CA1086696A - Diffusion pumping apparatus - Google Patents

Diffusion pumping apparatus

Info

Publication number: CA1086696A
Authority: CA; Canada
Prior art keywords: pressure; chamber; gas; air; rubber
Prior art date: 1978-05-05
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

CA324,558A

Other languages

English (en)

French (fr)

Inventor

Marion F. Rudy

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.)

Individual

Original Assignee

Individual

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.)

1978-05-05

Filing date

1979-03-30

Publication date

1980-09-30

1979-03-30 Application filed by Individual filed Critical Individual

1980-09-30 Application granted granted Critical

1980-09-30 Publication of CA1086696A publication Critical patent/CA1086696A/en

Status Expired legal-status Critical Current

Links

238000009792 diffusion process Methods 0.000 title claims abstract description 84
238000005086 pumping Methods 0.000 title description 51
239000003570 air Substances 0.000 claims abstract description 103
239000012080 ambient air Substances 0.000 claims abstract description 35
229920002521 macromolecule Polymers 0.000 claims abstract description 8
150000002605 large molecules Chemical class 0.000 claims abstract description 7
239000007789 gas Substances 0.000 claims description 72
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 35
239000013536 elastomeric material Substances 0.000 claims description 24
230000036961 partial effect Effects 0.000 claims description 23
229920001971 elastomer Polymers 0.000 claims description 21
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
239000000463 material Substances 0.000 claims description 20
229910052757 nitrogen Inorganic materials 0.000 claims description 17
239000000203 mixture Substances 0.000 claims description 15
229910018503 SF6 Inorganic materials 0.000 claims description 11
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
239000001301 oxygen Substances 0.000 claims description 11
229910052760 oxygen Inorganic materials 0.000 claims description 11
SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 11
229960000909 sulfur hexafluoride Drugs 0.000 claims description 11
229910052786 argon Inorganic materials 0.000 claims description 10
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 10
WMIYKQLTONQJES-UHFFFAOYSA-N hexafluoroethane Chemical compound FC(F)(F)C(F)(F)F WMIYKQLTONQJES-UHFFFAOYSA-N 0.000 claims description 9
229920002635 polyurethane Polymers 0.000 claims description 9
239000004814 polyurethane Substances 0.000 claims description 9
BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 claims description 7
235000019407 octafluorocyclobutane Nutrition 0.000 claims description 7
230000035699 permeability Effects 0.000 claims description 7
239000004698 Polyethylene Substances 0.000 claims description 6
239000000806 elastomer Substances 0.000 claims description 5
239000004709 Chlorinated polyethylene Substances 0.000 claims description 4
244000043261 Hevea brasiliensis Species 0.000 claims description 4
229920000459 Nitrile rubber Polymers 0.000 claims description 4
239000004341 Octafluorocyclobutane Substances 0.000 claims description 4
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 4
NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 4
MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 4
HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 4
239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 4
229920001684 low density polyethylene Polymers 0.000 claims description 4
239000004702 low-density polyethylene Substances 0.000 claims description 4
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
229920003052 natural elastomer Polymers 0.000 claims description 4
229920001194 natural rubber Polymers 0.000 claims description 4
QYSGYZVSCZSLHT-UHFFFAOYSA-N octafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)F QYSGYZVSCZSLHT-UHFFFAOYSA-N 0.000 claims description 4
229920001084 poly(chloroprene) Polymers 0.000 claims description 4
229920000728 polyester Polymers 0.000 claims description 4
229920001155 polypropylene Polymers 0.000 claims description 4
229920000915 polyvinyl chloride Polymers 0.000 claims description 4
239000004800 polyvinyl chloride Substances 0.000 claims description 4
229920002379 silicone rubber Polymers 0.000 claims description 4
239000004945 silicone rubber Substances 0.000 claims description 4
229920002725 thermoplastic elastomer Polymers 0.000 claims description 4
AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 claims description 3
RJCQBQGAPKAMLL-UHFFFAOYSA-N bromotrifluoromethane Chemical compound FC(F)(F)Br RJCQBQGAPKAMLL-UHFFFAOYSA-N 0.000 claims description 3
UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 3
AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 claims description 3
229920001973 fluoroelastomer Polymers 0.000 claims description 3
229960004692 perflenapent Drugs 0.000 claims description 3
229960004624 perflexane Drugs 0.000 claims description 3
KAVGMUDTWQVPDF-UHFFFAOYSA-N perflubutane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)F KAVGMUDTWQVPDF-UHFFFAOYSA-N 0.000 claims description 3
229950003332 perflubutane Drugs 0.000 claims description 3
ZJIJAJXFLBMLCK-UHFFFAOYSA-N perfluorohexane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ZJIJAJXFLBMLCK-UHFFFAOYSA-N 0.000 claims description 3
NJCBUSHGCBERSK-UHFFFAOYSA-N perfluoropentane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F NJCBUSHGCBERSK-UHFFFAOYSA-N 0.000 claims description 3
229960004065 perflutren Drugs 0.000 claims description 3
229920002681 hypalon Polymers 0.000 claims description 2
LGUZHRODIJCVOC-UHFFFAOYSA-N perfluoroheptane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LGUZHRODIJCVOC-UHFFFAOYSA-N 0.000 claims description 2
LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims 2
-1 fluoroelas-tomer Substances 0.000 claims 1
230000007423 decrease Effects 0.000 abstract description 7
230000002441 reversible effect Effects 0.000 abstract description 5
230000003247 decreasing effect Effects 0.000 abstract description 4
238000000034 method Methods 0.000 description 13
230000004888 barrier function Effects 0.000 description 9
230000001965 increasing effect Effects 0.000 description 9
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
230000009471 action Effects 0.000 description 8
230000007774 longterm Effects 0.000 description 6
239000012298 atmosphere Substances 0.000 description 5
238000004458 analytical method Methods 0.000 description 4
238000013459 approach Methods 0.000 description 4
229910002092 carbon dioxide Inorganic materials 0.000 description 4
239000001569 carbon dioxide Substances 0.000 description 4
230000000694 effects Effects 0.000 description 4
229920000642 polymer Polymers 0.000 description 4
230000002829 reductive effect Effects 0.000 description 4
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
230000008569 process Effects 0.000 description 3
VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 2
JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
208000036366 Sensation of pressure Diseases 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
125000004122 cyclic group Chemical group 0.000 description 2
239000000284 extract Substances 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
238000004949 mass spectrometry Methods 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
238000005381 potential energy Methods 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
238000012360 testing method Methods 0.000 description 2
DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 1
RFCAUADVODFSLZ-UHFFFAOYSA-N 1-Chloro-1,1,2,2,2-pentafluoroethane Chemical compound FC(F)(F)C(F)(F)Cl RFCAUADVODFSLZ-UHFFFAOYSA-N 0.000 description 1
239000004677 Nylon Substances 0.000 description 1
229920005830 Polyurethane Foam Polymers 0.000 description 1
229920001328 Polyvinylidene chloride Polymers 0.000 description 1
230000009102 absorption Effects 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
235000019406 chloropentafluoroethane Nutrition 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000013461 design Methods 0.000 description 1
PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
239000013013 elastic material Substances 0.000 description 1
230000003028 elevating effect Effects 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
239000012528 membrane Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
239000001272 nitrous oxide Substances 0.000 description 1
230000009972 noncorrosive effect Effects 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
229920001778 nylon Polymers 0.000 description 1
238000012354 overpressurization Methods 0.000 description 1
239000005022 packaging material Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920006254 polymer film Polymers 0.000 description 1
239000011496 polyurethane foam Substances 0.000 description 1
239000005033 polyvinylidene chloride Substances 0.000 description 1
230000007425 progressive decline Effects 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
230000035939 shock Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
238000012546 transfer Methods 0.000 description 1
150000003673 urethanes Chemical class 0.000 description 1
229910052724 xenon Inorganic materials 0.000 description 1
FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
- A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/0018—Footwear characterised by the material made at least partially of flexible, bellow-like shaped material
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
- A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/35—Inflatable flexible elements, e.g. bellows
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E04H2015/201—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable tubular framework, with or without tent cover

Landscapes

Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Architecture (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Civil Engineering (AREA)
Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Fluid-Damping Devices (AREA)
Tents Or Canopies (AREA)
Mattresses And Other Support Structures For Chairs And Beds (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Buildings Adapted To Withstand Abnormal External Influences (AREA)

CA324,558A 1978-05-05 1979-03-30 Diffusion pumping apparatus Expired CA1086696A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US90305578A	1978-05-05	1978-05-05
US903,055		1978-05-05

Publications (1)

Publication Number	Publication Date
CA1086696A true CA1086696A (en)	1980-09-30

Family

ID=25416866

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA324,558A Expired CA1086696A (en)	1978-05-05	1979-03-30	Diffusion pumping apparatus

Country Status (10)

Country	Link
JP (1)	JPS5531482A (es)
AU (1)	AU525708B2 (es)
CA (1)	CA1086696A (es)
DE (1)	DE2918096C2 (es)
FR (1)	FR2425007B2 (es)
GB (2)	GB2034169B (es)
IT (1)	IT1116063B (es)
MX (1)	MX150471A (es)
PH (1)	PH20338A (es)
SE (1)	SE445944B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4219945B1 (en) *	1978-06-26	1993-10-19	Robert C. Bogert	Footwear
SE8006128L (sv) *	1980-09-02	1982-03-03	Bertil Frostenson	Forfarande for komprimering av gasformigt medium samt anordning for utforande av forfarandet
GB2200831B (en) *	1987-02-16	1990-11-14	Carlo Zaccaro	Shoes
MY106949A (en) *	1988-02-05	1995-08-30	Rudy Marion F	Pressurizable envelope and method
US5042176A (en) *	1989-01-19	1991-08-27	Robert C. Bogert	Load carrying cushioning device with improved barrier material for control of diffusion pumping
US5595004A (en) *	1994-03-30	1997-01-21	Nike, Inc.	Shoe sole including a peripherally-disposed cushioning bladder
DE19509309A1 (de) *	1995-03-15	1996-09-19	Esn Elastomer Gmbh	Verfahren und Vorrichtung zur Verbesserung der Spieleigenschaften von Tischtennis-Schlägerbelägen
DE19741588C2 (de) *	1997-09-20	2000-05-25	Sunflex Sport Schnellbuegel &	Verfahren und Vorrichtung zur Verzögerung der Ausgasung bei einem frischgeklebten Tischtennisschläger
US7562469B2 (en) *	2003-12-23	2009-07-21	Nike, Inc.	Footwear with fluid-filled bladder and a reinforcing structure
JP4982478B2 (ja)	2005-03-12	2012-07-25	シールドエアコーポレーション（ユーエス）	膨張式容器
KR102217483B1 (ko)	2017-02-27	2021-02-22	나이키 이노베이트 씨.브이.	유체-충진 블래더 챔버들을 포함하는 조절 가능한 발 지지 시스템
CN107289317A (zh) *	2017-08-04	2017-10-24	海南聚能科技创新研究院有限公司	一种可计量贮气装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE235292C (es) *
US3344221A (en) *	1963-08-16	1967-09-26	Du Pont	Method for inflating or deflating closed cell foams
FR1484626A (fr) *	1963-08-16	1967-06-16	Du Pont	Perfectionnements aux structures ultramicrocellulaires et procédé de préparation de telles structures
US3485711A (en) *	1966-06-23	1969-12-23	Du Pont	Low-density web-like cushioning structure of cellular filamentary material
US3491173A (en) *	1967-02-14	1970-01-20	Du Pont	Method for producing a substantially collapsed storage-stable,self-inflatable microcellular structure
US3375212A (en) *	1967-02-14	1968-03-26	Du Pont	Microcellular polymeric structure
IT963742B (it) *	1972-08-04	1974-01-21	Pirelli	Pneumatico di sicurezza provvisto di una struttura gonfiabile auto maticamente al prodursi di fori o lacerazioni nel pneumatico
ZA738777B (en) *	1973-01-18	1974-10-30	Gen Tire & Rubber Co	Tennis ball inflation
GB1539731A (en) *	1975-04-09	1979-01-31	British Petroleum Co	Growth of plants
US4098504A (en) *	1975-10-31	1978-07-04	The General Tire & Rubber Company	Tennis ball
US4183156A (en) *	1977-01-14	1980-01-15	Robert C. Bogert	Insole construction for articles of footwear
JPS5910902B2 (ja) *	1977-10-20	1984-03-12	マリオン・エフ・ルデイ	製品および物体用エラストマ・クッション・デバイス

1979
- 1979-03-22 JP JP3375779A patent/JPS5531482A/ja active Granted
- 1979-03-30 CA CA324,558A patent/CA1086696A/en not_active Expired
- 1979-04-05 SE SE7903039A patent/SE445944B/sv not_active IP Right Cessation
- 1979-04-12 GB GB7935403A patent/GB2034169B/en not_active Expired
- 1979-04-12 GB GB7912998A patent/GB2020409B/en not_active Expired
- 1979-05-03 PH PH22448A patent/PH20338A/en unknown
- 1979-05-03 AU AU46719/79A patent/AU525708B2/en not_active Ceased
- 1979-05-04 IT IT48946/79A patent/IT1116063B/it active
- 1979-05-04 FR FR7911299A patent/FR2425007B2/fr not_active Expired
- 1979-05-04 DE DE2918096A patent/DE2918096C2/de not_active Expired - Lifetime
- 1979-05-07 MX MX177538A patent/MX150471A/es unknown

Also Published As

Publication number	Publication date
GB2034169A (en)	1980-06-04
IT1116063B (it)	1986-02-10
JPS5531482A (en)	1980-03-05
JPS633105B2 (es)	1988-01-21
GB2034169B (en)	1982-08-11
PH20338A (en)	1986-12-04
DE2918096A1 (de)	1979-11-15
FR2425007B2 (fr)	1985-11-15
GB2020409A (en)	1979-11-14
SE445944B (sv)	1986-07-28
AU4671979A (en)	1979-11-08
AU525708B2 (en)	1982-11-25
DE2918096C2 (de)	1994-01-13
IT7948946A0 (it)	1979-05-04
SE7903039L (sv)	1979-11-06
FR2425007A2 (fr)	1979-11-30
MX150471A (es)	1984-05-14
GB2020409B (en)	1983-01-06

Legal Events

Date	Code	Title	Description
1997-09-30	MKEX	Expiry

Publication	Publication Date	Title
US4340626A (en)	1982-07-20	Diffusion pumping apparatus self-inflating device
US4287250A (en)	1981-09-01	Elastomeric cushioning devices for products and objects
CA1086696A (en)	1980-09-30	Diffusion pumping apparatus
US3022810A (en)	1962-02-27	Deflation-proof tires
US6589614B2 (en)	2003-07-08	Cushioning device for an athletic shoe
US4124117A (en)	1978-11-07	Apparatus for repressuring tennis and similar play balls
ATE462393T1 (de)	2010-04-15	Aufblasbare stütze
JPH0524618A (ja)	1993-02-02	ガスの地下貯蔵方法
US20170113156A1 (en)	2017-04-27	Instantaneously Inflating Pool Floats And Toys
JP2009506263A (ja)	2009-02-12	拡張式波力エネルギー変換システム
US11877664B1 (en)	2024-01-23	Dual air chamber structure and method for using
CA1087644A (en)	1980-10-14	Elastomeric cushioning devices for products and objects
EP1006504A2 (en)	2000-06-07	Support structure for advertising
KR820000451B1 (ko)	1982-04-03	확산펌프 작용을 이용한 밀봉물
CN209171879U (zh)	2019-07-30	带充放气装置的气囊
EP0361091A1 (en)	1990-04-04	Aerosol power system
Chang et al.	1993	Expansion of a cavity in a rubber block under unequal stresses
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