as protective sheathing for electric cable
US4444816A
(en)
*
1980-12-03
1984-04-24
Raychem Corporation
Radiation cross-linking of polyamides
US4517234A
(en)
*
1981-05-18
1985-05-14
Amp Incorporated
Heat recoverable sleeve forming wrap
US4384906A
(en)
*
1981-09-09
1983-05-24
Raychem Corporation
Flat sheet closure and method
CA1179211A
(en)
*
1982-11-12
1984-12-11
Dilip K. Tailor
Heat shrinkable covering and method for applying same
JPS59192535A
(en)
*
1983-04-18
1984-10-31
Fuji Photo Film Co Ltd
Manufacture of light collecting body
US4511630A
(en)
*
1984-02-17
1985-04-16
Tibor Kalman
Method for sculpting paperweight of attractive appearance
US4731273A
(en)
*
1985-07-08
1988-03-15
Minnesota Mining And Manufacturing Company
Heat-recoverable closure with crosslinked pressure-sensitive adhesive
DE3527633A1
(en)
*
1985-08-01
1987-02-05
Rose Walter Gmbh & Co Kg
Moulding recovering shape whilst maintaining its spatial extent
DE3612518A1
(en)
*
1986-04-14
1987-10-15
Rxs Schrumpftech Garnituren
METHOD FOR PRODUCING A PLASTIC PART WITH MOLDED MEMORY, AND DEVICE FOR CARRYING OUT THIS METHOD, AND PLASTIC PARTS MANUFACTURED BY THIS METHOD
US5360584A
(en)
*
1986-06-23
1994-11-01
Raychem Corporation
Method of forming a wrap-around heat-recoverable article
US4990298A
(en)
*
1986-06-30
1991-02-05
Richard Young
Method of forming a wrap around heat shrinkable closure with flexible extension
US4802509A
(en)
*
1987-12-15
1989-02-07
Brandolf Henry E
Wraparound closure for conduit protection
US5324564A
(en)
*
1988-03-29
1994-06-28
Raychem Corporation
Wrap-around heat-recoverable sealing article
IL89671A0
(en)
*
1988-03-29
1989-09-28
Raychem Corp
Heat-recoverable article and method for enclosing and sealing a substrate
DE29515112U1
(en)
*
1995-09-21
1995-11-30
Alcatel Kabel Ag
Arrangement for tightly enclosing a substrate
US5958529A
(en)
*
1996-11-20
1999-09-28
Raychem Corporation
Side entry sealing device
US5800762A
(en)
*
1996-12-06
1998-09-01
Bethel; Eunice A.
Process for decorating electrical cords
US9594226B2
(en)
2013-10-18
2017-03-14
Corning Optical Communications LLC
Optical fiber cable with reinforcement
Family Cites Families (16)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US229532A
(en)
*
1880-07-06
Geobge hip well
US2782805A
(en)
*
1952-11-24
1957-02-26
Gilbert E Leadbetter
Conduit and method of making same
US3000057A
(en)
*
1957-05-10
1961-09-19
Swedlow
Method for the manufacture of threedimensional objects by selectively heating plastic sheets possessing elastic memory
NL130678C
(en)
*
1960-07-15
1900-01-01
US3223764A
(en)
*
1961-11-28
1965-12-14
Nat Distillers Chem Corp
Process for production of biaxially oriented polypropylene film
US3239125A
(en)
*
1963-12-20
1966-03-08
Raychem Corp
Solder ring
JPS4842715B1
(en)
*
1964-09-22
1973-12-14
US3455336A
(en)
*
1965-11-03
1969-07-15
Raychem Corp
Heat recoverable article and process
US3433688A
(en)
*
1966-02-07
1969-03-18
Gen Binding Corp
Method of binding a plurality of sheets
US3455337A
(en)
*
1966-10-31
1969-07-15
Raychem Corp
Irradiated article
US3483285A
(en)
*
1967-01-06
1969-12-09
Potter Instrument Co Inc
Clamping device and method
US3445898A
(en)
*
1967-10-19
1969-05-27
Raychem Corp
Heat shrinkable cable clamp
US3526683A
(en)
*
1968-03-22
1970-09-01
Raychem Corp
Method for dual crosslinking
US3542077A
(en)
*
1968-05-22
1970-11-24
Raychem Corp
Differentially cross-linked article and process for making the same
US3574313A
(en)
*
1968-10-30
1971-04-13
Raychem Corp
Wraparound closure sleeve
US3632726A
(en)
*
1969-04-14
1972-01-04
Du Pont
Apparatus for and method of making dimensionally stable flat plastic film and the film made thereby
1971
1971-04-02
US
US00130730A
patent/US3847721A/en
not_active
Expired – Lifetime
1972
1972-03-23
ZA
ZA721990A
patent/ZA721990B/en
unknown
1972-03-29
GB
GB1480672A
patent/GB1383556A/en
not_active
Expired
1972-03-30
CA
CA138,600A
patent/CA1017116A/en
not_active
Expired
1972-03-30
IT
IT22638/72A
patent/IT950933B/en
active
1972-03-30
NL
NL7204386A
patent/NL7204386A/xx
not_active
Application Discontinuation
1972-03-31
BE
BE781548A
patent/BE781548A/en
not_active
IP Right Cessation
1972-04-04
CH
CH493372A
patent/CH557236A/en
not_active
IP Right Cessation
1972-04-04
DE
DE2216159A
patent/DE2216159C2/en
not_active
Expired
1972-04-04
FR
FR7211747A
patent/FR2132399B1/fr
not_active
Expired
Cited By (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2133639A
(en)
*
1983-01-06
1984-07-25
Raychem Ltd
Recoverable article
GB2173959A
(en)
*
1983-01-06
1986-10-22
Raychem Ltd
Recoverable fabric article
WO1984003872A1
(en)
*
1983-04-06
1984-10-11
Scan Coin Ab
A method in packaging coins and a film of plastic material for practising the method
GB2160281A
(en)
*
1984-05-25
1985-12-18
Brooklyn Union Gas Co
Pipe connection/repair device
GB2198806A
(en)
*
1984-05-25
1988-06-22
Brooklyn Union Gas Co
Connecting or repair device
DE10334865B4
(en)
*
2002-07-30
2011-06-09
Ke-Kelit Kunststoffwerk Gmbh
Method for producing a heat-insulating tube
US8916647B2
(en)
2008-07-15
2014-12-23
Dow Global Technologies Llc
Crosslinked films and articles prepared from the same
Also Published As
Publication number
Publication date
CH557236A
(en)
1974-12-31
IT950933B
(en)
1973-06-20
DE2216159C2
(en)
1984-01-12
NL7204386A
(en)
1972-10-04
FR2132399A1
(en)
1972-11-17
US3847721A
(en)
1974-11-12
ZA721990B
(en)
1972-12-27
BE781548A
(en)
1972-10-02
CA1017116A
(en)
1977-09-13
FR2132399B1
(en)
1975-10-24
DE2216159A1
(en)
1972-10-12
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Legal Events
Date
Code
Title
Description
1975-06-25
PS
Patent sealed [section 19, patents act 1949]
1985-12-04
PCNP
Patent ceased through non-payment of renewal fee
